Onion peels can be reused from the garden to the home, including cooking, cosmetic treatments and medicinal remedies. They are full of resources, so it would be a shame to throw them in the trash. Yes, nothing is lost and everything is transformed. Discover 15 useful, healthy and environmentally friendly ways to recycle onion peels.
Reuse onion peels in 15 useful and environmentally friendly ways
Onion peels: we recover and reuse
Why not collect the onion peels? A vegetable very good for health thanks to its high content of antioxidants, trace elements, mineral salts, fibers and vitamins A, B and C.
After the onions are cooked, there are always the peels left which can be used in a number of ways. The skin of onions contains the same nutrients as the vegetable.
You can easily benefit from it for the garden, the house, in the kitchen or in body care.
So, don’t hesitate to recycle them and learn how to transform them! Among the tips listed here, there are certainly some that you know and / or apply already. But some may surprise you. Reusing and recycling onion peels is another step towards zero waste. More and more of us are being made aware of the need to stop producing so much waste.
Onion peels: a real health benefit
Onion peels, whether white, yellow or red, are very rich in antioxidants, which help improve our health on many levels. They have anticancer, antifungal, antibiotic, antiseptic, anti-inflammatory and antibacterial properties.
Rich in Dietary Fiber: The skin of onions contains soluble fiber which is beneficial for diets and gastrointestinal disorders. It is also rich in phenolic fibers which help lower cholesterol levels and prevent cardiovascular disease.
Rich in quercetin, a powerful flavonoid: Onion peels contain quercetin, a powerful plant pigment that contains flavonoids. In the onion family, white contains none at all, yellow onion a little more, and red onion even more. In general, the more colorful a plant, the more antioxidants it contains. Quercetin is effective in lowering high blood pressure and preventing blocked arteries.
15 green tips for recycling onion peels
Recycling and reusing onion peels is great, but I recommend that you choose organically grown onions to avoid all traces of pesticides.
Recycle onion peels in the kitchen
Onion peels can be reused in cooking. They are very rich in vitamins, fiber and antioxidants, so don’t hesitate to incorporate them into your meals.
1. Use the onion skin in the soup
The onion skin is as nutritious as the vegetable itself and you can use it as a base for soup (or broth), which will give it a great flavor. The onion peel also gives a nice ocher color to soups.
So save the skins for the day you want to make your own broth. Don’t forget to remove them before tasting!
You can also use it to make homemade cube broths.
2. In breadcrumbs or to replace wheat flour
The onion skin can be used in breadcrumbs or as a substitute for wheat flour in many recipes.
How to proceed ? Dry (or heat) the peels, then powder them and sift. Then incorporate the powder into breadcrumbs, or flour, to make pizza dough, pie dough or even bread. Onion skin powder is not a complete substitute for flour, but it can replace it in small amounts.
As a replacement for flour at a level of 1 to 5%, the peel powder increases the antioxidant content in your preparations.
You can store the onion peel powder in an airtight jar.
3. In detox or sedative infusion
Thanks to its diuretic action, but also a fat burner, onion peel is ideal as a detoxifying drink.
The quercetin in onion skin also has sedative properties. For this reason, it is advisable to consume this infusion at bedtime.
To make an infusion of onion peels: Take a few pieces, cover them with boiling water and let steep for about 15 minutes. Strain the liquid, then drink it before going to bed.
Reuse onion peels around the house
Onion peels have more than one trick up their sleeve when it comes to reuse.
4. As a natural dye for textiles
To avoid using classic dyes that contain chemical and harmful substances, we turn to a vegetable and natural dye.
Used as a dye, onion peels provide solid colors ranging from light yellow to orange. Homemade vegetable dye is ideal for coloring textiles of natural origin, such as cotton, silk, wool, linen, etc.
Easy to make, you will be able to give new life to faded or old-fashioned clothes. A new way to recycle.
5. As a 100% natural vegetable dye
Avoid chemical dyes, using onion peels as a vegetable and natural food coloring. You will get shades ranging from light yellow to orange:
to bring color to your recipes,
to make natural makeup for your children,
to decorate Easter eggs or play dough.
Very easy to make, boil the peels and incorporate them into your recipes.
Reuse onion peels as a health benefit
Onion peels are real natural antibiotics. The high content of polyphenols and quercetin, which have anti-inflammatory and antioxidant action, make onion skin a real miracle cure.
