Four foods you probably waste — and how to stop

A few ideas on how to avoid food waste from grist.org

Stone soup

A hungry traveller arrives in a village, and asks the people there if they have any food to share. They all say no. It is an all too common a story.

This particular traveller, however, does not leave the village defeated and hungry. He does not go on to die by the side of the road – though countless others in his situation certainly have. Instead, he fills a pot with water, pulls a stone out of his travel bag and drops it in, and places the pot on the fire. 

One by one, the villagers come to him, and ask him what he is doing. He explains that this is a soup stone, and that he making stone soup, which he would be happy to share – and which would be even better with the addition of some small ingredient. 

The villagers, who not so long ago claimed to have nothing, each add a little something to the stone broth, eventually creating a feast together – one which they share.

In case you never heard it before, the above is a boiled down version of the story of stone soup. I can still remember the first time my mother read it to me. Something about it moved me. The traveller was cunning, and the moral of the story resonated – but more significantly, I was amazed that that’s all there was to soup. I quizzed my mother to make sure I understood properly – that all you had to do to make soup was boil stuff. I was three or four years old, and am quite sure I’d never thought about where soup came from before. Soup, to me, was a rich flavored liquid, origins unknown, that warmed and satisfied on a cold day. And all you had to do to make it was boil stuff. That felt like magic to me.

All these years later, the ability to extract the essence of foods, and to combine them into complex, layered flavors still feels like magic. For years, I started with whole vegetables and chickens, but have had better results lately using food that used to go straight into the compost or garbage.

What I do is this: whenever I peel or chop vegetables or meats, I toss any bits that would usually be destined for the compost or garbage bin into a colander, wash them, then put them in a container in the freezer.  When I want to make stock, I throw the stone-like frozen scraps into water and boil. I made the last batch with corn cobs, chicken wing tips, carrot greens, onion skins, celery and carrots ends, carrot peels and some cauliflower leaves and carrot tops that didn’t make it onto the menu a few weeks ago. It was complex with a hint of sweetness – and, in the spirit of stone soup, it was a broth made in what some would perceive as the absence of food.

I used three cups “stone soup” broth to make one of my favorite soups – a spicy beer and cheddar soup. The final product really benefitted from the multitude of flavors in the broth, particularly the distinctive flavor of corn imparted by the corn cobs.

Spicy beer & cheddar soup (serves 4)

Ingredients

  • 1 Tbsp cider vinegar
  • 1 tsp mustard powder
  • 1 cup diced onion
  • 1 serrano pepper (with seeds), sliced into thin rounds
  • 1 crushed clove of garlic
  • 1 Tbsp olive oil
  • 1 cup diced celery
  • 1 cup diced carrots
  • 1 cup beer (I use a white beer)
  • 3 cups “stone soup” broth
  • 3 Tbsp butter
  • 3 Tbsp flour
  • 1 cup milk
  • 1 cup grated sharp cheddar
  • Salt & pepper to taste

Directions

  1. Mix mustard powder into vinegar and set aside.
  2. Sauté the onion, serrano pepper and garlic in olive oil over medium heat, until onion is translucent.
  3. Add in the celery and carrots, and sauté for about five minutes.
  4. Add in the beer and stone soup broth. Bring to a boil, then lower heat and simmer for 10 minutes.
  5. Melt the butter over medium heat in a deep skillet, and whisk in the flour.  Continue to whisk over medium heat for about 3 to 5 minutes, until the mixture starts to turn a light shade of brown. Whisk in the milk, and heat until the mixture starts to thicken. Stir in the cheese, and once it’s melted, pour the cheese sauce into the soup and blend.
  6. Add in the mustard mixture, and salt and pepper to taste.

Carrot green falafel

Well, I’m back in LA, and back in the kitchen. After a few weeks of great Indian, Malay, and Chinese food, I’ve been in the mood to play with an entirely different set of flavors. My most recent experiment was with falafel – and my one break with tradition was to use carrot greens rather than parsley. I only gave the ingredients a couple of quick pulses in the food processor, which made for a more interesting texture than you get with falafel mix – and of course the flavors were much fresher.

Carrot green falafel (serves 3)
Ingredients
  • 2 cups chickpeas (pre-soaked & cooked, or canned)
  • ½ red onion
  • ½ cup carrot greens
  • 1 serrano pepper, seeded
  • 2 tsp crushed garlic
  • 1 tsp baking powder
  • 6 Tbsp flour
  • ¾ tsp cumin
  • ¾ tsp salt
  • Olive oil for cooking
Directions

Chop the red onion, greens, serrano pepper and garlic coarsely. Put the chopped ingredients in a food processor with the chickpeas, and give them a few quick pulses. You should end up with a coarse mixture, and be able to make out specks of green, beige and red.

