Toast the salted butter in a pan until golden and nutty before creaming with sugars—this deepens flavor and creates a more complex, sophisticated cookie taste.

Refrigerate the dough for at least 12 hours to allow flavors to meld and prevent excessive spreading, resulting in thicker, chewier cookies with better texture control.

Cut white chocolate into varying sizes instead of uniform chips—larger chunks create pockets of melted chocolate while smaller pieces distribute creaminess evenly throughout.

Lightly toast the macadamia nuts at 325°F for 5-7 minutes before adding to dough to amplify their buttery, rich flavor and add subtle crunch that contrasts the chewy cookie.

Remove cookies from the oven when edges are set but centers still look slightly underdone—they'll continue cooking on the hot pan for perfectly chewy results that won't harden as they cool.