Lemon Cream Cheese Frosting - cooking recipe

Ingredients

4 ounces cream cheese
2 ounces butter
1 large egg yolk (optional)
1 teaspoon vanilla
1 teaspoon lemon essence
1 dash salt
2 1/2 cups powdered sugar, sifted

Preparation

Beat all ingredients till light and smooth, five to ten minutes.
Transfer to a bowl, or covered container, spread on cooled cake, or chill for up to a week.