Put the mixture in a bowl, and add the baking powder, flour, cumin and salt. Mix all the ingredients evenly using your hands (because it’s more fun), and form the resulting paste into (about) nine small patties.

Fill a deep skillet with about one eighth of an inch of oil, and place the skillet over medium heat. Toss a small speck of falafel mixture into the oil; when bubbles start to form around it, the oil is ready.

Fry the falafel patties for about two minutes on each side, until they are golden brown. I served mine with flat bread, tomatoes and tahini sauce (a quick mix of tahini paste, lemon juice, olive oil, salt, chopped carrot greens and garlic – everything to taste).

Fun facts
Carrot greens per serving 4 tsp
Carrot greens we could save from landfill if every one of the roughly 1.2 billion people in developed regions had one servicing of carrot green falafel about 24,000 cubic meters
Approximate volume of the great pyramid of Giza 2,500,000 cubic meters
The amount of time it would take to save that volume of carrot greens from landfill if everyone in developed nations ate carrot green falafel twice a month 4 years and 4 months

Saag

Indian mealThere are few things I like more than a good Indian meal, and one of my favorite curries is saag. When you get it in North America, it’s usually made with spinach, but it can be made with any green or mix of greens – and it’s a great way to use edible greens that typically end up in the bin, like those of sweet potatoes, radishes, carrots, beets and broccoli.

I made a small batch with carrot greens the other night, which I served with roasted carrots and red peppers, tandoori chicken, watermelon rind chutney and turmeric rice – a meal just overflowing with complex spices and aromas.

Carrot green saag (two small servings)

Ingredients

  • 1 tsp cooking oil
  • 2½ oz onion, diced
  • 1 poblano chili, seeded and diced
  • 1½ tsp grated ginger
  • 1 small clove garlic, crushed
  • ¼ tsp coriander
  • ⅛ tsp turmeric
  • 2½ oz carrot greens, coarsely chopped
  • 2 Tbsp yogurt (optional)
  • ⅛ tsp salt, or to taste
Directions
  • Sauté onions in oil over medium heat until they’re translucent.
  • Add in the chili, ginger, garlic, coriander and turmeric, and sauté until your kitchen smells good – about one minute.
  • Add in the carrot greens, and sauté for about 2 minutes.
  • Add enough water to cover the greens, and bring to a boil.
  • Reduce heat, and let simmer until carrot greens are tender – about 10 minutes.
  • Remove from heat, let cool (so you don’t blow the lid off of your blender with steam), and blend until homogenous.
  • Return to heat, and warm to serving temperature.
  • Stir in yogurt and salt.
I served roasted vegetables on top of this batch, but you can also stir in cooked potatoes, chicken, chickpeas, paneer (an Indian cheese) – or just about anything else.
Fun facts
Edible greens rescued from landfill per serving 1.25 oz
Number of servings needed to save 1 pound of edible greens from landfill 12.8
Cost of 1 pound of edible greens which would usually be tossed $0.00
Cost of spinach at yummy.com as of 1 minute ago $3.99 for 5 oz
Amount you can save by replacing 1 pound of baby spinach with free edible greens (assuming you shop at yummy.com) $12.77
Net impact on landfill if everyone in the US eats 1 pound of greens that would usually be tossed 155,000 short ton reduction
Total cost of that 155,000 short tons of green goodness $0.00

A tall glass of celery

In Japan, celery is not cheap. It’s not sold in bunches; it’s sold by the stalk – and a stalk costs about a dollar.

Celery-ginger limeade

Really the real thing

Strangely enough, I miss that.

I don’t miss the price so much (though it did have the virtue of discouraging waste), but I do miss being able to buy just what I need. Maybe it’s my imagination, but bunches of celery seem much bigger than they were 15 years ago – and buying that much celery makes me uncomfortable. I wonder if I’ll be able to use it all before it shrivels up and becomes unusable. When you’ve thought in terms of individual stalks for so long, the thought of half a bunch of celery in the bin feels … well … just a little bit obscene.

So, since I’ve moved to the US, I’ve spent some time experimenting with things I can do with celery that has lost its crunch (besides throwing it out). One of the easiest is to toss it in a blender with some water, a bit of sugar or honey, and something to add a little extra flavor, like lime, ginger or vanilla.  It’s better tasting than a soft drink, better for you, and better for the planet – and if you miss the fizz, you can always get a soda maker.

The recipe for the version I made yesterday (which was pretty tasty) follows.

