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Homemade Oat Flour Recipe

Creating your own oat flour is a simple and cost-effective way to add a healthy twist to your meals. Not only is it easy to make, but homemade oat flour also gives you the freedom to control the texture and quality of your flour. Ideal for baking and cooking, it offers a nutritious, whole grain alternative to traditional wheat flour.

Homemade Oat Flour Recipe
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Photos of Homemade Oat Flour Recipe

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The only ingredient required for this recipe is old fashioned oats. They are readily available in most supermarkets and can be found in the cereal or baking aisle. Old fashioned oats are preferred over instant oats due to their coarser texture which makes for a better consistency when ground into flour.

Essential Ingredient for Homemade Oat Flour

Old fashioned oats: These are whole oats that have been cleaned, toasted, hulled, and cleaned again. They offer a hearty texture and are ideal for making oat flour due to their ability to be ground into a fine powder.

One reader, Arron Withrow says:

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This homemade oat flour recipe is a game-changer! It's so easy to make and the results are fantastic. The flour is incredibly versatile and adds a lovely nutty flavor to my baking. Plus, it's a great way to sneak in some extra fiber and nutrients. I highly recommend giving it a try!

Arron Withrow

Techniques for Making Homemade Oat Flour

How to make oat flour: Blend old fashioned oats in a blender or food processor for about 1 minute and 20 seconds until the oats have turned into a fine flour. The flour is done when it feels like powder with a very slight texture.

How to store oat flour: Store extra oat flour in a labeled air-tight container for up to 3 months.

How To Make Homemade Oat Flour

Whip up a nutritious whole grain alternative to baked goods with this homemade oat flour. It has a nutty flavor, tender crumb, and is naturally gluten-free.

Preparation: 3 minutes
Total: 3 minutes



  • Old fashioned oats,or quick cooking oats, or steel cut oats, certified gluten free if necessary


  1. Fill the blender or food processor up to half-way with oats. *

  2. Blend for about 1 minute and 20 seconds until the oats have turned into a fine flour. The flour is done when it feels like powder with a very slight texture.

  3. Store extra flour in a labeled air-tight container for up to 3 months.

Recipe Notes

* Keep in mind that 1 cup of old-fashioned or quick-cooking oats yields about 1 cup of flour, whereas 1 cup of steel-cut oats yields about 2 cups of flour.


    Helpful Technique for Homemade Oat Flour Recipe

    To ensure your oat flour has a consistent texture, make sure to stop the blender or food processor every 20 seconds and stir the oats. This will help all the oats to get evenly ground and prevent any large pieces from remaining.

    Time-Saving Tips for Homemade Oat Flour

    Use a high-speed blender: Using a high-speed blender can help you achieve a finer oat flour in a shorter amount of time.

    Blend in bulk: Make a large batch of oat flour at once and store the extra flour in an airtight container for future use.

    Sift the flour: Sifting the oat flour after blending can help achieve a finer texture and remove any larger pieces for a smoother consistency in your recipes.

    Use a food processor: If you don't have a high-speed blender, a food processor can also be used to grind the oats into flour, although it may take a bit longer.

    Buy pre-made oat flour: If time is a major concern, consider purchasing pre-made oat flour from the store to save time on the grinding process.

    Opt for quick oats: Quick oats can be used to make oat flour more quickly than old-fashioned oats, as they are already partially ground and will require less blending time.

    Grind oats in advance: Pre-grind a large batch of oats and store them in an airtight container, so you always have oat flour readily available for your recipes.

    Use a coffee grinder: A coffee grinder can be used to grind oats into flour quickly and efficiently, especially for small batches.

    Substitute Ingredients For Homemade Oat Flour Recipe

    • old fashioned oats - Substitute with almond flour: Almond flour can be used as a gluten-free alternative to oat flour and provides a nutty flavor to baked goods.
    • old fashioned oats - Substitute with quinoa flakes: Quinoa flakes can be used as a gluten-free substitute for oat flour and add a slightly nutty flavor to recipes.

