Purple sweet potato polka dot cake

Overview

Compared with sponge cake, chiffon cake roll is relatively easy to make, and you can add various ingredients to make it into various patterns. This purple sweet potato polka dot cake roll is one of them. I will try other patterns in the future.

Tags

• baking
• children
• breakfast
• afternoon tea
• cake roll
• cake mix
• corn oil
• egg
• white sugar
• water

Ingredients

Steps

1. 1 Beat the separated egg yolks in a bowl

   

2. 2 Add water and corn oil and mix well

   

3. 3 Sift in cake flour and mix into egg yolk paste

   

4. 4 Take a small amount of egg paste and add a little purple sweet potato starch

   

5. 5 Mix well

   

6. 6 Add 2 drops of white vinegar to the egg whites, add sugar in three batches and beat with an electric egg beater until wet peaks

   

7. 7 Take a little egg white and add it to the egg batter with purple sweet potato and mix well

   

8. 8 Put the purple potato egg paste into a piping bag and pipe it into a baking tray lined with greaseproof paper

   

9. 9 Bake in the oven at 160 degrees for about 3 minutes, take out after setting

   

10. 10 Pour the remaining egg white into the egg yolk batter, cut up and down and mix evenly

    

11. 11 Then pour it into the baking pan

    

12. 12 Bake in the oven at 160 degrees for 60 minutes

    

13. 13 Roll up the baked cake while it's hot and refrigerate for 1 hour to set

    

14. 14 When the time is up, take it out and remove the oil paper

    

15. 15 Cut into sections and serve