Celery-ginger limeade (2 servings)

Ingredients

  • 3 cups water
  • 6 stalks celery (about 18 ounces), coarsely chopped
  • I lime, peeled and quartered
  • 1 piece ginger root about the size of your thumb, coarsely chopped
  • 2.5 Tbsp sugar (or to taste)

Directions

  • Blend ingredients on highest speed until liquified.
  • Filter through a cotton kitchen towel, or wire mesh strainer.
Fun facts
Celery per serving 3 stalks
Length of celery per 12 oz serving, if stalks laid end to end about 99 inches
Average distance from the Earth to the moon 238,855 miles
Number of 12 oz servings it would take to use up the amount of celery which, if laid end to end, would span the average distance from the Earth to the moon 152,867,200
Amount of celery-ginger limeade every American would have to drink to save that amount of celery from landfill 5.8 oz – ½ of a 12 oz serving
Average annual consumption of soft drinks per person in the US 57 gallons – 608 12 oz servings

Puffy veg

I recently read Spree’s blog post about “pint-size” spinach soufflés, and it got me thinking. I’d gotten out of the habit of making soufflés in Japan (where the typical gas oven is roughly three inches tall), but they’re a perfect way to use all sorts of vegetables, not to mention cheeses and herbs. I got more beets this week, so decided to try my hand at making beet green soufflé.

Beet green soufflé

Beet green soufflé, sans souffle

The results are in the photo to the right, and tasted pretty darn good – though my soufflé lacked a little souffle. I think I need to get my soufflé skills back up to speed before I share any recipes, but for now just wanted to share the idea with those of you whose skills are already there. This is one classic dish that you can play with, and use to make the least sexy of ingredients taste great, and (my recent experiment notwithstanding) look like something worthy of a five-star restaurant.

I served the beet green soufflé with carrots in a lemon dill vinaigrette, and froze the peelings and ends for the next time I make stock — one of the many great tips that Zo shared in her blog entry, Save our skins – deliciously and easily.

Fun facts
Weight of beet greens rescued from landfill per serving 1 ounce
Reduction in food waste if every person in the developed world saves just 1 ounce of beet greens from landfill About 31,250 short tons
Weight of the average sperm whale bull 45 short tons
Number of average sperm whale bulls needed to balance 31,250 short tons of beet greens About 695

Save Something from Landfill Day

As one commenter pointed out, today is 2/22 (thanks, Mami), which cries to be a special day on this tiny sliver of the web. Maybe when the 222 million tons Facebook “likes” swell to numbers well beyond the current 11, I’ll have the clout to lobby for February 22 to become International Save Something from Landfill Day. Until then, I’ll just have to try making a small dent in the problem by sharing observations like this one: beet leaves and stems are tasty.

Beet green linguine

They’re often overlooked for the same reason that watermelon rind is; they live next to a real attention grabber – in this case beets. But beet leaves are tender and flavorful, and their stems are red, crisp, and have just a hint of beet flavor. Unlike beets, they don’t overwhelm, but they do add color and character to salads and other dishes.

Our most recent experiment with beets greens was a linguine with beet greens, which was good enough to share here.

Linguine with beet greens (serves 1)

Ingredients

Linguine with beet greens

  • 2 oz linguine
  • 1 tsp olive oil
  • 1 tsp fresh garlic
  • ¼ onion
  • 5 button or crimini mushrooms
  • 5 sun dried tomatoes (the ones packed in oil)
  • 1 tsp oil from sun dried tomatoes
  • 10 oz beet leaves with stems
  • 1 pinch salt, or to taste
  • ¼ tsp pepper, or to taste
  • ¼ tsp dried chili flakes, or to taste
  • ½ oz crumbled goat cheese

Directions

  • Fill a pot with water, and bring it to a boil.
  • You’ll be lightly sautéing the vegetables for this dish, and don’t want things to over cook while you’re busy practicing your knife skills or hunting for spices, so it’s best to do all the slicing and dicing up front. So, as the water comes to a boil:
    • Crush the garlic.
    • Slice the onion.
    • Clean and quarter the mushrooms.
    • Slice the sun dried tomatoes into strips.
    • Wash the beet leaves, remove their stems, and chop them into one- or two-inch lengths.
    • Slice the beet leaves crosswise into ¼ inch strips.
    • Crumble the goat cheese.
    • Get your spices ready.
  • By now the water should be boiling, so prepare the linguine according to the package directions. While that is cooking, you can cook the vegetables.
  • Heat the oil in a skillet over medium heat, and sauté the onions and garlic for two or three minutes, until the onions are translucent.
  • Add in the mushrooms, sun dried tomatoes and sun dried tomato oil, and sauté for two minutes.
  • Add in the beet leaves, and sauté until they start to wilt.
  • Throw in the stems, and sauté until they have imparted their color to the mushrooms and onions. Be careful not to over cook them, though, or they will become brownish and lose their crunch.
  • Remove from heat, and add salt and pepper to taste.
  • By now your linguine should be ready. Plate it, and top it with the sautéed vegetables.
  • Sprinkle with chili pepper flakes and goat cheese (I did that after I took the pictures).
Fun facts
Reduction in food waste per serving 10 ounces
Reduction in food waste if every person in the developed world saves just 10 ounces of beet greens from landfill About 312,500 short tons
Weight of pig iron structure of the Eiffel Tower About 8,000 short tons

