Homemade Oat Flour Recipe

Yields: About 1 cup
Prep Time: 5 minutes


  • 1 cup rolled oats (old-fashioned oats are best)


  • High-powered blender or food processor


  • Add oats to blender: Place the rolled oats in your blender or food processor.
  • Process to a fine powder: Blend on high speed until the oats have transformed into a fine, powdery flour. This should take about 30-60 seconds. Avoid over-blending, as this can make the flour clumpy.
  • Check for consistency: Stop the blender occasionally and give it a shake to help dislodge any unblended oats from the sides. Continue blending until the flour is uniform.
  • Storage: Store your homemade oat flour in an airtight container in a cool, dry place for up to 3 months. It can also be frozen for longer storage.


  • Gluten Free: Make sure your oats are certified gluten-free if necessary.
  • Avoid steel-cut or quick oats: Steel-cut oats are too hard and won’t blend as finely, and quick oats might create a denser flour.
  • Batch size: For larger batches, it’s sometimes better to blend in smaller portions to ensure everything gets processed evenly.

How to Use Oat Flour:

  • Pancakes, waffles, muffins, cookies: A great substitute for some or all of the regular flour in baking recipes.
  • Thickening agent: Add a small amount to soups or sauces as a thickener.
  • DIY beauty products: Mix with other ingredients for simple face masks or scrubs.


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