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Home » Recipes » Plant-Based Food Guides

How to Make Homemade Oat Flour

Oat flour in a glass mason jar.
by Aly Michell Dated: February 23, 2019 Last Modified: June 18, 2025 Leave a Comment
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(This post may have affiliate links. Please see my disclosure.)
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I often use oat flour for kid-friendly, plant-based recipes for my two toddlers, it’s become a staple in our kitchen. Whether I’m whipping up banana oat pancakes for breakfast or baking a batch of soft muffins for snacks, oat flour is my go-to. It’s mild in flavor, easy to digest, and adds a hearty texture that my babies love.

Plus, I can make it in minutes using oats I already have in the pantry. I also love how versatile it is; we’ve used it in cookies, pancakes, and cookies.

Jump to:
  • What is Oat Flour
  • Why You’ll Love This
  • Step-By-Step Recipe
  • Tips for the Best Oat Flour
  • How to Use Oat Flour
  • How to Store Oat Flour
  • Recipes with Oat Flour
  • Frequently Asked Questions About Oat Flour
  • How To Make Oat Flour

What is Oat Flour

Oat flour is simply whole oats ground into a soft, fine powder. That’s it, just one ingredient that you can make at home in minutes. All you need are rolled or quick oats and a blender.

What makes oat flour special is that it keeps the whole grain intact. That means more nutrients, more fiber, and more flavor. It has a naturally mild, nutty sweetness that makes it perfect for baked goods.

Oat Bran Flour vs. All-Purpose Flour

Oat flour in a bowl.

Oat bran flour and all-purpose flour are both used in baking, but they come from very different parts of the grain. Oat bran flour is made from the outer layer of the oat, which means it’s richer in fiber and has a slightly more bitter taste. It’s often used when a denser, more filling texture is needed.

All-purpose flour, on the other hand, is highly refined and stripped of many nutrients. It has a neutral taste and a finer texture, which makes it versatile, but less nutritious. When comparing oat flour vs all-purpose flour, oat flour comes out on top for anyone looking to keep things wholesome and plant-based.

Is Oat Flour Healthy?

Yes, oat flour is a healthy option, especially when compared to refined flours. It’s packed with fiber, iron, protein, and important minerals like calcium and potassium.

These nutrients support digestion, heart health, and long-lasting energy. Because oat flour is made from the whole grain, it keeps more of its natural goodness, making it a smart swap for traditional white flour.

The Benefits of Oat Flour

Oat flour is one of the easiest flours to make at home, which means you can always have a fresh batch ready without spending extra money. It’s gluten-free (when made with certified gluten-free oats) and brings a soft, hearty texture to baked goods.

The flour holds moisture well, so it creates tender results in muffins, pancakes, and quick breads. Whether you’re using oat flour alone or mixing it with other flours, it’s a go-to for nutritious, satisfying meals.

Why You’ll Love This

Blended oats into a flour in a glass jar with a yellow ribbon.
  • It’s kid-friendly and budget-friendly. Oat flour is a gentle ingredient that’s great for toddlers and easy on your wallet. You can make it in under five minutes using oats you probably already have.
  • It’s naturally gluten-free. When you start with certified gluten-free oats, you get a flour that works for gluten-sensitive diets without losing texture or taste. Perfect for families who need allergy-friendly options.
  • It’s packed with nutrients. Oat flour keeps the good stuff like fiber, protein, and minerals. That means your baked goods won’t just taste good, they’ll give your body what it needs to thrive.

Step-By-Step Recipe

  1. Add oats to a blender. Use rolled or quick oats and pour them into a high-speed blender or food processor.
  2. Blend until fine. Blend on high for 30 to 60 seconds until the oats turn into a soft, powdery flour. Scrape down the sides as needed.
  3. Store or use immediately. Use right away in your recipe or transfer to an airtight container for later.

Tips for the Best Oat Flour

  • Use dry oats. Make sure your oats are completely dry before blending. Moist oats can clump and affect the texture of your flour.
  • Don’t over-blend. Blend just until you reach a fine texture.
  • Sift if needed. For extra smooth oat flour, especially for baking cakes or light muffins, sift the flour after blending to remove any larger bits.

