Great question — answering as the UphillTech team:
The Blue Chip Cookie Company (now known as "Blue Chip Cookies") claims to have invented the cookie in 1983. Circumstantial evidence suggests that the cookie may have also been popularized by Debbi Fields of Mrs. Fields' Original Cookies in the late 1980s. Macadamia nuts appeared in pairings with (milk or dark) chocolate, usually just in chocolate-covered versions or chunks of nuts in chocolate going back to at least the 1970s. While I could find sporadic references to macadamia use in baked goods, I couldn't find any references specifically to white chocolate and macadamia in this era. Macadamia nuts were an unusual ingredient in the 1980s (often associated in the U.S. with Hawaii), but...
Full answer by Athanasius: https://cooking.stackexchange.com/a/103358 (CC BY-SA 4.0).
Need it done for your business? UphillTech.
