
1 cup plus 6 tablespoons all-purpose flour
½ teaspoon salt
½ cup unsalted butter, softened
6 tablespoons granulated sugar
2 tablespoons fresh lemon juice
1 large egg yolk
Coarse white decorating sugar, for garnish
1 cup powdered sugar
½ tablespoon fresh lemon juice
2 to 3 teaspoons milk