Preheat the oven to 375° and line (2) baking sheets with parchment paper. Set aside.
In a medium bowl, whisk flour, cocoa powder, baking soda and salt together. Set aside.
In a large bowl, beat on medium speed, butter, brown sugar, sugar, vanilla and corn syrup together until creamy.
Beat eggs into the wet mixture, one egg at a time.
Gradually add flour and mix well.
Stir in white chocolate chips and chopped macadamia nuts.
Using a 2-inch cookie scoop, place on prepared baking sheets
Bake for 9-11 minutes.
Remove from the oven and let sit on the cookie sheet for a couple minutes, then remove cookies and place on a wire rack to cool.