Butter Frosting Recipe By Orville Preparation Time 0:10 Makes enough frosting for a 3 layer cake 1/2 cup butter (1 stick)-- softened 1/4 teaspoon salt 6 cups powdered sugar 1/2 cup Carnation milk -- or whipping cream 1 tablespoon vanilla Cream butter, salt, and sugar. Add part of milk. Beat unitl blended. Add rest of milk and beat until smooth.