    Presenting Your Homemade Oat Flour

    1. Elevate the oat flour: Present the oat flour in a small, elegant bowl or a decorative jar to showcase its fine texture and natural color.
    2. Incorporate visual contrast: Pair the oat flour with vibrant, fresh berries or edible flowers to add a pop of color and visual appeal to the presentation.
    3. Utilize precision: Use a sifter to dust a light layer of oat flour over the plated dish, demonstrating attention to detail and finesse in the presentation.
    4. Emphasize simplicity: Keep the plating minimalistic, allowing the oat flour to take center stage and speak for itself in its pure form.
    5. Highlight versatility: Showcase the oat flour in various recipes, such as baked goods or savory dishes, to demonstrate its adaptability and culinary potential.

    Essential Tools for Making Oat Flour at Home

    • Blender or food processor: A blender or food processor is used to grind the oats into a fine flour. It helps to achieve the desired texture for the oat flour.

    • Air-tight container: An air-tight container is essential for storing the homemade oat flour, keeping it fresh for up to 3 months.

    Storing and Freezing Your Homemade Oat Flour

    • Once you've made your oat flour, transfer it to an airtight container or resealable bag. Make sure to label the container with the date so you can keep track of freshness.

    • Store the oat flour in a cool, dry place like your pantry or cupboard. It will stay fresh for up to 3 months when stored properly.

    • If you want to extend the shelf life of your oat flour, you can store it in the refrigerator. Place the airtight container or resealable bag in the fridge, where it will keep for up to 6 months.

    • For even longer storage, you can freeze your oat flour. Transfer the flour to a freezer-safe container or resealable bag, removing as much air as possible before sealing. Frozen oat flour will maintain its quality for up to 12 months.

    • When you're ready to use the frozen oat flour, let it thaw completely at room temperature before using it in your recipes. Once thawed, use the flour within a few days for the best results.

    • To prevent clumping and maintain freshness, consider adding a food-safe desiccant packet to the container of oat flour. This will absorb any excess moisture and keep your flour dry.

    How To Reheat Leftover Oat Flour Recipes

    • The best way to reheat leftover homemade oat flour is to simply store it in an airtight container at room temperature. Oat flour does not require reheating as it is a shelf-stable ingredient that can be used directly in recipes.
    • If your oat flour has been exposed to moisture or has clumped together, you can spread it out on a baking sheet and place it in a preheated oven at 150°F (65°C) for 5-10 minutes. This will help to dry out the flour and restore its texture.
    • Alternatively, you can place the oat flour in a microwave-safe bowl and heat it on high power for 30-second intervals, stirring between each interval, until the flour has reached your desired temperature and consistency.
    • If you have stored your oat flour in the refrigerator or freezer, allow it to come to room temperature before using it in recipes. Cold oat flour may affect the texture and rise of baked goods.
    • Remember, oat flour is best used fresh, and reheating is not typically necessary. If you have any doubts about the quality or freshness of your oat flour, it is best to discard it and make a new batch to ensure the best results in your recipes.

    Interesting Fact About Homemade Oat Flour

    Oat flour is a great gluten-free alternative to traditional flour and can be used in a variety of recipes, such as pancakes, muffins, and cookies. It is also a good source of fiber and can help to lower cholesterol levels.

    Is Making Oat Flour at Home Cost-Effective?

    This homemade oat flour recipe is highly cost-effective for a household. Oats are an affordable and versatile ingredient, and making oat flour at home is a budget-friendly alternative to purchasing pre-made flour. With a Verdict rating of 9, this recipe offers great value for money. The approximate cost for a household of 4 people is around $2, making it an economical choice for those looking to incorporate healthy, gluten-free flour into their cooking and baking repertoire.

    Is Homemade Oat Flour Healthy or Unhealthy?

    This homemade oat flour recipe is incredibly healthy and nutritious. Here's why:

    • Oats are a whole grain, packed with fiber, protein, and essential vitamins and minerals. They are known to lower cholesterol, reduce the risk of heart disease, and promote digestive health.
    • By making your own oat flour, you control the ingredients and avoid any additives or preservatives often found in store-bought flours.
    • Oat flour is naturally gluten-free, making it a great alternative for those with gluten sensitivities or celiac disease.

