01 -
Set oven temperature to 350°F (180°C). Line a baking sheet with parchment paper for even baking and easy removal.
02 -
In a large mixing bowl, use a hand or stand mixer to beat butter, granulated sugar, and brown sugar until the mixture becomes light and fluffy, about 2 minutes.
03 -
Add the egg yolk, lemon zest, lemon juice, and vanilla extract to the butter mixture. Mix well until fully combined and smooth.
04 -
In a separate bowl, whisk together salt, baking powder, baking soda, and flour. Gradually add the dry mixture to the wet ingredients, mixing gently until just incorporated. Avoid overmixing.
05 -
Carefully fold the chopped frozen raspberries into the cookie dough, distributing evenly while minimizing color bleeding.
06 -
Scoop heaping tablespoon portions of dough onto the prepared baking sheet, spacing evenly. Flatten each cookie slightly with the back of a spoon and sprinkle with flaked sea salt. Bake for 12 to 15 minutes, or until edges turn pale golden.
07 -
Allow cookies to rest on the baking sheet for several minutes after removing from the oven. Transfer to a wire rack to cool completely before serving.