Preheat your oven to 350°F (175°C). Line a baking sheet with parchment paper or silicone baking mat.
In a large mixing bowl, cream together the softened butter, granulated sugar, and brown sugar until light and fluffy.
Beat in the egg and vanilla extract until well combined.
In a separate bowl, whisk together the all-purpose flour, baking powder, baking soda, and salt.
Gradually add the dry ingredients to the wet ingredients, mixing until just combined.
Gently fold in the freeze dried strawberries and white chocolate chips until evenly distributed throughout the dough.
Using a cookie scoop or spoon, drop rounded tablespoons of dough onto the prepared baking sheet, spacing them about 1.5 inches apart.
Bake in the preheated oven for 10-15 minutes, or until the edges are lightly golden. The centers may still look slightly underbaked, but they will continue to set as they cool.
Allow the cookies to cool on the baking sheet. If you want to transfer them to a wire rack, you can, but you don't have to.