Est. 1941. www.spiceislands.com. Whole Mustard Seeds add bite and texture to salad dressings, condiments, sauces and dips. Add to potato salad and coleslaw before tossing. Blend crushed Mustard Seeds into lemon butter and drizzle over cooked fish, chicken or vegetable dishes. For a zesty flavor, gently toast Mustard Seeds and add to curry sauces, soups, stews and dips.