Preheat oven to 375 degrees F. Line two baking sheets with parchment paper. Set aside.
Place the softened butter, brown sugar, and granulated sugar in a large mixing bowl. Mix on low speed until fluffy and combined; about 2 minutes. Mix in the egg and vanilla just until combined.
Gradually mix in flour, baking soda, and salt. Mix only until just combined. (Avoid over-mixing.) Fold in white chocolate chips. Gently fold in raspberries, only stirring a couple of times, so they don’t get too crushed.
Using a small cookie scoop (about 1 ½ tablespoons of dough) and roll into balls. Place onto cookie sheets, spacing a few inches apart. 10 cookies per sheet.
Bake in preheated oven for 10 to 12 minutes or until centers are cooked through. Carefully remove from oven and allow cookies cool on cookie sheets. Enjoy!