Enough with the melon balls

Watermelons are large.

Maybe that doesn’t rank as the deepest insight anyone’s ever had about food – but hey, I’m new at this whole food blogging thing.

And as much as we like watermelon, getting through a whole one before it starts to get a little dry-looking and unappealing is more than the two of us can do. Of course, throwing it away is not an option – nor is feeding it to the worms. It’s human food.

So, after we’d had our fill of watermelon last week, I decided to make some watermelon-yuzu juice. A bit of that ended up in cocktails; and the rest, as granita.

In case you’ve never tried it, yuzu is a Japanese citrus fruit. It is distinctive, aromatic, and adds a bright note to everything it touches – and in Japan, it touches a lot:

  • Yuzu kosho, a paste made with ground chilies and yuzu zest (this stuff rocks),
  • Ponzu shoyu, a soy and citrus sauce,
  • Yuzu tea, a tea made from yuzu zest and honey,
  • Alcoholic drinks like yuzu sours and yuzu chuhai,
  • Yuzu vinegar… and lots more.

It’s one of the flavors that we miss most from Japan, hence the little yuzu tree on the balcony (the source of the yuzu juice in this recipe) – and, I can’t recommend the ingredient enough. Just one tablespoon of yuzu juice completely changed the flavor of the cocktails and the granita, giving them a refreshing acidity and a little taste of Japan.

Watermelon-yuzu granita

Watermelon-yuzu cocktail and granita

Ingredients

  • 8 cups watermelon, seeds and all, coarsely chopped
  • ¼ cup water
  • 1 Tbsp fresh squeezed yuzu juice (can substitute with lime juice)
  • 2 tsp sugar (or to taste) — optional
  • 1 oz whiskey — totally optional

Directions

Watermelon-yuzu cocktail

Something to sip on while making granita

  • Put all the ingredients in a blender, and blend at the highest setting for a minute or two.
  • Some people pour the juice through a sieve to remove the pulp. Don’t do that. The pulp gives the juice a rich mouthfeel.
  • Pour yourself a glass, and add a jigger of whiskey if you are so inclined.
  • Place the remainder of the juice in a the largest baking dish you have that will fit in your freezer. The bigger the pan, the less time the granita will take to prepare.
  • Every 30 minutes or so, take the baking dish out of the freezer and use a fork to scrape the edges and break up the crystals.
  • When all the liquid is frozen, break it up with a fork one more time, cover the baking dish, and put it back in the freezer. Note getting to this point can take up to 4 or 5 hours, depending on the size of the baking dish.

The watermelon that was threatening to go bad will now keep for several weeks, and makes a light, refreshing dessert.

Watermelon rind is food too

Watermelon rind has it tough. It lives next to sweet, pink, refreshing fruit that can be eaten as is, or easily become the base of colorful drinks, salsas, granitas and soups. How many of us even acknowledge rind as food? How many of us stop eating when we reach the unsexy, white, flavorless stuff? How many rinds end their lives needlessly in landfill?

Too many to contemplate.

But watermelon rind is food too, and there’s no reason to throw it away, or even compost anything but the hard, dark green skin (less than a millimeter thick). Although the rind is not as flavorful as the rest of the fruit, it is slightly sweet and has a firm, crisp texture that holds up well to cooking. It can be incorporated into the aforementioned drinks, salsas, granitas and soups — but also does well on it’s own in both sweet and savory concoctions.

Watermelon rind chutney

Take that, sexy, pink, attention-grabbing watermelon flesh

I’ve been in the mood for Indian food lately, so when I found myself with 10 cups of watermelon rind earlier this week (harvested from a 7 pound watermelon), I decided to use it to make chutney. The recipe is below, and the result is a spicy, sweet, sour, aromatic condiment that makes a perfect accompaniment to Indian food, meat dishes or strong cheeses.

