Vanilla - Chocolate Powdered Sugar Frosting

2 cups sifted confectioners sugar

½ cup butter

1 teaspoon vanilla extract

1 ½ tablespoons milk

2 tablespoons cocoa powder

Cream sugar, butter and vanilla. Add a small amount of milk (1 to 2 tablespoons). Add cocoa if desired and beat until fluffy. If frosting is too sweet add a little more milk.