Ener-G Egg Replacer is an egg substitute made with potato and tapioca starch with only 10 calories per serving. Ener-G Egg replacer is used strictly for baking and is 100% egg-free (contains NO eggs nor animal protein). Additionally - it is also gluten-free - wheat-free - casein-free - dairy-free - yeast-free - soy-free - tree nut-free - peanut-free - sodium-free - cholesterol-free and is low in protein. It mimics what eggs do in baking recipes so it's perfect for people who cannot have eggs - replacing whole eggs - egg whites - and egg yolks in baking. 16 ounces is equivalent to approximately 100 eggs.