For updated, accurate country of origin data, it is recommended that you rely on product packaging or manufacturer information. ARGO Baking Powder – 60oz. Use wherever baking powder is called for in recipes. 60 ounce. KosherDouble-acting Baking Powder is a leavening agent used in many baked products. Use wherever baking powder is called for in recipes.Ingredients: Ingredients: Sodium Acid Pyrophosphate, Sodium Bicarbonate, Corn Starch and Monocalcium Phosphate. Directions: Instructions: Store in cool, dry place. ARGO Baking Powder, 60 Oz.