How to Make OAT FLOUR

Get ready to transform your oats into long-lasting, versatile, and healthy oat flour!

Oat flour is a type of flour that’s purely made of ground oats. From whole oats, you can make a fine powder that’s gluten-free, useful, and healthy.

This type of flour has a nutty and mildly sweet flavor that gives baked goods a pleasant taste. Here, you will learn all about oat flour, from making it to storing it and more!

oat powder recipe

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If you can’t find oat flour in grocery stores, then just make it at home. It’s so easy and quick to make and it can help you save money and make the most out of your oats!

How to Make Oat Flour 

To make oat flour, all you need are rolled oats that are still ready to use. Always go for the best oats to get the best flavor and quality in your flour.

From these rolled oats, you can make fine, useful, and multi-purpose oat flour!

rolled oats

Health Benefits of Oat Flour

Not only is it versatile but oat flour is also healthy for you in many ways.

It supports weight loss

Oat flour is rich in vitamins to aid in metabolism. It can also be a great ingredient for diet meals to help you maintain your preferred weight.

Blood sugar control

According to a research study, this powder can be used by diabetics in their dishes. It has also been found to improve hyperglycemia.

Good for your heart

With healthy cholesterol levels, this condiment can help enhance your heart health in the long run. In fact, the flour’s fiber content will reduce the risk of heart complications.

Achieve better skin

Look and feel younger by gaining the benefits of oat flour for your skin. Moreover, this powder can help prevent skin problems to give you glowing skin from head to toe!

homemade oat powder prep


To make oat flour, you only need one ingredient:

Rolled Oats

Rolled oats play so many roles in your diet.

Oats are a type of cereal grain that is grown from seeds. These are staple foods in lots of cuisines all over the world because of how useful it is for so many drinks and dishes.

There are different kinds of oats like whole oats or oat groats, steel-cut oats, and even instant oats. Either of these can be good ingredients to turn into oat flour.

They have a firm texture and nutty flavor that softens easily when cooked. I often use them to make Oats Breakfast Smoothies and Granola Bars for consistency and taste.

Health Benefits of Oats

  • Eating oats can lower your cholesterol levels for good heart health.
  • WebMD shared that oats can support the grown of good bacteria in your gut, too.
  • You will find it easier to stabilize your blood sugar when you have oats in your diet.
  • Medical News Today found that oats can also relieve constipation and other digestive disorders.
  • Oats give you a feeling of fullness which helps you manage your weight.
oat powder prep

Oats are popularly used for breakfast meals like oatmeal and porridge. You can also use them for baked goods, smoothies, desserts, and granola.

Let us take rolled oats to a new level by converting them into flour! 


After learning this hack, you won’t ever have to buy oat flour again. 

  1. Pour the rolled oats into a blender or food processor.
  2. Blend on low or medium speed until fine.
  3. Then, filter the flour with a sieve.
  4. Store the contents in a resealable bag or container!

Trust me; you can do this even on your first try. Make sure to use quality rolled oats for amazing flavor and texture. Now, leftover rolled oats will never go to waste!


Buying rolled oats

  • Rolled oats are readily available in packages all year round in grocery stores.
  • Choose your preferred brand and variety. 

Storing rolled oats

According to Backyard and Homestead HQ, rolled oats are best stored in containers. Then, place them in cool and dry areas away from sunlight. 

Oat Flour Variations

jumbo oats

No matter how simple oat flour is, you can still make it in different ways.

I suggest using rolled oats but you can also use steel-cut oats, quick-cooking oats, and other varieties of your choice. Try all of them and see which one you like best.

If you don’t want to have a blender, then you can also use a food processor, grinder, mortar and pestle, and other similar tools. You can also put the oats in a resealable bag and pound them using a rolling pin

To add more flavor to the powder, you can combine it with nutmeg, cinnamon, allspice, powdered milk, and other condiments, depending on how you want it.

More Oat Recipes

  • Blender: Powderize the rolled oats using a blender. 
  • Sieve: Filter the contents using a sieve for a finer texture. 
  • Container or resealable bag: Store the contents in storage units.

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How to Use Oat Flour

There are many ways to use oat flour!

For instance, it is known as one of the best vegan and gluten-free alternatives when making pancakes, waffles, cakes, bread, fufu, and other pastries.

Sometimes, I also use it to make soups and stews thicker and creamier. In fact, you can mix it with water to make an egg substitute for your favorite porridge recipes.

When using this flour, note that it has a mildly sweet and nutty flavor. Add it to the right dishes to enhance flavor. Here are also some recipes where you can use it:

oat flour recipes

Storage Tips

At room temperature: Put the oat flour in a container and store it at room temperature for up to two months.

Make Ahead

In the fridge: Keep the flour in a container and refrigerate it for up to six months. 

To freeze: Put the powder in freezer bags and place it in the freezer to last up to a year. 

homemade oat flour recipe

Frequently Asked Questions

Is oat flour the same as oatmeal flour?

Oatmeal and oat flour are the same. Both are made of ground oats that are turned into a fine powder. They’re gluten-free alternatives for your favorite dishes and drinks.

How is oat flour made?

You can make oat flour simply by grinding oats until fine and powdery. There’s no need to add other ingredients, especially if you need it in natural form.

What is special about oat flour?

Oat flour is a powder made from whole grains of rolled oats. It is also a do-it-yourself hack that you can do for leftover oats. You can use it for baking, deep frying, and stewing.

It’s a special kind of flour because you can easily make it at home without much effort. It is absolutely organic, all-natural, and healthy!

Can I use oat flour instead of all-purpose flour?

You can substitute all-purpose flour with oat flour if it complements the recipe you plan on cooking one cup of plain flour is equivalent to 1 ⅓ cups of oat flour.

What is special about oat flour?

Oat flour is a special kind of flour because it’s gluten-free and rich in nutrients and flavor. It’s good for people who have celiac disease and gluten intolerance. In flavor, it tastes mildly sweet and nutty.

oat powder

Homemade Oat Flour (Plus Video)

5 from 1 vote
Make your own oat flour for baking and cooking your favorite recipes today with our step-by-step guide. It takes less than 5 minutes with just 1 ingredient!
Prep Time 5 minutes
Total Time 5 minutes
Course Condiment/spice
Cuisine Asia, European


  • rolled oats


  • Blend the oats.
    Pour the rolled oats into a blender and blend on low or medium speed until you achieve a fine powder consistency.
  • Filter the contents.
    Sieve the flour with a fine-mesh sieve. Put the contents in a resealable plastic bag or airtight container to store, and you’ve got long-lasting oat flour for baking, cooking, making smoothies, and more!



  • You can combine the oat flour with other powdered condiments like allspice and nutmeg for a better taste.
  • Use it as a thickener for porridge, soup, swallow foods, and other foods.
Keyword best oat flour, easy oat flour, fine oat flour, healthy oat flour, homemade oat flour, simple oat flour, super fine oat flour, useful oat flour

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