1. Use as Fertilizer
When leftover food becomes overwhelming and all your preservation methods fail, consider turning them into fertilizer for plants. Depending on the form of food, you can use it directly as fertilizer or compost it for gradual use on plants. This method not only saves you the cost of buying fertilizer but also provides additional nutrients for the plants to thrive.
This method utilizes leftover food from the kitchen, which is composted to create 100% natural fertilizer. This type of fertilizer is extremely useful and safe for growing vegetables, flowers, ornamental plants, etc. Kitchen waste such as rice, leftover food, various food processing ingredients, eggshells, fruit peels, etc. Instead of throwing them into the smelly trash bin, you can now transform them into fertilizer for plants, especially for growing vegetables. With a simple process and readily available kitchen ingredients combined with primary E.M, you can create this excellent organic fertilizer.


2. Adjust the Way You Add Spices
Spices often enhance the aroma and flavor of dishes. If reheating leftover food makes it monotonous, you can choose to season it differently. For instance, transform leftover boiled meat into a savory dish by adding herbs or various spices. Adjusting the way you add spices can give the dish a unique taste that will surely satisfy your palate.
Sugar and salt are two types of seasonings that can rescue leftover food:
- Brining is a preservation and cooking method by mixing the food with salt, which inhibits the growth of spoilage-causing microorganisms. Moreover, salt also acts to reduce the impact of enzymes that cause spoilage. The brining process can be combined with ice water brining.
- Sugar works to balance the salty taste of salt, creating conditions for lactic acid bacteria to thrive and inhibiting the growth of spoilage-causing bacteria.


3. Air-drying
Air-drying is one of the easiest preservation methods, requiring no special skills, just plenty of fresh produce. Hang fragrant herbs in a dry, airy, and warm place. Cover them with newspaper to prevent dust. When completely dry and crisp, store them in a sealed jar. Drying involves slicing fruits, vegetables, and following the manufacturer's instructions for using a food dehydrator. You can use wax paper to wrap the fruits. Air-drying is one of the most effective ways to utilize leftover food.
For leftovers like rice, sticky rice, etc., you can use air-drying to preserve them. This method is incredibly effective, allowing you to store food for an extended period (up to 1 year). Later, you can transform these dried items into different forms such as sweet porridge, cakes, etc. Note that before air-drying, you should clean the rice, sticky rice, etc., and air-dry them at high temperatures, the drier, the better.


4. Make Fruit Preserves
Summer is the season of fresh and sweet fruits at affordable prices, and it's also when you often buy fruits in large quantities. When suddenly realizing that you've bought too many fruits, extend their shelf life by turning them into preserves. Peaches, plums, blueberries, raspberries... all can be turned into preserves to accompany various delicious dishes, from baked bread to ice cream.
In addition to dried fruit preserves, you can also utilize excess fruits to make pureed fruit preserves to pair with bread. Pureed preserves are processed from various fruits and some tubers cooked with sugar. Many fruits and tubers can be used to make preserves: coconut, ginger, orange, strawberry, sweet potato, apple, pineapple, and more. Each type of preserves will have a unique color and flavor. After making pureed preserves, you can store them in the refrigerator and enjoy them with yogurt, sliced bread, biscuits, etc.


5. Innovate Various Dishes with Leftovers
Fried rice, reheated meat or spring rolls, cooked with noodles... are fantastic suggestions to make the most of leftovers. Instead of wasting leftover food, preserve and transform them into new dishes based on your creativity. When seasoned with additional spices and cooked in different styles, leftovers become more interesting than ever. You can also explore salad recipes or various hotpot dishes using leftovers from books or online sources.
Salad is a simple and easy-to-make dish. Many people choose to buy vegetables to make a quick and delicious dinner. However, sometimes we realize that the quantity of vegetables bought is enough to feed a small army. In that case, stir-fry all those vegetables. You will have a wonderful dish. Cooking fried rice is also a great way to use leftover cold rice and all the leftover vegetables in the fridge. This dish is suitable for all seasons, whether it's winter or summer, and is extremely versatile, allowing you to freely create and experiment.


