Bob's Red Mill dense and powdery cornstarch comes right from the endosperm of the corn kernel. Cornstarch is a terrific ingredient for thickening puddings, pie fillings, sauces, soups and stews. It's also widely used in many cake and cookie recipes to produce finely textured baked goods. Cornstarch is often included in shortbread recipes, where it helps contribute a crumbly and tender texture in the finished product.