Step 1

Preheat the oven to 350 degrees F. Line two baking sheet with parchment paper or a silicone baking mat. Set aside.

Step 2

Combine flour, baking powder, and salt in a small bowl. Whisk and set aside.

Step 3

In a small bowl, add granulated sugar and lemon zest. Rub the sugar and lemon zest together with your fingers, until fragrant.

Step 4

Beat butter and sugar/lemon mixture together until light and fluffy. Beat in egg and vanilla extract. Mix until smooth.

Step 5

Slowly beat in flour mixture on low speed until blended. Drop dough by tablespoon onto prepared baking sheets, spacing 2 inches apart. Gently flatten dough with the palm of your hand.

Step 6

Bake for 12-14 minutes or until cookies are just set and slightly golden brown. Cool cookies on baking sheet for 2 minutes and transfer to cooking racks. Cool completely.

Step 7

In a medium bowl, whisk together powdered sugar and lemon juice. Dip each cookie top into the lemon glaze. Let cookies sit until icing has set.