How To Make Oat Flour At Home

This is how to make oat flour at home using rolled oats and a blender or food processor. This is such an easy recipe to try when you want to replace regular flour with oat flour. The oats turn into a fine powder after a short blend time with a few pauses to move them around. The texture can range from slightly coarse to very smooth depending on how long it blends. Homemade oat flour starts with simple oats from the pantry and a quick process on the counter.

You can turn simple rolled oats into fresh oat flour right in your kitchen in just a few minutes. You get control over how fine the texture becomes based on how long you blend it for. Keeping small batches means the flour stays ready when you need it for baking days. I like to keep mine in mason jars and then it’s ready whenever I need it. You can also use a flour mill too if you have one to make your own oat flour.

How To Make Oat Flour

Why you will love making DIY oat flour

It uses just rolled oats, so there is no need for extra ingredients or store bought flour. The texture can be adjusted by blending a little longer or shorter so it fits different baking needs. It takes only a short time to go from whole oats to a fine powder ready for use. Store bought flour is fine, but grinding it yourself means you get exactly what you need for each recipe. Lately I’ve been really paying attention to ingredient lists and have cut back many different things that have questionable ingredients.

Ingredients For This Recipe

The best type of oats to make your own flour is old fashioned rolled oats.

Old fashioned rolled oats

Supplies For Making DIY Oat Flour

Food processor or spice grinder.

Mason jars or glass storage containers

How To Make DIY Oat Flour

Use about 1 cup of oats to make roughly 3/4 cup of oat flour.

• Blend or Process: Add the oats to a spice grinder or food processor. Blend on high until the oats turn into a fine, flour like consistency.
• Check the Texture: Stop and check the or any larger oat pieces. If needed, blend again until the flour is smooth and even.
• Sift (Optional): For an extra fine flour, pass it through a fine mesh sieve to remove any remaining coarse bits.
• Store Properly: Transfer the flour to an airtight container and store it in a cool, dry place. For longer freshness, keep it in the refrigerator or freezer.

Tips For Making Oat Flour

Use a high speed food processor

A food processor will create the finest, most consistent texture. You can also use a spice grinder but that will only make small batches at a time.

Oats are not a 1:1 substitute for regular flour

This type of flour absorbs liquid differently than all purpose flour. Adjust recipes accordingly or use a blend of flours for the best texture.

Frequently Asked Questions

How long will oat flour last?

Oat flour will last about 3 months when stored in an airtight container at room temperature. For longer storage, keep it in the refrigerator for up to 6 months or in the freezer for up to a year. Always check for any off smells or signs of moisture before using.

Do I use the same about of oat flour compared to white flour?

Oat flour can take the place of white flour in many recipes using a slightly different amount since it is lighter and absorbs more moisture. Start by using a little more oat flour by volume compared to white flour so the texture stays balanced in the mix. Add it in a bit at a time when doing a complete replacement. Batters may look a bit thicker at first, so a small splash of liquid can help bring it to the right consistency. Stir gently to keep the mixture smooth and even as it comes together.

Can oat flour be made without a blender?

Yes, oat flour can be made using a food processor or a grain grinder. The oats are added in small amounts so they break down evenly into a fine powder. A few short pulses help control the texture and keep everything moving smoothly. If any larger bits remain, another quick round brings it closer to a soft flour feel.

How fine should oat flour be?

Oat flour should feel soft, light, and powdery when rubbed between your fingers. The goal is a smooth texture with no visible oat pieces left. Blending a little longer helps reach a finer finish if needed. Passing it through a fine strainer can also remove any small flakes for a more even result.

Does oat flour need to be stored a certain way?

Oat flour stays freshest when kept in a sealed container away from moisture. A cool dry spot helps keep the texture light and ready for baking. Small batches work well so it is always used at its best quality. Stirring or shaking the container before use helps keep it even throughout.

More recipes to try

• oatmeal pancakes
• how to make oatmeal milk
• best grain mills for beginners

Did you know that you can also make your own homemade oat milk? Check out this guide on how to make oatmeal milk. And if you love making your own flour, check out the best grain mills for beginners.