This is a really wonderful flour mix for general baking...
WENDY WARKS FLOUR MIX
You can buy this mix from The Gluten Free mall or your local retailer. Authentic Foods Multi-blend Gluten Free Flour Mix. I recommend this route as they grind their flours much finer than most, eliminating the gritty texture that is the bane of GF baking. Or you can make your own (which I do, still using Authentic Foods flour for the fine texture but double and triple the amounts if I plan on baking frequently.)
1 cup brown rice flour (requires refrigeration)
1¼ cup white rice flour
¼ cup potato starch flour
2/3 cup tapioca starch flour
¾ cup sweet rice flour
1/3 cup cornstarch
2 teaspoons xanthan or guar gum
The following is taken from Celiac.com and is written by Karen Roberts:
I often use only brown rice flour in the mix as it is healthier and better tasting. I buy at least 5 pounds every time I order (from manufacturers that sell a lot of brown rice flour). I keep it refrigerated and highly recommend it over white rice flour. This flour mix is the basis of many of my sweets, breadsticks, tortillas, waffles etc. I also like to use pure buckwheat, amaranth, and quinoa flour to increase the flavor and healthfulness of certain items. It is important to buy these alternative flours from pure, gluten-free sources. Pure in the sense that they are grown in fields that are not adjacent to wheat fields and that they are processed in a 100% gluten-free environment from the field to your table.
Triple this flour mix recipe and keep it on hand for all of your baking needs. Once you have the flour mix together you are ready for about a months worth of gluten-free baking.
The Multi Blend Gluten-Free Flour mix is used cup for cup in recipes such as tortillas, pancakes/waffles, and cookies. If you plan to use this flour mix for cakes, sweet breads or brownies add an additional ½ teaspoon of xanthan gum per cup flour mix. I don’t use this flour mix for bread, pizza crust, breadsticks, etc. as they require specific flour combinations for the best results