With retro décor, a soda-fountain counter, and mid-century furniture, walking through the doors of Johnny J’s Diner is like stepping back into the 1950s. Located in Casper, Johnny’s serves all-American classics including waffles, cherry-topped milkshakes, and burgers. There's a dedicated dinner menu, too, featuring the likes of meatloaf, chicken fried steak, and spaghetti and meatballs.

Now discover the best comfort food dish in every state – and where to try it

Last updated by Jessica Morris.

The best restaurant serving American classics in every state