Start by preheating your oven to 350°F (180°C). This ensures that your cookies bake evenly.
In a large mixing bowl, combine the melted unsalted butter, granulated sugar, and light brown sugar. Whisk together until well combined. Then, add in the large egg and vanilla extract. Mix until the mixture is smooth and creamy.
In a separate bowl, whisk together the all-purpose flour, baking soda, and salt. This step helps to evenly distribute the leavening agent and salt throughout the flour.
Gradually add the dry ingredients to the wet mixture, stirring gently with a rubber spatula until just combined. Be careful not to overmix, as this can lead to tough cookies.
Once your dough is mixed, fold in the white chocolate chips and coarsely chopped macadamia nuts. This is where the magic happens—each scoop of dough will be packed with sweet and nutty goodness!
Using a cookie scoop, portion out the dough onto a baking sheet lined with parchment paper, spacing them about 2 inches apart. Bake in the preheated oven for 10-12 minutes, or until the edges are lightly golden. The centers may look slightly underbaked, but they will continue to set as they cool.
Once baked, remove the cookies from the oven and let them cool on the baking sheet for about 5 minutes before transferring them to a wire rack to cool completely. This step is crucial for achieving that perfect chewy texture.
