2 cps powdered sugar
1/4 cp butter
1 egg, well beaten
1/2 cp cream
1/2 tsp vanilla
1 - Take 2 cps powdered sugar; cram until light with 1/4 cp butter.
2 - Add to this 1 egg, well beaten, and 1/2 cp cream and flavor with 1/2 tsp vanilla.
3 - Beat all thoroughly (stirring over hot water if the sauce separates after the cream is added).
4 - Chill before serving.