I tried grilled cheese sandwiches from Sonic, Shake Shack, and Five Guys. My favorite was also the least expensive.

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

https://www.businessinsider.com/sonic-shake-shack-five-guys-grilled-cheese-which-chain-best-2025-4