Frontier Herb Mustard Seed Organic Powder Yellow Ground - Single Bulk Item - 1lbFrontier co op organic ground yellow mustard seed adds a pungent kick to your favorite sauces, condiments, pickles and main dishes. Combine our ground mustard seed with other herbs and spices to create custom blends for rubs and marinades. This 16 oz. Package of non irradiated yellow mustard is milder than brown mustard varieties, and is both kosher and organic to conform to your dietary needs. country of origin : united states is kosher : yes organic