RecipesCakeCustard Filling+ Add to menuPrint recipeCakeCustard FillingCook10 minutesIngredients1 cup milk1 tablespoon butter2 tablespoons flour2 tablespoons sugarSpeck salt1 egg1/4 teaspoon vanillaInstructions1Heat milk. Cream butter, mix with flour, and add milk. Cook ten minutes. Add sugar, salt, and slightly beaten egg. Cook in double boiler until thick. Cool, and add vanilla.