This is the mixture I've been using for most of my gluten-free baking lately.
1 1/2 c rice flour
1 c sorghum flour
3/4 c tapioca flour
3/4 c potato starch
Mix together and store in an airtight container.
1 1/2 c rice flour
1 c sorghum flour
3/4 c tapioca flour
3/4 c potato starch
Mix together and store in an airtight container.