6. To relieve muscle cramps
If you suffer from leg cramps, onion peels can provide relief, thanks to their antioxidant and soothing actions.
How to proceed ? Boil the onion skins in water for 20 minutes to make an infusion. Filter to remove the skins, then drink a cup daily before bed. Allow about 15 days for the effect to be felt.
7. To fight against colds and allergic rhinitis
The medicinal properties of onion peels are effective in effectively treating colds and allergic rhinitis.
How to proceed ? Boil the onion peels in plenty of water, then inhale the steam. You will feel a marked improvement in the inflammation in your sinuses.
You can also drink an infusion of the peels before going to bed.
8. To relieve bronchitis and coughs
Thanks to its high sulfur content, onion peels are very effective in relieving the respiratory tract in case of bronchitis or cough. Sulfur acts on the ENT sphere as an anti-inflammatory and treats tonsillitis, laryngitis and bronchitis.
How to proceed ? To relieve these conditions, use onion peels as a poultice. Boil the onion skins for 10 minutes. Filter and wrap the peels in a compress. Apply this natural poultice to the chest. Leave on for 1 to 2 hours.
9. To relieve inflammation of the oral mucosa
The antiviral, anti-inflammatory and antibacterial action of onion peels is ideal for relieving mouth ailments.
If you suffer from stomatitis, canker sores, cold sores or oral herpes, feel free to use onion skins for relief.
How to proceed ? Boil the peels in water, then filter. Rinse your mouth with the liquid several times a day.
10. To reduce varicose veins
The flavonoids in red onion peels are beneficial in the treatment of circulatory disorders. Onion peel is one of the best sources of quercetin which decreases capillary fragility.
As an infusion: An infusion of onion skins will regulate blood flow, which will improve its passage through the arteries to prevent varicose veins and high blood pressure.
For external use: The peels can also be applied externally topically. To do this, finely chop the skins, and mix them with a little olive oil. Leave to macerate for 48 hours. Filter the mixture and apply to varicose veins, in generous amounts. Perform gentle circular massages, pressing with your fingertips to stimulate blood circulation. Leave on the affected areas for 1 hour. Rinse off with cold water.
Reuse onion peels in body, hair and face care
11. To cleanse the skin and treat acne
Onion peels contain antioxidants and trace elements that are beneficial for the skin, as well as sulfur, known to work against acne.
How to proceed ? To cleanse the skin, prepare yourself a lotion by boiling a handful of peels in water. Filter and apply it to the skin with a cotton ball or swab depending on whether you want to treat the pimples locally or the entire face.
12. Use onion skin as a hair dye
If you want to achieve copper and natural highlights on your dark hair, nothing better than onion skins.
How to proceed ? In a large saucepan, pour 1 L of cold spring water over 4 good handfuls of onion peels. Bring everything to a boil, then boil for 5 minutes. Off the heat, cover, let steep until cool, then filter. Use this infusion as a rinse water after shampooing.
13. As a dressing to treat small wounds, skin infections or burns.
An effective antiseptic, onion peels treat skin infections (abscesses, boils, whitlow, etc.) and promote healing of the skin (cracks, frostbite, burns, etc.)
How to proceed ? Take the first thin, transparent peel of the onion. Warm it up in a spoonful of olive oil. Then apply it directly as a bandage. Hold with a compress.
Recycle onion peels in the garden
Onion skins are also very useful for protecting and promoting the growth of garden plants.
14. As a fertilizer or fungicide
In the garden, onion skins are effective. In maceration, they give a very good fertilizer, and in infusion they serve as a fungicide.
For maceration (fertilizer): Mix 100 g of chopped onion skins with 1 L of rainwater and let steep for 24 hours in an airtight container, then filter. Dilute 10 cl of filtered maceration in 1 L of rainwater and spray on your plants every 15 days, to accelerate growth.
For the infusion (fungicide): Immerse 100 g of chopped onion skins in 1 L of cold water, then bring to a boil. As soon as it comes to a boil, remove from heat and let steep with a lid, until cool. Filter and spray the pure herbal tea once a week in humid weather. It is effective in the fight against powdery mildew and mildew.
15. Use the onion skin in the compost heap
Stop throwing onion skins in the trash, but place them directly in the compost bin.
Composting is indeed a simple, ecological and economical way to transform green household waste into a natural fertilizer for the soil.
You can also put your peelings directly in the ground during your plantings. These will serve as the base fertilizer for your seedlings.