01 - Preheat oven to 350°F. Line two baking sheets with parchment paper.
02 - Whisk together flour, baking powder, baking soda, and salt in a medium bowl.
03 - Beat butter, granulated sugar, and brown sugar in a large bowl until light and creamy, about 2–3 minutes.
04 - Add egg and vanilla extract to the butter mixture. Beat until fully incorporated.
05 - Mix in freeze-dried strawberry powder until evenly distributed throughout the batter.
06 - Gradually add dry ingredients to the wet mixture, mixing just until combined. Do not overmix.
07 - Gently fold white chocolate chips and chopped fresh strawberries into the dough.
08 - Drop heaping tablespoons of dough onto prepared baking sheets, spacing 2 inches apart.
09 - Gently press heart-shaped sprinkles onto the tops of cookies, if using.
10 - Bake for 11–13 minutes until edges are set and centers are puffed. Avoid overbaking for soft texture.
11 - Let cookies cool on baking sheet for 5 minutes, then transfer to wire rack to cool completely.