Mrs. Butterworth's
NET WT 26.27 OZ (1.5 LB 2.27 OZ) 744g
Leavening, often called a leavening agent, is a term for any number of substances in a dough or batter that creates carbon dioxide bubbles that lighten the finished product. These can include everything from yeast to baking soda, to whipping egg whites, to steam, and more.