Colman's Dry Mustard Powder, 16 Ounce Tin.  Colman’s have been making fine quality mustards in the UK for over 180 years. Mix with any cold liquid (water, wine, beer) to serve as prepared mustard. Best mixed with equal amounts of cold liquid and powder, leave to stand for 10 minutes to allow the full flavor to develop. Use dry to spice up salads, vinaigrette dressings, and mayonnaise, as well as to add a kick.  Colman's Double Superfine Mustard Powder is a pre-prepared blend of brown and white mustard seeds. Perfect for making vinaigrettes, salad dressings, sauces, and spice rubs, this mustard powder has a zesty flavor.  Colman's Dry Mustard Powder is a uniquely prepared blend of mustard seed that produces a flavorful heat sensation. Dry Mustard Powder is intended as an ingredient and not a stand alone condiment. A product of the UK.