This dehydrated onion recipe is such a simple way to preserve this delicious pantry staple! Learn how to dry onions in a food dehydrator or in the oven.
Prep Time15 minutesmins
Drying Time12 hourshrs
Total Time12 hourshrs15 minutesmins
Course: How To
Cuisine: American
Keyword: dry onions, how to dehydrate onions, how to dry onions, onion dehydration
Cut in half and then make slices ~3/8 inches thick.
Arrange the slices on your dehydrator so that there is space around each slice, and the slices are not touching.
Set your dehydrator to the "fruit/vegetables" setting (or 135˚F).
Rotate trays every few hours.
Onions are ready when pieces of it break or snap instead of bend. If your pieces are thinner, it will feel papery when ready. (6-12 hours depending on conditions)
Notes
If possible, move your dehydrator outside to a safe covered space. The smell of drying onion can be overwhelming to many people.
Dried onions are 3-4 times stronger than fresh.
Dried onions will rehydrate to ~80% of the original size when soaked in water for 30 minutes to 2 hours.
Oven-Drying Instructions: Follow the cutting instructions above and then place onion slices on baking drying racks set in baking sheets.Place in the oven at the lowest temperature possible (usually 140-170˚F) and prop open the door with the handle of a wooden spoon. This allows condensation to escape instead of just settle back onto the onions.Bake for 5-8 hours.