The Onion Burger capital of the world is nearby El Reno, OK, where three famous diners inhabit a three block radius--serving delicious fried Onion Burgers to throngs of eager patrons. Every May a festival is held in honor of the onion burger, and a team of volunteers produce an 800 pound Onion Burger for festival goers.The El Reno Fried Onion Burger Day sounds like a hoot, especially with an 800 pound onion burger!
For Elliot, Tucker's is more than happy to include jalapenos on his burger. We'll have to check with him to see if he can find his way to Tucker's when he's in OKC.
Enjoy this video about Tucker's. Watching it made me very hungry. And here are more pictures of Tucker's.