Custard Cream Filling

⅓ cup sugar

3 tablespoons Swans Down Cake Flour

Dash of salt

1 cup milk

1 egg yolk, slightly beaten

½ teaspoon vanilla

Combine sugar, flour, and salt in top of double boiler; add milk and egg yolk, mixing thoroughly. Place over rapidly boiling water and cook 10 minutes, or until thick, stirring constantly. Cool; add flavoring. Makes enough filling to spread between two 9-inch layers.