01 - Preheat oven to 350°F. Line two baking sheets with parchment paper.
02 - In a medium bowl, whisk together flour, baking powder, baking soda, and salt.
03 - In a large mixing bowl, beat butter, granulated sugar, and brown sugar together until light and creamy, about 2–3 minutes.
04 - Add the egg and vanilla extract to the butter mixture. Beat until combined.
05 - Mix in the freeze-dried strawberry powder until well incorporated.
06 - Gradually add the dry ingredients to the wet mixture, mixing just until combined.
07 - Fold in white chocolate chips and chopped fresh strawberries.
08 - Using a heaping tablespoon per cookie, drop dough onto prepared baking sheets, spacing 2 inches apart.
09 - Gently press some heart-shaped sprinkles on top, if using.
10 - Bake for 11–13 minutes, until edges are set and centers are puffed. Do not overbake for soft cookies.
11 - Cool on baking sheet for 5 minutes, then transfer to wire rack to cool completely.