02 October 2026
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World Kitchen Journal
Never throw away garlic peels again
The Table
By Dr. Margaret Ellis, The Body desk · 3d ago · Slovenia · 3 min ·

Never throw away garlic peels again

Most people automatically throw the garlic peels in the trash after peeling them. However, what at first glance seems like kitchen waste is actually a very useful ally in both the household and culinary world. Garlic peels are not just useless wrapping, but a source of aromas, vitamins and minerals.

With proper processing, this 'waste' can be used in both food preparation and in the care of indoor and garden plants. Containing potassium, calcium and vitamins A, C and E, it is a natural way to enrich your diet and soil. Establishing a sustainable relationship with food starts with small steps like these, where we use the whole plant.

How to properly use garlic peels in the kitchen

Few people know that garlic peels are great for enhancing dishes with a spoon. When cooking soup, stew or stock, add a handful of clean peels, which will give the dish a beautiful golden brown color and a fuller aroma. Since the peels are full of vitamins and minerals, they will be transferred to the liquid during cooking. Practical tip: put the peels in a cheesecloth bag to make them easier to remove before serving.

If you want to take it a step further, you can dry them in the oven and grind them in a coffee grinder. The resulting powder is a great addition to bread dough or as a dry spice that does not need to be removed from food. This use ensures a high vitamin content without changing the texture of the dish.

Making natural liquid fertilizer from garlic residues

Garlic peels are an excellent base for making a completely natural liquid fertilizer. The process is simple: pour a handful of dried peels with a liter of boiling water and leave in a covered container for 24 hours. Then strain the liquid and water your indoor or garden plants with it. This preparation is rich in potassium, calcium and phosphorus, which helps to make the leaves stronger and shinier, and the roots more resistant. In addition to feeding, this solution also acts as a protection against pests. The strong smell of the peels repels aphids and other small insects.

If you want to improve the quality of your soil directly, you can mix dried and crushed garlic peels directly into your compost or soil, as they improve its structure and aeration. Always use organic garlic peels to avoid pesticide residues in your garden.

The scientific aspect and importance of reducing biowaste

Science confirms that garlic peels contain many beneficial substances. They are rich in antioxidants that help strengthen plant immunity and contain flavanols, which are believed to help lower blood pressure.

Using garlic peels is part of a wider movement towards sustainable living and reducing waste. EU data shows that bio-waste makes up a large proportion of all rubbish, but only a small proportion is properly recycled. When you use garlic peels instead of throwing them away, you are actively reducing your ecological footprint and helping to protect the environment. Recycling bio-waste at home is becoming a key element in achieving global environmental goals.

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