Lugano – Around the world, food waste is increasingly recognized as a serious issue with significant environmental and economic consequences.
When food is discarded, the resources needed to produce it are wasted as well, including water, energy, farmland, and human labor.In addition, food that ends up in landfills decomposes and releases methane, a greenhouse gas that contributes to climate change.
One of the most effective ways individuals can address this issue is by changing how they cook at home.
Reducing food waste in the kitchen often starts with learning how to reuse ingredients that might otherwise be thrown away.
Cooking sustainably does not require complicated techniques. Many traditional recipes were originally created as practical ways to use ingredients that remained from previous meals.
Leftover rice, roasted chicken bones, and extra vegetables can easily be transformed into new meals with just a few additional ingredients.
By using these ingredients creatively, home cooks can stretch their groceries further while reducing unnecessary waste.
The following three recipes show how simple sustainable cooking can be.
Leftover fried rice
A quick and flexible dish that gives one day-old rice and small portions of leftover vegetables or meat a second life.
Fried rice is one of the most effective ways to use leftovers because the recipe can easily be adapted depending on what ingredients are available.
Slightly dried rice works best, creating the perfect texture when stir-fried in a hot pan.
Vegetables, small pieces of meat, or even herbs can be added, making this dish a practical solution for using ingredients that might otherwise go to waste.
Ingredients
- 350 g of cooked one day-old rice
• 1 tablespoon oil
• 2 eggs
• 140 g mixed vegetables (carrots, corn, green onion or other leftover vegetables), chopped into small 1 cm pieces
• 2 cloves garlic, minced
• 2 tablespoons soy sauce
• 1 teaspoon sesame oil
• 2 green onions, sliced
• Optional protein: leftover chicken, tofu, or shrimp
Instructions
Heat oil in a large pan or wok over medium-high heat.
Add garlic and cook until fragrant.
Add the vegetables and stir-fry for a few minutes.
Push the vegetables to one side of the pan and scramble the eggs on the other side.
Add the cooked rice, soy sauce, and sesame oil, mixing everything together until well combined.
Add any leftover protein and cook for another 3–4 minutes until heated through.
Top with sliced green onions and serve hot.
Roast chicken soup
A comforting soup that uses the leftover carcass from a roast chicken to create a rich homemade broth.
After roasting a chicken, the bones often still contain a great deal of flavor and nutrients.
Instead of discarding them, they can be simmered with vegetables to make a nutritious stock that forms the base of a hearty soup, and can be particularly useful during a cold.
Ingredients
- 1 leftover roast chicken carcass
- Any remaining chicken meat, shredded
- 1 onion, chopped
- 2 carrots, chopped
- 2 celery stalks, chopped
- 2 cloves garlic
- 1 bay leaf
- 6-8 cups water
- Salt and pepper
- Optional: noodles, rice, or potatoes
- Fresh herbs such as parsley or thyme
Instructions
Place the chicken carcass in a large pot.
Add onion, carrots, celery, garlic, and bay leaf.
Cover with water and bring to a boil.
Reduce the heat and simmer for 45-60 minutes to create a flavorful broth.
Remove the bones and strain the broth.
Add shredded leftover chicken meat back into the soup.
Add optional noodles, rice, or vegetables and cook until tender.
Season with salt, pepper, and fresh herbs before serving.
Vegetable feta tarts
A savory vegetarian-friendly tart that transforms leftover vegetables into a crisp and flavorful dish.
Vegetables such as carrots, parsnips, and sweet potatoes often remain in the refrigerator after other ingredients have been used.
Roasting them brings out their natural sweetness, while the saltiness of feta cheese provides a satisfying balance.
Ingredients
- 1 sheet puff pastry
- 2 cups mixed & sliced vegetables (carrots, parsnips, sweet potatoes, tomatoes, or beetroot)
- 150 g feta cheese
- 2 tablespoons olive oil
- Salt and pepper
- 1 teaspoon honey
- Optional toppings: Sesame seed, fresh herbs
Instructions
Preheat the oven to 200°C.
Toss the sliced vegetables with olive oil, salt, and pepper.
Roast them for about 20-25 minutes until tender.
Roll out the puff pastry on a baking tray and lightly score a border around the edges.
Arrange the roasted vegetables on top of the pastry and crumble feta over them.
Drizzle honey lightly over the vegetables.
Bake for about 20 minutes until the pastry is golden and crisp.
Garnish with sesame seeds or fresh herbs before serving.
