Based on a recipe from Bette Hagman’s, The Gluten-free Gourmet cookbook. She refers to this as “GF Mix” in her recipes, so I will, too. She says it’s a “heavy mix and leaves a slightly grainy taste in the baked product, but the mix exchanges cup for cup with wheat flour in adapting recipes. Because of its low protein count, you must add extra protein and/or leavening (egg whites, dry milk powder or a nondairy substitute, gelatin, or Egg Replacer).” This recipe has a long shelf life and may be stored at room temperature. For breads, add ¾ teaspoon xanthan gum per cup of flour; for cakes, add ½ teaspoon xanthan gum per cup of flour; and for cookies, add ¼ to ½ teaspoon xanthan gum per cup of flour.