I tried Chick-fil-A's new chicken-and-waffles menu. It's proof that the nostalgia trend isn't going anywhere.

I tried Chick-fil-A's new chicken-and-waffles menu, inspired by nostalgia. The sandwiches were a fun twist on a classic Southern breakfast. Erin McDowell/Business Insider Chick-fil-A is celebrating its 80th birthday by going all in on nostalgia. Its new menu turns two classics — chicken and…