01 - Preheat oven to 350°F. Line two baking sheets with parchment paper.
02 - Whisk together gluten-free flour blend, baking soda, and salt in a medium mixing bowl.
03 - In a large bowl, cream softened butter, light brown sugar, and granulated sugar with an electric mixer until light and fluffy.
04 - Beat in eggs one at a time, followed by vanilla extract. Mix until fully combined.
05 - Gradually add dry ingredients to wet mixture, mixing just until incorporated.
06 - Fold in dark chocolate chunks and chopped roasted macadamia nuts.
07 - Scoop tablespoon-sized portions of dough onto prepared baking sheets, spacing each about 2 inches apart.
08 - Bake for 11 to 13 minutes, until edges are golden and centers are just set.
09 - Allow cookies to cool on the baking sheet for 5 minutes, then transfer to a wire rack to cool completely.