Royal baking powder is a balanced, double-acting baking powder that is a gluten free product and Kosher. The Royal brand has been a trusted brand with bakers for many years. Baking powder is a chemical leavener that is used to make batters and doughs rise. Double acting baking powder means that the baking powder reacts twice: 70% once in the mixing bowl and 30% in the oven. Use baking powder for cakes, biscuits and quick breads. This 22 ounce can features a pop top and leveling edge for accurate measuring.