Need oat flour for a recipe? It's so easy to make your own oat flour at home. The only things you need are rolled or quick oats and a food processor or blender.
Place oats into a food processor or high-powered blender and process until oats are ground into a fine, flour consistency.
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Notes
1 cup of oats will yield a scant 1 cup of oat flour. If you need 1 cup of oat flour for a recipe, I recommend processing 1 cup + 2 Tablespoons of oats.