01 -
Preheat the oven to 350°F (175°C) and line a baking sheet with parchment paper. If using fresh blueberries, rinse and pat dry thoroughly.
02 -
In a large mixing bowl, beat the softened butter with the light brown sugar and granulated sugar until the mixture is pale and fluffy.
03 -
Add the vanilla extract and egg to the creamed mixture and beat until just combined.
04 -
Sift together the all-purpose flour, baking soda, and salt. Gradually add this to the wet ingredients, stirring gently to avoid overmixing the dough.
05 -
Carefully fold in the white chocolate chips followed by the frozen blueberries using a rubber spatula.
06 -
Using a tablespoon or cookie scoop, drop 1.5 tablespoon portions of dough onto the prepared baking sheet. Bake for 8 to 11 minutes until edges are lightly browned and set but centers remain slightly soft.
07 -
Allow the cookies to cool on the baking sheet for 10 minutes before transferring them to a wire rack to cool completely.