How to make purple sweet potato sponge cake roll

Disease comes silently, and it is very likely caused by us always eating out indiscriminately. We should take this as a lesson. The following is an introduction to purple sweet potato sponge cake roll. We will cook it ourselves in the future.

The method of making the delicious purple sweet potato sponge cake roll that I’m introducing today is actually not difficult. As long as you try it carefully, you can definitely achieve the effect you want and enjoy delicious food!