Cake is an ancient western pastry, which is usually made in an oven. Cake is made of eggs, sugar and wheat flour as the main raw materials. Milk, fruit juice, milk powder, fragrant powder, salad oil, water, shortening and baking powder are used as auxiliary materials. After stirring, concocting and baking, it is made into a sponge-like snack. Cake is a kind of pasta, usually sweet. A typical cake is made by baking. Cake materials mainly include flour, sweetener (usually sucrose), binder (usually eggs, which vegetarians can replace with gluten and starch), shortening (usually butter or margarine, and cakes with low fat content will be replaced with concentrated juice), liquid (milk, water or juice), essence and starter.