Lemon juice and lemon liqueur combine for an icing that’s the perfect sweet-tart combination.
Yield: makes about 1 cup
- 2 cups confectioners’ sugar
- 2 tbsp. fresh lemon juice, plus 1 tbsp. finely grated zest
- 2 tbsp. lemon liqueur, such as limoncello
- 1⁄8 tsp. kosher salt
- Whisk sugar, juice, zest, liqueur, and salt in a bowl until smooth.