Sumac Ground 5oz Sumac is a ground seed that has a sour, tart and salty taste. It is used as a seasoning on rice, marinades and rubs for meat and poultry in Persian cuisine. Ingredients: Ground Sumac, Salt ÒAllergen: Packed on shared equipment with wheat, tree nuts, soy and sesame.Ó Kosher: RCC Packaged in USA, PET bottle with shaker top