This is my well-tested Gluten-Free Flour Blend for making your own homemade gluten-free bread, flatbread, focaccia, pizza crust, and more! It's easy to make, scale to how much you need, and has no gums or additives.
Whisk all of the starches and flours together very throughly. Store in an airtight container. If you won't use it quickly, store in the refrigerator or freezer for freshness.
8 oz. (226g) potato starch, 8 oz. (226g) tapioca flour, 18.5 oz. (524g) brown rice flour, 18.5 oz. (524g) sorghum flour
To use gluten-free bread flour:
Add up the amount of all of the starches/flours called for in any of my gluten-free bread recipes and replace the entire amount with this gluten-free flour blend.