01 - Preheat oven to 350°F. Line two baking sheets with parchment paper.
02 - Whisk together gluten-free flour, baking soda, and salt in a medium bowl. Set aside.
03 - Beat softened butter with both sugars in a large mixing bowl until light and creamy, about 2 minutes.
04 - Add egg and vanilla extract. Beat until thoroughly incorporated.
05 - Gradually add dry ingredients to wet mixture, mixing just until combined. Do not overmix.
06 - Gently fold white chocolate chips into the dough.
07 - Carefully fold in raspberries, handling gently to prevent excessive breaking.
08 - Scoop tablespoon-sized portions onto prepared baking sheets, spacing 2 inches apart.
09 - Bake for 11 to 13 minutes until edges are golden and centers are set.
10 - Let cookies rest on baking sheet for 5 minutes, then transfer to wire rack to cool completely.