Cooking Steps

1. 

   Step1:Get all the ingredients read

2. 

   Step2:Add proper amount of water to the pot. Steam the purple potato for about 15 minutes and prepare for steaming

3. 

   Step3:Put two eggs in the bow

4. 

   Step4:Then add proper amount of cocoa powder and water and stir evenly for standb

5. 

   Step5:Put the steamed sweet potato into the plate and add some milk to mix for standb

6. 

   Step6:Add some oil to the pot and heat it up, then pour in the cocoa powder just stirred until it is ready to form

7. 

   Step7:Attention - light fire. The fire is bigger. The cake is burn

8. 

   Step8:Spread the purple potato on the loaf. Use a spoon to grind it a little

9. 

   Step9:Then roll up the cake a little bit and shape i

10. 

    Step10:Finally, cut into pieces with a knife. It's still deliciou