- 1 cup milk
- 1/2 cup sugar
- 1/4 tsp. salt
- 2 tbsp. cornstarch
- 1 egg
- 2 tsp. butter
- 1/2 tsp. vanilla
Mix sugar, cornstarch, salt: add hot milk.
Cook over hot water, stirring until thick; cook until there is no taste of raw starch.
Beat egg, add milk mixture; return to double boiler and cook until egg thickens
Remove from heat, add butter and vanilla.
Cool before putting into cream puffs or whatever you are filling.