Watermelon Rind Chutney

Ingredients

Cubed watermelon rind

Cubed watermelon rind

  • 10 cups watermelon rind, diced in ¾ inch cubes with dark green skin removed
  • 2 cups raisins
  • 2 serrano peppers with seeds, minced
  • ½ cup ginger, skinned and coarsely chopped
  • 1½ Tbsp garlic, coarsely chopped
  • 1 tsp red pepper
  • ¾ tsp cinnamon powder
  • 
½ tsp cardamom
  • ½ tsp ginger powder
  • ¼ tsp powdered cloves
  • 1 tsp salt
  • 2 cups cider vinegar
  • ¼ cup lime juice
  • 1½ cups sugar

Directions

  • Place watermelon rind, raisins, serrano peppers, ginger, garlic, red pepper, cinnamon powder, cardamom, ginger powder, powdered cloves, salt and half of the vinegar in a large pot.
  • Add enough water to just cover the fruit, and give everything a good stir.
  • Bring the liquid to a boil, then immediately reduce heat to low.
  • Cook on low heat for 1 hour, stirring occasionally, until the rinds take on a translucent quality.
  • Add in the rest of the vinegar, the lime juice and the sugar, and stir until sugar dissolves.
  • Bring the liquid to a gentle boil, and, stirring frequently, continue to boil until the liquid has the consistency of jam.
  • Put the chutney in a sterilized jar.

This chutney will stay fresh for several months in the refrigerator.

Fun facts
Reduction in food waste per batch of chutney 10 cups
… and if every household in the US makes 1 batch Over 9.6 million cubic feet
Volume of the Washington Monument About 1 million cubic feet

Eating green

Last April, I bought some carrots.

I had just moved to the United States, and unlike the thick, woody carrots at our local market in Japan, these were small, organic, and topped with lush greens. They smelled earthy and fresh, and in the tradition of millions of grocery unpackers before me, I twisted the greens off to keep the carrots fresh longer. I was about to throw those greens away when a question stayed my hand:

Are carrot greens food?

Moving to California (a land of cheap, fresh food sold in massive quantities) had made Bonnie Lee and I keenly aware of how easy it would be to waste food here — something we were determined to avoid — and a quick search on the Internet told me that carrot greens are one of the many foods most people feed to the bin rather than to themselves. It’s a shame. Although they lack many of their bright orange roots’ charms, carrot greens have a distinctive bitterness that can add an unexpected accent to a meal, and which balances nicely with other strong flavours.

The first bunch of carrot greens I rescued ended up in some chicken soup stock — and that’s the way I use them most often. They add a layer of complexity to stock, and a healthy greenish tinge, though you still end up with solid waste when you use them that way.

My latest experiment with carrot greens was the Purée of the Whole Danged Carrot Soup (recipe below) that I made for lunch yesterday. I balanced the bitterness of the carrot greens with a good dose of white pepper, and some cider vinegar and honey. I decided not to blend the soup completely, so that little specks of green and orange would still be visible. That gave the soup a bit of crunch and freshness that I liked, but I can see some folks being put off by the texture. For a smoother version, I would suggest throwing a couple of ounces of cooked potato into the mix, and blending the soup more throughly.

Carrot greens also make a good addition to salads, and there are a few recipes for carrot green pesto out there (though I’ve yet to try those). Feel free to share any carrot green recipes, or improvements to my recipe, in the comments.

Purée of the Whole Danged Carrot Soup (1 serving)

Ingredients

Carrot greens are food too

  • 1 tsp olive oil
  • 4 oz carrots (diced finely)
  • 3 oz onion (diced finely)
  • 1 clove garlic
  • 1 cup chicken stock
  • Greens from carrots used above (diced finely, except for 1 sprig to be used for garnish)
  • 1 tsp honey
  • 1 tsp cider vinegar
  • ¼ tsp white pepper
  • ⅛ tsp salt (or to taste)

Directions

  • Sauté the garlic, onions and carrots in the olive oil over medium heat, until the onions are translucent.
  • Add in the chicken stock and carrot greens, and heat until carrots are tender.
  • Remove soup from heat, and purée using hand mixer or blender.
  • Add in the honey, vinegar, salt and pepper; stir well, and warm soup back up to serving temperature.
  • Plate and garnish with carrot greens.
Associated reduction in the 222 million tons of waste produced annually
Per serving about 1 oz (the weight of the greens, assuming you would have eaten the carrots anyway)
If you eat this once a week 3¼ pounds per year
If everyone in the US eats this meal once over 9,500 short tons
If everyone in the US eats this meal once a week close to 500,000 short tons per year