01 -
Make the lemon curd in advance to allow it to chill. Make it the day before if possible for easier preparation when baking the cookies.
02 -
In a large mixing bowl, whisk together all-purpose flour, cake flour, cornstarch, baking powder, baking soda, and salt. Set aside.
03 -
Using a stand mixer with a paddle attachment, cream cold butter and granulated sugar on medium speed for 2-3 minutes, scraping the bowl as needed. For enhanced flavor, rub lemon zest into the sugar before adding to butter.
04 -
Add the egg, egg yolk, vanilla extract, lemon extract, lemon juice, and any remaining lemon zest. Mix until combined.
05 -
Gradually add the dry ingredients to the wet mixture, mixing just until combined. Avoid overmixing to maintain a soft dough texture.
06 -
Cover and refrigerate the dough for at least 30 minutes or up to 3 days. This helps enhance flavor and prevent spreading during baking.
07 -
Preheat the oven to 350°F (175°C). Line baking trays with parchment paper or silicone baking mats. Let the chilled dough sit at room temperature for a few minutes.
08 -
Roll dough into 1-1 1/2 Tbsp-sized balls. Roll each ball in granulated sugar, then in powdered sugar. Place on prepared trays.
09 -
Use your thumb, a wooden spoon's end, or a wine cork to press a shallow indentation into each cookie. Fill each indentation with approximately 1 teaspoon of chilled lemon curd.
10 -
Bake for 9-10 minutes or until the edges are lightly golden. Avoid overbaking. Let cookies cool for 2 minutes before transferring to a cooling rack.
11 -
While warm, adjust cookie shape if uneven by spinning a larger round cutter around each cookie. Add more lemon curd to the center if desired and dust with additional powdered sugar.
12 -
Store cookies in the refrigerator for up to 4 days. Enjoy chilled for the best flavor and texture.