Purple sweet potato cake roll

2024-08-20 09:37:20 Cake

1. Pour the egg whites into the whisk bucket, beat until foamy, add lemon juice, and continue beating until foamy.

2. Add half of the sugar in three batches, and continue to stir until the sugar dissolves. You can also add half of the sugar at a time

3. Beat the egg whites until they are fluffy and will not drip when you lift the egg beater. Set aside

4. Add all the ingredients except the remaining flour to the egg yolks, mix well until the sugar dissolves

5. Sift in the low-gluten flour and starch, and mix evenly

6. The batter is best if it is fine and smooth. If it is not fine, pass it through a sieve

7. Add one-third of the meringue and mix evenly (do not stir)

8. Pour into the remaining meringue and mix well in the same way

9. Pour the mixed egg batter onto a baking sheet lined with greaseproof paper and smooth it out

10. After shaking to exhaust, place in the middle rack of the preheated oven and bake at 160 degrees for 20 minutes

11. When baking the cake, prepare purple sweet potatoes, peel them, wash them and cut them into thin slices

12. Steam in a pot of boiling water

13. Take out and press into puree, add butter, condensed milk and light cream, mix well and set aside

14. Take out the baked cake and place it on a drying net to cool

15. Apply purple sweet potato puree evenly

16. Use a rolling pin to roll up the wax paper, push the cake into a roll, and let it rest for a while to finalize

17. Take it out after about 10 minutes and cut into small pieces

18. Plate and serve with your favorite drink

19. Finished product picture

If the filling is whipped cream, wait until the cake is cool before applying it! The purple sweet potato filling can be applied hot.