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Homemade oat flour made from rolled oats in a glass jar with wooden spoon

Easy DIY Oat Flour Recipe (Ready in 2 Minutes)

Marinela Malcheva
Easy DIY oat flour that's inexpensive and incredibly versatile. Learn how to make fresh whole-grain flour at home in 2 minutes or less!
Making homemade gluten-free flour from rolled (old-fashioned) oats is a simple process that requires 1 ingredient, and1 high-speed blender, and 1 quick step. It really is the best healthy substitute for all-purpose flour to use for your cooking and baking needs.
5 from 2 votes
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Prep Time 2 minutes
Total Time 2 minutes
Course plant-based staples
Cuisine Gluten-free, Vegan
Servings 8 servings (¼ cup each)
Calories 77 kcal

Equipment

  • 1 High-powered blender or food processor

Ingredients
  

  • 2 cups rolled oats

Instructions
 

  • Add oats to a clean, dry jug of a high-speed blender or food processor.
  • Blend for 15 seconds to 1 minute (this will depend on your appliance). Stop to check if it's coarse and blitz a few times more until you get a fine, powder-like consistency. Be careful not to over blend or it will get clumpy.

Notes

    • Store it in an airtight container, in the pantry, for up to 3 months. Make sure you keep it in a dry, cool, and dark place for maximum freshness. I like to use a sealed glass mason jar.
    • Before blending the oats, make sure that the blender cup is clean and dry to avoid any clumps and undesired texture.
    • Even though you can use quick or instant oats for this recipe, it's best to make your flour from plain, unflavored rolled oats for the greatest nutrition.
    • If you are using a blender with a wide base you may need to add more oats so they can be ground properly into a smooth flour.
    • While blending, stop to check if they are any unprocessed oats. Shake the blender cup and blitz again until everything is nicely blended.
    • 1 cup rolled oats yields almost 1 cup of flour (1 cup minus 1-2 tablespoons of flour). The end result depends on how finely you ground the oats.
    • If you are using oat flour to make any baked goods like muffins, pancakes or waffles let the batter rest for 5-10 minutes before using it in the recipe. This allows the flour to absorb the liquid, making the batter thicker and the baked goods lighter and fluffier.  
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Nutrition

Calories: 77kcalCarbohydrates: 14gProtein: 3gFat: 1gSaturated Fat: 0.2gPolyunsaturated Fat: 0.5gMonounsaturated Fat: 0.4gSodium: 1mgPotassium: 73mgFiber: 2gSugar: 0.2gCalcium: 11mgIron: 1mg
Keyword diy, gluten free flour, homemade oat flour, how to make oat flour, oat flour, recipe oat flour, rolled oats
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