Beat egg yolks with fork, add 1/4 cup sugar, lemon juice, butter. Add enough powdered sugar to make icing of desired consistency to spread. Beat until creamy.
Nutritional Information:
67 Calories (kcal); 5g Total Fat; (66% calories from fat); 3g Protein; 3g Carbohydrate; 213mg Cholesterol; 7mg Sodium