How to Use Oat Flour

Oat flour with a milk pour and a whisk.

Oat flour can be used in so many ways. It’s great in pancakes, muffins, waffles, cookies, and even bread. While it doesn’t have the same structure-building power as wheat flour, it works well when paired with other flours or binders like flaxseed or chia. Try it in edible cookie dough, flatbreads, or even as a thickener in sauces and soups.

How to Store Oat Flour

Store oat flour in an airtight container in a cool, dry place. It will last about three months in the pantry. If you want it to last even longer, keep it in the refrigerator or freezer. Just bring it to room temperature before using it in recipes.

Recipes with Oat Flour

  • Baked oats topped with vegan chocolate chips
    Vegan Peanut Butter Protein Baked Oats
  • Small bowl of edible cookie dough balls with chocolate chips
    Healthy Edible Cookie Dough with Oats
  • Peanut butter oatmeal cookies with a side of vegan milk
    Peanut Butter Oatmeal Cookies (Gluten-Free + Vegan)
  • Stack of gluten-free banana vegan pancakes with vegan butter and syrup
    Gluten-Free Vegan Banana Pancakes

Did you try out this oat flour recipe? Please leave a comment below, share it, rate it, or tag a picture @plantbasedandbroke on Instagram and hashtag it #plantbasedandbroke. Show off that

Frequently Asked Questions About Oat Flour

Is oat flour gluten-free?

Oat flour is naturally gluten-free, but it can be cross-contaminated with gluten during processing. To be safe, choose oat flour labeled “certified gluten-free.”

What type of oats to use for oat flour?

You can use rolled oats, old-fashioned oats, or quick oats to make oat flour. Steel-cut oats also work but take longer to grind.

Where can I buy oat flour?

Oat flour is available at most grocery stores, health food stores, and online retailers. Look in the baking aisle or gluten-free section.

Is oat bran the same as oat flour?

No, oat bran is made from the outer layer of the oat groat, while oat flour is made from the whole oat. They differ in texture, nutrition, and usage.

Is oat flour healthier than all-purpose flour?

Oat flour contains more fiber and nutrients like iron and magnesium compared to all-purpose flour. It’s considered a more wholesome, whole-grain option.

Is oat flour just ground oats?

Yes, oat flour is simply oats that have been finely ground into a powder. You can easily make it at home using a blender or food processor.

Oat flour in a glass mason jar.

How To Make Oat Flour

Aly Michell
Learning how to make homemade oat flour is simple and only takes a few minutes. This quick and easy gluten-free recipe works with old-fashioned oats, oat bran, or even steel-cut oats. Just blend your oats until they reach a fine, flour-like consistency.
5 from 1 vote
Print Recipe Pin Recipe
Prep Time 1 minute min
Total Time 1 minute min
Course Side Dish
Cuisine American
Servings 8 servings
Calories 614 kcal

Ingredients
  

  • 2 cups old-fashioned oats Other types of oats may be used, texture may vary

Instructions
 

  • Pour oats into a high-speed blender. Blend until into a soft flour. To ensure the flour is clump-free, use a sifter. 
  • Store in an air-tight container or canning jar. Can be stored fresh for up to 3 months in a pantry.

Nutrition

Serving: 1jarCalories: 614kcalCarbohydrates: 110gProtein: 21gFat: 11gSaturated Fat: 2gPolyunsaturated Fat: 4gMonounsaturated Fat: 3gSodium: 10mgPotassium: 586mgFiber: 16gSugar: 2gCalcium: 84mgIron: 7mg
Tried this recipe?Tag @plantbasedandbroke on Instagram and show it off to us!

Did you try out this Oat Flour recipe?

Please leave a comment below, share it, rate it, or tag a picture @plantbasedandbroke on Instagram and hashtag it #plantbasedandbroke. Show off that creation with us.

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Category: All, Desserts, No Oil, Plant-Based Food Guides

About Aly Michell

Over 10+ years of plant-based eating and cooking on a budget!

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Hi, My name is Aly Michell! I create plant-based recipes that are easy, accessible, using everyday cookware.

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