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    Home » How To

    How to Make Oat Flour

    By Sarah Pilley Updated Feb 2, 2024 · Published Jan 24, 2024

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    This post may contain affiliate links. As an Amazon Influencer, I earn from qualifying purchases.

    Jump to Recipe Print Recipe
    Pin of oat flour with text in the middles that reads "hot to make oat flour at home"

    Learn how to make oat flour at home; it's quick, easy, and budget-friendly! Elevate your gluten-free baked goods or add whole grains to your treats with homemade oat flour.

    Oat flour on a spoon with a bowl of flour in the background and a jar of rolled oats.

    Unlock the culinary magic of oat flour!

    Ideal for pumpkin cookies, chickpea cookie dough, and oat waffles, this flour alternative adds a delightful texture to sweet treats.

    Oat flour shines as a cost-effective option without sacrificing taste.

    Looking to make more gluten-free flour at home? Learn how to make almond flour or toasty quinoa flour!

    Jump to:
    • Why should you make oat flour?
    • Which oats are best for homemade oat flour?
    • Equipment Needed to Make Oat Flour
    • How to Make Oat Flour
    • How to Store Homemade Oat Flour
    • How to Use Oat Flour In Recipes
    • Recipes to Make with Oat Flour
    • FAQ
    • 📖 Recipe
    • 💬 Comments

    Why should you make oat flour?

    • Cost-Effective - Making oat flour yourself is a budget-friendly alternative to purchasing oat flour.
    • Effortless Preparation - Making oat flour is easy to do with a food processor, requiring minimal effort in the kitchen.
    • Time-Saving - The process is quick, providing a speedy solution for your flour needs.
    Rolled oats in a measuring cup.

    Which oats are best for homemade oat flour?

    • Best Oats for Oat Flour
      • Rolled Oats (Old-Fashioned Oats) - Ideal for light and soft oat flour.
      • Quick Oats - Another excellent option for homemade oat flour with a fine texture.
    • Consideration for Steel Cut Oats
      • Possible but with Differences - While you can use steel cut oats, note that the resulting flour may have slightly different properties.
      • Adjustment Needed - If baking with steel-cut oat flour, you may need to use less flour due to variations in fiber content.

    Equipment Needed to Make Oat Flour

    When it comes to making oat flour at home, two primary options for equipment are the food processor and the blender.

    Blender vs. Food Processor

    Using a blender is the quickest way to achieve the finest oat flour. It efficiently grinds oats into a smooth consistency.

    On the other hand, a food processor also gets the job done, albeit with a slightly longer processing time (still less than 5 minutes) to ensure fine-textured oat flour.

    Alternative Methods

    While I haven't personally tested making oat flour without specialized equipment, it's possible to make oat flour manually!

    With a bit of extra effort, you could chop the oats by hand or grind them using a mortar and pestle.

    Though less efficient, these methods still allow you to create oat flour if you don't have a blender or food processor on hand.

    How to Make Oat Flour

    Oats in food processor.

    Place oats in a food processor or blender.

    Oats blended into flour in food processor.

    Blend for 2 to 5 minutes or until you have a fine oat flour!

    If you want to get really fancy, you could sift the flour to make it super fine.

    But otherwise, it is that simple!

    How to Store Homemade Oat Flour

    Store oat flour (which is essentially the same as rolled oats) in an airtight container in a cool, dark, dry place, such as your pantry.

    Use your oat flour by the same expiration date as the rolled oats you made it from.

    Oat flour in a mason jar with a spoon. Background has rolled oats on wood surface.

    How to Use Oat Flour In Recipes

    Oat flour adds a wholesome touch to recipes but is not a 1:1 substitute for all-purpose or gluten-free flour.

    Moisture Consideration

    Unless a recipe specifically calls for oat flour, adjustments are necessary due to oats' moisture absorption.

    Typically, you can substitute approximately 50% of wheat flour with oat flour in a recipe.

    Complete the flour blend by incorporating gluten-free all-purpose or almond flour for optimal results. This ensures a well-balanced and satisfying texture in your culinary creations.

