Perfect for frying fish and sausage batter, can also be use cakes and pancakes. Batter is a flour mixture with liquid and other ingredients such as sugar, salt, egg, milk and leavening used for cooking. Batters are a pourable consistency that cannot be kneaded. Batter is most often used for cake, pancakes and as a coating for fried foods. It is also used for a variety of batter breads.