Peel and dice onions.

Place each diced piece of onion on dehydrator tray. Fill each tray.

Set dehydrator to 125°f and let dehydrate for 18-24 hour until completely dry. Time to dry may vary depending on the humidity level in your home.

Once dried, place dried onion in a food processor or mortar.

Grind onion using a pestle or food processor until onion is powder.

Note, mortar and pestle will achieve the best powder like results.

Grind onion using a pestle or food processor until onion is powder.