Fast food workers know everything that goes on in the kitchen, so when a worker recommends a dish, you better believe it's good.

A recent Reddit thread asked the industry's employees: what's the best thing on your restaurant's menu that nobody ever orders?

Current and former workers offered up their opinions, and it seems there are plenty of hidden gems to be found.

From Asian fusion at Jack In The Box to a secret milkshake at McDonald's, check out their favorites.