Cooking Steps

1. 

   Step1:Melt butter in water. Let it coo

2. 

   Step2:Add milk, eggs and sugar powder to the butter. Mix i

3. 

   Step3:Continue to add sweet potato powde

4. 

   Step4:Knead well. Baggin

5. 

   Step5:Preheat oven. 180 ℃ for 20 minute

6. 

   Step6:Coming ou