Pandaren Healthy and Delicious Purple Sweet Potato Cake Roll
1.
1. Soak the egg whites and add sugar for the first time.
2.
2. Add the remaining powdered sugar twice and beat until neutral foaming. There is no need to get dry foaming like chiffon, it is easy to crack when rolled, and of course there are other reasons for cracking.
3.
3. Add 20 grams of sugar to the egg yolk and beat until it turns white.
4.
4. Add milk and water in turn and stir thoroughly.
5.
5. Sift in low powder.
6.
6. Stir thoroughly evenly.
7.
7. Take one third of the meringue and the egg yolk paste and mix well.
8.
8. After mixing, pour it back into the meringue and mix evenly.
9.
9. Pour into the mold, shake it two or three times, and then scrape it flat.
10.
10. Put it in the preheated oven at 180 degrees for 20 minutes.
11.
11. Bake and take out.
12.
12. The demoulding is covered with greased paper.
13.
13, smear purple potato puree. (Purple sweet potato peeled, sliced and steamed, while hot, add a little butter, sugar and milk to make a puree)
14.
14. Roll it up with oiled paper and slice it after shaping.