I mix this together and store in an airtight container to have on hand for all my GF baking. Because GF flours settle more than traditional flour I don't use measuring cups for making my flour blend. Any kitchen scale that measures in grams will work for this. You can play with what flours you use-see http://glutenfreegirl.com/2012/07/how-to-make-a-gluten-free-all-purpose-flour-mix/ for more ideas and explanation of the 40/60 ratio
Measure all flours using a kitchen scale in a large air tight container.
I just out the lid on and shake until fully mixed. I also shake it well before each use.
I use this cup for cup when substituting for regular flour in recipes.
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