01 - Preheat oven to 350°F. Line two baking sheets with parchment paper.
02 - Whisk gluten-free flour, baking soda, and salt in a medium bowl until evenly blended.
03 - Beat softened butter, granulated sugar, and brown sugar with electric mixer until light and fluffy, about 2-3 minutes.
04 - Beat in eggs one at a time, then mix in vanilla extract until fully incorporated.
05 - Gradually add dry ingredients to wet mixture, mixing just until flour disappears. Do not overmix.
06 - Gently fold white chocolate chips and chopped macadamia nuts into dough until evenly distributed.
07 - Scoop tablespoon-sized dough balls onto prepared baking sheets, spacing 2 inches apart.
08 - Bake 10-12 minutes until edges are lightly golden and centers appear set.
09 - Let cookies rest on baking sheet 5 minutes, then transfer to wire rack to cool completely.