Materials:

85g of milk powder, low-gluten flour 100g, water 100g, 4 eggs, 69g of fine sugar and proper amount of salt.

Steps:

Egg yolk and egg white are separated, and the bowl should be oil-free and water-free.

Add milk powder and water to the egg yolk and stir well.

Sieve the flour, add it into the yolk milk paste and stir well.

Add salt to the egg whites, beat the cake well, and add the fine sugar in three times.

Add the egg whites into the egg yolk paste and stir well.

Pour into the mold, preheat the oven to 150 degrees, and send it into the oven.