Slag cake, if you look carefully, is relatively complete, bulging and thick. The material is not rubbed up, but sprinkled up, and it will fall off after eating.

Sauce-flavored cakes are thin, spread with sauce first, and then pressed in a pressure cooker to taste. Generally, sauced cakes are more popular. Eating dregs is too troublesome and easy to drop. Sauced cakes are cut into bags, which is more convenient to eat. It is recommended to eat soy sauce cakes.