Zatarains Creole Mustard, 1 Gallon -- 4 per case. Zatarains Creole Mustard is one of the original products introduced by Emile Zatarains in the late 1800s. It is a coarse, stone ground mustard with a uniquely vibrant flavor that has earned it a place on many a New Orleans table and in many New Orleans po-boy sandwiches. Water, Vinegar, Brown Mustard Seed, Salt, Xanthan Gum. View Nutrition Fact