All the incredible uses of old or sprouted onions: don’t throw them away

3. Vegetable broth:

Old or sprouted onions can be used to make vegetable stock. Simply put them in water with other vegetables, herbs and spices to obtain a tasty stock that can be used as a base for many recipes.

4. Hair dye:

Onion peels can be used to make a natural hair dye. Boil the peels in water and apply the liquid to your scalp for a light lightening effect.

5. Natural fertilizer:

Old or sprouted onions can be used as a natural fertilizer for plants. Chop onions and scatter them around your garden plants. They will provide nutrients to the plants and improve the health of the soil.

6. Insect deterrent:

The smell of onions can act as a natural deterrent for many plant-damaging insects. Place old or sprouting onions around garden plants to keep insects such as aphids and whiteflies away.