Preheat oven to 350º.

Line a baking sheets with parchment paper.

Whisk together flour, salt, baking powder, and baking soda in a bowl and set aside.

In your mixer, cream butter, sugar and brown sugar.

Add eggs and vanilla.

Gently stir in the flour mix.

Fold in the chopped white chocolate and macadamia nuts.

Scoop large tablespoons of dough onto the prepared cookie sheets.

Bake for 8 to 10 minutes, or until the edges are light brown.

Remove and cool.