Cooking Steps

1. 

   Step1:Butter, milk, sugar, egg yolk. Mix well. Heat to viscous. Set aside. (add 25g sugar) brush the inner wall of the cup with a layer of butter. Apply the last layer of sugar. Don't use it. 3. Add sugar (10g) to the egg white. Whisk it at a low speed (if the egg white doesn't fall down, it will be). 4. Add the yolk liquid into the egg white. Mix evenly from the bottom to the top. Fill the cup with 89 points. 5. Lower layer. Fire up and down 180 degrees. 20 minutes. (you can observe the change of the cake during the test). Finally, sprinkle the icing sugar.