Process of Making Onion Powder by Grinding Onion Granules

If you’re anything like the majority of people, you’ve experimented in the kitchen with onion powder at some time. It doesn’t matter whether you put it in the dish before you cook it or if you sprinkle it on top; onion powder is an essential component in a wide variety of recipes.

The process of making white onion granules adds the perfect flavor to any meal because it is herbal, sweet, and adaptable. It will stay in any pantry for over a year if dried correctly. This article will provide the steps to how to make onion powder by crushing onion granules. You will also be able to manufacture onion granules for beginners.

To make onion granules, first chop the onion into little pieces, and then put it in a coffee grinder, a food processor, or a mortar and pestle, depending on your preferred method of grinding. Be careful to pulse the onion until it reaches a consistency similar to a fine powder. Keep reading for more information!

What you must use a variety of onion combinations?

Any variety of onions can be used to make homemade onion powder. You often grow red or white onions, contributing to the sweetness of the onion powder you produce. Additionally, all onions’ green leaves could be dried and ground into powder along with the remaining onion! Small, sweet, large, sour, yellow, red, and white.

You can make your onion powder (using a dehydrator or oven) at any time of the year using either newly picked onions or onions you’ve been keeping from the previous harvest. It is also a fantastic way to handle onions that must be used immediately but have become a little softer.

The procedure of creating onion powder is straightforward

Onion skin should be removed after washing. If the greens are still attached, keep them as well to dry! Peel the onions first, then finely cut them with a chef’s knife after peeling them. The onion slices should be laid on a tray, dried out in a food dehydrator, or heated to 150 degrees. Slice onions into 1/8- to 1/4-inch pieces, then arrange them on the dehydrator racks to avoid touching. If you can readily crumble the sliced onion bits in your hand, the dehydrated onions are successfully done.


It’s time to grind up those crunchy, dried onion chunks. You can carry out this in a coffee grinder, food processor, or blender. The end product is a really fine, frothy onion powder. Pulse and grind until all the chunks have been broken up. To obtain all the wonderful stuff left behind, carefully scrape the sides and the top of your mixer.


Put your completed ground onion powder in an airtight jar to store it. You can use pint-sized or half-pint mason jars based on how much you make. Reusing old spice jars is also a good idea! To prevent spilling your priceless products, use a funnel. 

Homemade onion powder lasts up to a year while kept in an airtight jar! It’s good that onions grow faster than garlic because you can replace your supply by making many batches yearly. People have used onion powder that was a year old and still appreciated it.

Shelf Life

Keep your final onion powder in an airtight container in a cold, dry location. Any surplus can also be frozen. During the initial week, shake the jar at least once a day to prevent it from globbing, as recommended with just about any dried spice or herb. Shaking also evenly distributes any residual moisture and stops the growth of mold.

To prevent you from mistaking it for other spices, such as garlic powder, mark the jar. A discarded spice jar covered with painter’s or masking tape makes an affordable alternative. These tapes are simple to remove and won’t leave a sticky residue. However, they hold well till you wash the jar once again.

Amazingly, onion powder has a long shelf life. Three to four years is possible for a powder to dry commercially. Your homemade version might not, though, because of the high criteria. The onion powder should remain tasty for up to a year in a tightly sealed container, based on how well it was dried. Given how simple and inexpensive it is to create, you could do it twice a year.


Onion powder takes 12 hours to simmer after 30 minutes of total preparation. The steps mentioned above can be used to manufacture homemade onion powder. You can include it in homemade sourdough or herb sourdough pizza crust, guacamole, fresh salsa, sautéed vegetables, salad dressing, tomato and pasta sauce, curry lentils, soups, hummus, and egg dishes. There are countless possibilities!

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