For homemade gluten-free all-purpose gluten free flour (yield 40 oz all-purpose gluten-free flour)
8 oz brown rice flour
8 oz millet flour
8 oz sweet rice flour
8 oz white rice flour
3 oz cornstarch
3 oz tapioca starch
2 oz potato starch
Mix all flour well in a container or a gallon zip-lock bag. Store in freezer.
The store-bought all-purpose gluten-free flour will work for this recipe as well.
You can also find how to make your own gluten-free flour mix from grains from one of my blog post.