01 -
Preheat the oven to 350°F (175°C) and line baking sheets with parchment paper.
02 -
In a mixing bowl, whisk together the flour, baking powder, and sea salt until evenly blended.
03 -
In a large bowl, cream the butter and granulated sugar using an electric mixer until the mixture is light and fluffy.
04 -
Beat in the egg, lemon zest, lemon juice, chopped basil, and vanilla extract until thoroughly combined.
05 -
Gradually add the dry ingredients to the wet mixture, mixing just until a soft, cohesive dough forms.
06 -
Scoop dough onto the prepared baking sheets, spacing each portion about 2 inches apart. Gently flatten each mound slightly.
07 -
Bake in the preheated oven for 10 to 12 minutes, or until the edges are lightly golden.
08 -
Allow the cookies to cool on the baking sheet for 2 minutes before transferring to a wire rack to cool completely.