Ingredients: 70g of cake flour, 20g of corn starch, 3 eggs, 200g of plain yogurt and 30g of sugar. Accessories: 5 drops of lemon juice.

1, preparation of various ingredients.

2. Separation of egg yolk and protein.

3. Add homemade yogurt to the egg yolk.

4. Add vanilla extract after mixing evenly.

5. Sift in corn starch.

6. Sift in the cake powder.

7. Stir well until it is fine and free of particles, and set aside.

8. Add a few drops of lemon juice to protein.

9. Add sugar three times.

10, sent to Dagouzhou.

1 1. Add the beaten protein into the egg yolk paste twice.

12, using the method of stirring and cutting, adding protein once at a time.

13, the bottom of the movable bottom die is wrapped with tin foil.

14 Pour in the prepared batter.

15, put in the preheated oven, pour hot water on the baking tray, put it on the cake mold, and bake at 120 for 60 minutes.

16, take out the baked cake, put it about 20 cm away from the table and drop it a few times.

17, cooling and demoulding.

18, cut into pieces and serve.