Water-based bean paste is red beans that are boiled and smashed and then sieved or washed. There is no oil in it and there is no need to fry the water. It is generally used to make steamed buns, rice dumplings, bread and the like.
Oily bean paste requires more frying than water-based bean paste, that is, frying all the water in the bean paste, and adding peanut oil, maltose and other substances while frying. Generally speaking, oily bean paste Bean paste is often used to make moon cakes, egg yolk cakes and the like.