This is especially good on Applesauce or Spice Cakes.

1	lb box	Powdered sugar
1	tbsp	Cinnamon
1/4	C	Melted butter or margarine
2	tbsp	Milk
1		Egg white
		Dash of salt

Combine all ingredients in mixing bowl. Beat until smooth and creamy, 2 - 4 minutes, on medium speed. Makes enough for 9" double layer cake.