6. Create a Mouthwatering Pizza from Processed Meats
For processed meats like sausages, bacon, stewed meat, or braised meat, you can combine them with various vegetables to make a delicious pizza. Don't worry, the flavor of this pizza will not be hard to eat because, in reality, pizza is a type of bread baked with diverse ingredients.
Ingredients:
- Pizza crust: Flour (200 gr), yeast (5 gr), salt (2 gr), water, vegetable oil
- Pizza toppings: Cheese, tomato sauce, pizza toppings according to personal taste, and you can use any leftover meats in the kitchen, bell peppers, and onions.
Instructions:
- Pizza crust: Mix flour, yeast, salt, water, and vegetable oil evenly and knead by hand until the dough is moderately elastic. Then, use a rolling pin to flatten the dough, making sure the edges are thicker to prevent ingredients from falling out.
- Place the pizza crust in the oven at 220 degrees Celsius for 5 - 7 minutes.
- Pizza toppings: Spread shredded cheese and tomato sauce evenly on the pizza crust. Add your preferred toppings, then put the pizza in the oven at 400 degrees Celsius for about 10 - 15 minutes. Remove it when the pizza is golden brown.
There you have it, you've made a delicious pizza from the leftover meats from yesterday.


7. Make Broth
To avoid food waste, making broth and storing it in the freezer is a fairly simple process. Take the discarded parts of vegetables, such as tops, stems, peels, and any other parts you don't use, sauté them with a little olive oil or butter, then add water and simmer until you have a flavorful vegetable broth.
Do you have a few carrots, some celery, a bit of parsley, or some wilted herbs in the fridge? Don't throw them away; use them wisely. Parts of vegetables that are often discarded can be used to create a pot of delicious vegetable broth. More economical and tastier than store-bought broth, this method is also extremely simple, taking only 30 minutes to complete. You can save it for later meals by pouring the broth into a glass jar and storing it in the refrigerator.


8. Upcycle Food into Animal Feed
Another way to utilize all your leftover food is to upcycle it into animal feed. If you don't have pets or prefer not to feed them your leftovers, there are farm animals that can benefit from your food. Ensure the food is not spoiled and is suitable for the health of the animals.
Some livestock owners claim that using leftover food for feeding yields higher and more stable profits compared to commercial feed. Using leftover food is not only less dependent on the fluctuating prices of commercial feed but also contributes positively to environmental conservation.


9. Create Pickles
Vinegar significantly extends the shelf life of various vegetables, making pickling an effective way to use up excess veggies. Pickles can be enjoyed with sandwiches, salads, or served as appetizers. Crisp vegetables are the easiest to pickle. On colder days, try pickling carrots, broccoli, turnips, or onions. On warmer days, experiment with zucchini, green beans, bell peppers, and cucumbers.
Making pickles requires readily available ingredients and is incredibly simple. You can prepare pickles in less than 45 minutes. Therefore, making pickles is an efficient way for your family to address leftover food while adding a tasty side dish to family meals.


10. Polish Copper with Citrus Peels
You'll be surprised to know that all the peels from your fruits can be very useful. You can effectively use lemon and orange peels, or any citrus fruit peels, to clean copper and brass. Fruit peels contain a significant amount of citric acid, excellent for cleaning these metal items. You can rub these peel layers on metal items to clean and make them shinier.
How to:
- Squeeze lemon juice onto a clean cloth or dishwashing sponge, then rub directly on copper utensils.
- After scrubbing the surfaces, rinse with warm water and wipe dry. Lemon juice will remove dirt and restore the shine of copper utensils.
- For greenish rust stains on copper items, mix lemon juice with salt, use a cloth to apply to the rusty area, and watch the stains disappear quickly.


