- ½ teaspoon lemon juice
- 4 ½ cups, plus 1 tablespoon sifted confectioners' sugar
- 1/3 cup (3 ounces) pasteurized egg whites
1. In the bowl of an electric mixer fitted with a paddle attachment, beat the egg whites on medium speed until soft peaks form. Gradually add the confectioners' sugar, 1/2 cup at a time, on medium-low speed. Add the lemon juice and beat on medium-high speed until stiff peaks form and the icing is...