5 egg yolks
1/2 c. sugar
2 tbsp. corn starch
2 c. milk
1 tsp. vanilla

Beat egg yolks and sugar rapidly to blend well. In saucepan, dissolve corn starch in 1/2 cup milk. Add the rest of the milk and vanilla and bring to a boil, stirring constantly. Pour gradually into egg mixture, blend well. Return to heat and boil, stirring constantly 2 minutes. Cool in refrigerator until needed.