Exercise:

1. Mix whipped cream and milk and boil for later use.

2. Take another clean pot, add100g cream, and heat over low heat until the cream melts.

3. After the cream melts, slowly add the flour and stir-fry until the fragrance overflows.

4. Stir the flour and cream until they are evenly set aside.

5. While stirring on the furnace, slowly add the materials with the method of 1 to avoid burning, and carefully stir evenly.

6. Heat 40 grams of cream with low fire until it melts, then pour it into practice 5 and mix well.