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Mason jar full of oat flour.

How to Make Oat Flour

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  • Author: Erin Jensen
  • Prep Time: 5 minutes
  • Cook Time: 1 minute
  • Total Time: 6 minutes
  • Yield: 1 cup 1x
  • Category: How-To
  • Method: Food Processor
  • Cuisine: American


How to Make Oat Flour – a simple, step-by-step tutorial that teaches you how to make oat flour at home! So easy to make!


  • 1 cup old-fashioned oats*


  1. Add oats to a blender. 
  2. Cover and blend on high up to one minute or until the consistency is fine.
  3. Remove and store in an air tight container for up to 3 months or in the freezer for 5-6 months.


  • *Gluten-Free Oats: if you are gluten-free ensure your oats are gluten-free certified.
  • Storage: in an airtight container for 3 months in the pantry or a freezer-safe bag in the freezer for up to 5-6 months.