Need wheat-free gluten-free baking tips? Help is Here. Here's what works- and what doesn't- in quirky Gluten-Free Baking and Substitution Land. From Karina, Gluten-Free Goddess®. Baking Substitutions for Wheat-Free, Gluten-Free and More Notes on GF Flours: Gluten-free non-wheat flours generally fall into three basic weights- light starch, all-purpose medium, or heavier whole grain. A blend of medium and heavy flours with some starch mixed in to lighten, tenderize, and help bind the batter or dough works best, and tastes best (too much starch can result in a gummy texture). Light, starchy GF flours include sweet rice flour, white rice flour, and the ubiquitous gluten-free starches- tapioca starch, cornstarch, potato starch (NOT potato flour, which is whole different animal) and arrowroot starch. Medium flours are akin to 'all purpose flour'- these include sorghum flour, certified gluten-free oat flour, and superfine brown rice flour. If you cannot find sorg