- 2 cup all-purpose flour
- 1/2 teaspoon baking powder
- 1/4 teaspoon salt
- 1 cup (2 sticks) unsalted butter, room temperature
- 3/4 cup imperial sugar extra fine granulated sugar
- 1 large egg
- 2 teaspoon vanilla extract
- 1 teaspoon fresh key lime zest
- 1 cup imperial sugar confectioners powdered sugar
- 1 tablespoon fresh key lime juice
- 1/2 teaspoon vanilla extract
- 1 teaspoon milk
- 1 teaspoon fresh key lime zest
- crushed graham cracker crumbs, optional topping
- Preheat oven to 375°F.
- Line a baking sheet with parchment paper or a silicone baking mat.
- Set aside.
- In a medium bowl, whisk together flour, baking powder, and salt.
- Set aside.
- In a stand mixer, beat butter and sugar until light and fluffy.
- Add egg, vanilla extract, and lime zest, mixing until combined.
- Add flour mixture 1/2 cup at a time, mixing until completely combined.
- Roll 1 tablespoon of dough into small circles and then press with hands (or with the bottom of a cup) into a disk shape.
- Place on prepared baking sheet.
- Bake for 8 minutes.
- Cookies will not look browned or cooked, but they are!
- Remove from oven and let cookies rest on baking sheet for 5 minutes.
- Then transfer to a wire rack to cool completely.
- To ice, in a small bowl, whisk together powdered sugar, lime juice, vanilla extract, milk, and lime zest until smooth.
- Using a spoon, smooth icing onto the top of each cookie, sprinkle with crushed graham cracker and let set for 10 minutes, or until hardened.
- Store leftovers in an airtight container.