In general, she says, homemade or store-bought cup-for-cup flour blends are a trusty substitute for cakes ... including Jeffrey Larsen of “Gluten-Free Baking at Home” and Aran Goyoaga of ...
Egg whites can serve as a fantastic yeast substitute ... especially in gluten-free recipes. When combined with baking soda, its high-acid content promotes rising. If the store-bought version ...