Preheat your oven to 350°F (175°C).

Cream together the unsalted butter and granulated sugar until light and fluffy, about 3–5 minutes.

Add the eggs one at a time, mixing until smooth after each addition.

Stir in fresh lime juice, lime zest, vanilla extract, and finely chopped mint leaves.

In a separate bowl, whisk together flour, baking powder, and salt. Gradually mix into wet ingredients.

Chill the dough in the refrigerator for 20–30 minutes.

Line a baking sheet with parchment paper.

Scoop tablespoon-sized balls of dough onto the prepared baking sheet.

Bake for 10–12 minutes until edges are lightly golden and center is soft.

Cool on the baking sheet for 5 minutes before transferring to a wire rack.