LIME FROSTING

1 1/2 cups powdered sugar, sifted
1 tablespoon butter or margarine, softened
1/4 teaspoon finely shredded lime peel (optional)
1 tablespoon lime juice
1 tablespoon milk (or more)

Beat together powdered sugar, butter or margarine, lime peel, and lime juice. Add enough milk to make spreadable.

Source: Better Homes and Gardens Recipes from Prizewinning Cooks