INGREDIENTS
•
1/2 cup (1 stick) unsalted butter, softened, plus more for greasing
•
1/2 cup sugar
•
2 eggs
•
1 teaspoon vanilla extract
•
1 cup all-purpose flour
•
1 teaspoon baking powder
•
1/2 teaspoon salt
•
Juice and zest of 1/2 lemon
•
3/4 cup confectioners' sugar
•
Zest and juice of 1/2 lemon