3 egg yolks
1 1/4 c. confectioners' sugar
1/2 c. butter, softened

Place egg yolks in medium-size mixing bowl. Add sugar; blend well with wooden spoon. Place bowl over hot water at medium heat; stir until very thick and creamy and free from streaks. Remove from hot water. Place bowl in pan of ice; stir until cool. Cream butter until smooth; whip into sugar mixture a spoonful at a time with electric mixer at medium speed until well blended. Yield: enough to frost a two layer cake.