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🧅 A Step-by-Step Guide on Drying Onions

Learn how to dry onions with this easy step-by-step guide from Just Canning. Find out the tools you'll need and follow our instructions for perfectly dried onions.

A Step-by-Step Guide on Drying Onions

You will need:

  • fresh onionsFresh Onions
  • sharp knifeSharp Knife
  • cutting boardCutting Board
  • baking sheetBaking Sheet
  • ovenOven


  1. Start by preheating your oven to the lowest setting, usually around 130-140 degrees Fahrenheit.
  2. Peel your onions and chop them finely. Be sure to remove any brown or damaged parts.
  3. Spread the chopped onions evenly on a baking sheet, ensuring they don't overlap.
  4. Place the baking sheet in the preheated oven.
  5. Leave the onions to dry for about 6-10 hours, or until they are completely dry and crisp.
  6. Once dried, remove the onions from the oven and let them cool completely.
  7. Store the dried onions in an airtight container in a cool, dark place.


The drying time may vary depending on the size of your onion pieces and the exact temperature of your oven. Check the onions every hour to ensure they are drying evenly and not burning. To rehydrate, soak in warm water for about 15 minutes before using.

Are you looking to preserve the pungent, flavorful goodness of onions for your future culinary exploits? Our step-by-step guide on drying onions is your ultimate solution. This simple process transforms fresh onions into a versatile ingredient that can be used in a myriad of dishes, from soups and stews to casseroles and stir-fries.

Drying onions not only extends their shelf life but also concentrates their flavor, making them a valuable addition to your pantry. It's a straightforward process that requires minimal equipment - a sharp knife, a cutting board, a baking sheet, and an oven. Remember, the key to perfect dried onions is patience and a low, steady heat.

Once you've mastered this technique, you might be interested in exploring other methods of preservation. For instance, canning onions is another excellent way to store this vegetable for long-term use. This method involves sealing the onions in a jar and heating it to kill bacteria, yeasts, and molds that could cause spoilage.

If you're new to the world of canning, don't fret! We have a comprehensive guide on how to start canning food at home. This guide covers everything you need to know, from the equipment you'll need to safety precautions to keep in mind.

While drying and canning are fantastic ways to preserve onions, they're not the only methods available. For instance, pickling is a popular preservation technique that adds a tangy twist to the vegetable's flavor. If you're interested, check out this simple recipe for pickling red onions.

Lastly, if you're wondering how to store your dried onions, remember to keep them in an airtight container in a cool, dark place. This will ensure they retain their flavor and crispness for as long as possible. And if you're curious about how to use your dried onions, simply rehydrate them in warm water before adding them to your dish. They're a great time-saver and a wonderful way to add a burst of flavor to any meal.

So, why wait? Start exploring the art of preserving onions today, and unlock a world of flavor for your future culinary creations.