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homemade oat flour in a jar with a wooden spoon

Homemade Oat Flour

Course: Dressings, Seasonings, etc.
Cuisine: Gluten-Free, Sugar-Free, Vegan
Keyword: homemade oat flour
Oat flour is a frugal and delicious addition to all your gluten-free baking. Learn how to make oat flour and how to use it with these simple instructions.
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  • Place oats in a blender or food processor. If using a food processor, add only up to the halfway mark, and for a blender, add to about one-third full at most.
  • Process until the oats turn into a fine flour.
  • Pause to scrape down the sides and stir as necessary.
  • If you want to make sure that there are no larger particles in your flour, sift with a fine mesh sieve and discard the remainder or put in another container for future grinding.


The final consistency of the oat flour should feel like a powder rather than granulated. If you feel grains or the texture feels like sand, continue processing until it's a smooth powder.