I ordered grilled cheese sandwiches at Sonic, Five Guys, and Shake Shack to see which fast-food chain has the best offering.

Each state has its own signature sandwich, from grilled cheese to a burger known as the Jucy Lucy.

Johnson St., is celebrated for its burgers, but also has classic sandwiches like a patty melt, BLT, veggie burger and grilled ...

veggie burger and grilled cheese. Specialty sandwiches include the Phondy Cheesesteak — shaved ribeye with provolone and an onion and pepper blend — and its own Nashville Hot chicken sandwich.