1/2 c. unsalted butter, softened
1 1/2 Tb. confectioners' sugar
1/4 tsp. grated lemon peel
1/4 tsp. grated lime peel
1/4 tsp. grated orange peel
In small bowl, stir together butter, sugar, lemon, lime and orange peels 'til combined.
Serve butter immediately or cover and refrigerate. To serve, let stand 15 min. at room temp. to soften.