1. Preheat oven to 350°F (175°C).

2. Line a baking sheet with parchment paper.

3. In a mixing bowl, cream butter and sugar until light and fluffy.

4. Add eggs one at a time, mixing well after each.

5. Stir in lemon zest and lemon extract.

6. In a separate bowl, whisk together flour, baking powder, and salt.

7. Gradually add dry ingredients to the wet mixture, mixing just until combined.

8. Scoop dough onto baking sheet, spacing 2 inches apart.

9. Bake 10–12 minutes or until edges are lightly golden.

10. Cool on pan for 5 minutes, then transfer to a wire rack to cool completely.