2. The cake is not ripe.
3. Opening the oven door in the middle of baking causes the cake to collapse.
4, waterproof is not done well, resulting in too much water vapor entering the cake body, and the cake as a whole is too wet.
Ancient breakfast cake means ancient in Minnan dialect. This kind of cake has the oldest traditional flavor, and its taste is more moist, delicate and elastic than Qifeng. Qifeng cake is a dessert, which belongs to sponge cake type. The main raw materials are vegetable oil, eggs, sugar, flour and baking powder. However, due to the lack of rich flavor of cream cake, Qifeng cake usually needs rich ingredients such as juice or chocolate and fruit. The difference between ancient breakfast cake and Qifeng: ancient breakfast cake used hot noodles and water bath. In the process of making Qifeng cake, the explosive force is great, so the climbing is higher than that of ancient breakfast cake. Because of the high humidity of ancient breakfast cakes, they are not as easy to fill as ancient breakfast cakes. In terms of taste, because the humidity of ancient breakfast cakes is relatively high, the taste of ancient breakfast cakes is delicate and the overall texture is relatively dense. But Qifeng cake will feel soft to eat and more elastic to the touch.