Breast is a mixture of powders that is used as a lifting agent in pastry and cooking. It is mainly composed of baking soda, acid (generally lemon juice or tartaric acid) and flour. The baking powder is used to raise cakes, pancakes, breads and cookies, and it is often used in conjunction with baking powder to obtain a better result. It is also used in the preparation of certain types of pizza dough and cabbage dough.