Nutmeg Sauce
["1/4 c. butter", "1/2 c. sugar", "1 egg yolk", "1 1/2 Tbsp. flour", "1 tsp. vanilla", "1 1/4 c. boiling water", "1/4 tsp. nutmeg"]
["Cream butter in saucepan.", "Gradually add sugar; beat until light and fluffy.", "Blend in egg yolk, flour, vanilla and gradually add boiling water.", "Cook over medium heat, stirring constantly, until thickened.", "Stir in nutmeg (sprinkle in nutmeg, it will clump).", "Makes about two cups."]
["butter", "sugar", "egg yolk", "flour", "vanilla", "boiling water", "nutmeg"]