    Recipes to Make with Oat Flour

    • Chickpea cookie dough dip in a bowl with more chocolate chips sprinkled over top. A pretzel chip is being dipped into it.
      Vegan Chocolate Chip Chickpea Cookie Dough Recipe
    • Gluten-free vegan pumpkin cookies with chocolate chips on a white plate. One pumpkin cookie has a bite taken out of it. Plate is on top of a red and white cloth.
      Gluten-Free Vegan Pumpkin Cookies with Chocolate Chips
    • Gluten-free vegan oat flour pancakes stacked on plate and topped with butter and syrup.
      Vegan Oat Flour Waffles (GF, Oil-Free)
    • 9 gluten-free vegan apple cider donuts on a wire rack on top of a wood background.
      Baked Apple Cider Donuts (Vegan and Gluten Free)
    • Tall stack of vegan oatmeal blender pancakes on a pin plate. Strawberries and chocolate chips are piled on top. Maple syrup is running down the stack.
      The Best Vegan Oatmeal Blender Pancakes
    • Chocolate covered chickpea cookie dough truffle with a bit taken out of it. The background shows more truffles.
      Vegan Chickpea Cookie Dough Truffles

    FAQ

    Is oat flour gluten-free?

    Yes! Oats are naturally gluten-free. However, it's important to note that cross-contamination risks can vary by brand with rolled oats. So opt for certified gluten-free oats if needed.

    How much oat flour does 2 cups of rolled oats make?

    The answer to this question is open to debate!

    Before making oat flour myself, I believed the resulting flour would be less in quantity than the initial amount of rolled oats.

    However, after carefully measuring before and after, I found it to be the same amount! This aligns with common sense since, in a recipe by weight, the quantity of oats remains constant; only the consistency changes when blended.

    So there you have it: 2 cups of rolled oats = 2 cups of oat flour!

    Is it cheaper to make your own oat flour?


    In general, yes! The only caveat is that if you don't already own a food processor or blender, that would be a relatively expensive investment.

    Assuming you already have a blender, making oat flour at home is undoubtedly more cost-effective.

    Simply compare the price per ounce: oat flour averages around $0.34/Ounce, while rolled oats can be as low as $0.11/Ounce.

    Pouring oat flour from a measuring cup into a bowl.

    Did you make this recipe?
    Please leave a rating and tell us how you liked it!

    📖 Recipe

    Oat flour on a spoon with more oat flour in the background in a bowl and rolled oats in a jar.

    How to Make Oat Flour

    Learn how to make oat flour at home; it's quick, easy, and budget-friendly! Elevate your gluten-free baked goods or add whole grains to your treats with homemade oat flour.
    5 from 5 votes
    Print Pin Rate
    Prep Time: 5 minutes minutes
    Total Time: 5 minutes minutes
    Servings: 2 cups
    Author: Sarah Pilley
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    Equipment

    • Blender or Food Processor

    Ingredients

    • 2 cups rolled oats

    Instructions

    • Place oats in a food processor or blender.
    • Blend for 2 to 5 minutes or until you have a fine oat flour!
    • To achieve an extra fine texture, you can sift the oat flour.
    • Otherwise, use as directed in your recipe. Enjoy!

    Notes

    See more expert tips and pictures above for making oat flour at home!
    Yield: 2 cups
    Storage: Store oat flour in an airtight container in a cool, dark, dry place, such as your pantry.
    Expiration: Use your oat flour by the same expiration date as the rolled oats you made it from.
    Use in Recipes: Unless a recipe specifically calls for oat flour, substitute approximately 50% of wheat flour with oat flour in a recipe. Complete the flour blend by incorporating gluten-free all-purpose or almond flour for optimal results.
    Gluten-Free Oat Flour: Oats are naturally gluten-free. However, it's important to note that cross-contamination risks can vary by brand with rolled oats. So opt for certified gluten-free oats if needed.
    Did you make this recipe? Share your experience! Mention @AlternativeDish on Instagram or Facebook, or drop a comment below—I'd love to hear from you!

    Nutrition

    Calories: 307kcal | Carbohydrates: 55g | Protein: 11g | Fat: 5g | Saturated Fat: 1g | Sodium: 5mg | Potassium: 293mg | Fiber: 8g | Sugar: 1g | Calcium: 42mg | Iron: 3mg

    This recipe has been updated with new pictures and tips. It was adapted from Maggie's recipe that was posted on February 24, 2020.

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    This post may contain affiliate links. As an Amazon Influencer, I earn from qualifying purchases.

    Pin of oat flour with text in the middles that reads "hot to make oat flour at home"
    Headshot of Sarah Pilley.

    Hi, I'm Sarah!

    I’m so excited you stopped by! I'm thrilled to share my passion for tasty vegan food with you on the Alternative Dish. I focus on creating recipes that everyone can enjoy with allergy-friendly tips! 

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