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29 June 2026

Creative ways to use up leftovers and reduce food waste with chef margaret li

Chefs margaret li and tamar adler share their best strategies for reducing food waste and cooking creatively with leftovers.

Creative ways to use up leftovers and reduce food waste with chef margaret li

Standing in front of an open refrigerator, staring at a medley of half-eaten meals and wilted vegetables, it’s easy to feel uninspired. But what if you could turn that culinary conundrum into a creative challenge? Chefs Margaret Li and Tamar Adler share their insights on how to transform leftovers into exciting meals, reducing food waste and saving money in the process.

In the United States, about a quarter of food products go to waste, according to ReFED. For the average household spending around $200 a week on groceries, that waste can add up to about $50 worth of food tossed in the trash. But with a few clever strategies, you can turn those forgotten ingredients into delicious dishes.

Embrace the creative challenge

Chef Margaret Li co-author of Perfectly Good Food: A Totally Achievable Zero Waste Approach to Home Cooking suggests shifting your mindset to see cooking with leftovers as a fun, experimental game rather than a chore. “It ends up being this fun game where you are creating something from what seems like nothing and solving this puzzle, and then you get to eat it,” she says.

To get started, Li recommends building a repertoire of flexible, go-to recipes that can accommodate a variety of ingredients. She calls these “hero recipes.” One of her favorites is a “Make-It-Your-Own Stir-Fry,” which calls for loose ingredients like “1 pound crisp-crunchy vegetables” or “4 cups leafy greens.” The simple sauce, made with soy sauce, vinegar, sugar, and water, ties the dish together, creating a gourmet meal from what might otherwise be overlooked ingredients.

Label and plan for future meals

Keeping track of leftovers can be a game-changer. Li suggests keeping a permanent marker and painter’s tape handy to label and date leftovers. “That is a classic chef’s method for knowing what something is and when it was made. That saves you the guessing game,” she explains.

Adler takes this a step further by labeling leftovers with their intended future use. “Leftover blueberries are labeled ‘muffins-to-be on Tuesday,'” she says. “I really like doing that — assigning the destiny of the food.” For example, after enjoying Ethiopian takeout, Adler might label leftover injera as “Injera for eggs,” planning to scramble the spongy bread with eggs the following morning.

Utilize every part of your ingredients

Don’t let those herb stems go to waste. Adler advises never throwing away the stems of herbs, as they still carry the same flavor as the leaves. “I’m going to chop these herbs up or stick them in a blender with a clove of garlic,” she says. Adding olive oil turns the stems into a versatile base sauce for various dishes.

Li also suggests keeping an “Eat Me First” box in your fridge for half-used items and produce that’s starting to wrinkle. “You kind of have an idea for, OK, here’s where you look first,” she says. This designated spot helps ensure that nothing gets forgotten and goes to waste.

For those who want to go the extra mile, Li keeps dedicated freezer bags for different dishes, like vegetable scraps for soups or fruit discards for smoothies. “It’s ‘delicious,’ she says, ‘even if it’s made up of all the things that have been rejected in the past.’

Don’t strive for perfection

Remember, the goal is to reduce waste and enjoy the process, not to create a perfect meal every time. Li advises not to be too hard on yourself if you don’t use every single ingredient. “I try not to be too obsessive about eating absolutely everything,” she says. If a takeout meal is truly unappetizing, it’s okay to toss it or compost it.

By embracing these strategies, you can turn your fridge into a treasure trove of culinary possibilities, reducing waste and saving money along the way. So next time you open your refrigerator and think, “There’s nothing to eat,” remember that with a little creativity, you can transform those leftovers into a delicious meal.

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Beatrice Mitchell

Beatrice Mitchell, Manchester-rooted and classically elegant, famously commissioned a rebuttal series after a controversial council planning meeting in Stockport, insisting on community testimony. Holds a firm editorial line on accountability and narrative fairness, and collects vintage city planning maps as an idiosyncratic hobby.