Whole Mustard Seeds, add bite and texture to salad, dressings, condiments, sauces and dips. For a zesty flavor, gently toast Mustard Seeds and add to curry sauces, soups, stews and dips. In its raw form, mustard is somewhat tame. It takes water or another nonacidic liquid to activate myrosinase, the enzyme responsible for that classic hot mustard taste.