    To make this recipe even healthier, consider the following suggestions:

    • Use organic old-fashioned oats to ensure you're getting the purest, most nutrient-dense ingredients possible.
    • Experiment with adding other nutrient-rich ingredients to your oat flour, such as ground flaxseed, chia seeds, or protein powder for an extra boost of fiber, omega-3 fatty acids, and protein.
    • When using your homemade oat flour in recipes, pair it with other wholesome ingredients like fresh fruits, vegetables, and healthy fats to create well-rounded, nourishing meals and snacks.
    • Consider using your oat flour as a base for healthy baked goods, such as muffins, pancakes, or bread, and sweeten them naturally with ripe bananas, applesauce, or honey instead of refined sugars.

    Editor's Opinion on Making Oat Flour at Home

    This homemade oat flour recipe is a great way to make your own gluten-free flour at home. It's simple, cost-effective, and allows you to have control over the quality of the flour. The instructions are clear and easy to follow, and the flour can be stored for a decent amount of time. Using homemade oat flour can add a unique flavor and texture to your baked goods, making it a versatile ingredient to have on hand. Overall, this recipe is a fantastic option for those looking to experiment with gluten-free baking or simply want to try something new in the kitchen.

    Enhance Your Homemade Oat Flour Recipe with These Unique Side Dishes:

    Roasted Vegetables: Try serving the oat flour with a side of roasted vegetables for a healthy and filling meal.
    Grilled Chicken: Pair the oat flour with some juicy grilled chicken for a delicious and protein-packed dish.
    Fruit Salad: For a light and refreshing option, serve the oat flour with a side of colorful fruit salad.
    Creamy Soup: Warm up with a creamy soup alongside the oat flour for a comforting and satisfying meal.

    Alternative Recipes to Homemade Oat Flour

    Creamy Tomato Basil Soup: This creamy tomato basil soup is the perfect comfort food for a cozy night in. It's rich, flavorful, and easy to make.
    Grilled Peach Salad: Grilled peaches add a delicious smoky sweetness to this refreshing summer salad. Topped with a tangy vinaigrette, it's a perfect balance of flavors.
    Garlic Butter Shrimp Pasta: This garlic butter shrimp pasta is a quick and easy weeknight dinner that's packed with flavor. The combination of garlic, butter, and shrimp is simply irresistible.

    Why trust this Homemade Oat Flour Recipe:

    This homemade oat flour recipe offers a simple and cost-effective way to create a versatile ingredient for a variety of dishes. By using only old fashioned oats, this recipe ensures that the flour is free from any additives or preservatives, promoting a healthier and more natural option. The step-by-step instructions provide a clear and easy process for transforming oats into a fine, high-quality flour, allowing users to have full control over the texture and consistency. With the ability to store the extra flour for up to 3 months, this recipe offers convenience and flexibility, making it a trustworthy and practical choice for home cooks.

    Want to learn more about making your own oat flour at home? Join the discussion in the Cooking Techniques forum and share your experience with this Homemade Oat Flour Recipe!
    How can I use oat flour in my recipes?
    Oat flour can be used as a substitute for all-purpose flour in many recipes, such as pancakes, muffins, and cookies. It adds a nutty flavor and a slightly denser texture to baked goods.
    Can I use oat flour for gluten-free baking?
    Yes, oat flour is naturally gluten-free, making it a great option for those with gluten sensitivities or celiac disease. However, it's important to ensure that the oats used to make the flour are certified gluten-free to avoid cross-contamination.
    What is the best way to store homemade oat flour?
    To maintain its freshness, store homemade oat flour in an airtight container in a cool, dry place. It can also be stored in the refrigerator or freezer for extended shelf life.
    Can I use oat flour as a thickening agent in sauces and soups?
    Oat flour can be used as a thickening agent in sauces and soups, similar to how you would use all-purpose flour or cornstarch. However, it may impart a slightly nutty flavor to the dish.
    How do I adjust recipes when using oat flour?
    When substituting oat flour for all-purpose flour in recipes, it's best to start by replacing only a portion of the flour to gauge the texture and flavor. Oat flour tends to absorb more moisture, so you may need to adjust the liquid content in the recipe accordingly.

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