Oklahoma’s Route 66 isn’t just famous for its neon signs and roadside attractions; it’s also the birthplace of one of the country’s most iconic sandwiches, the onion burger.
From historic diners in El Reno to newer spots in urban hubs like Oklahoma City and Tulsa, these burgers are a must-try for travelers craving crispy, caramelized onions smashed right into the patty.
Whether you’re on a road trip or just hungry for a taste of Oklahoma tradition, these Route 66 stops deliver burger bliss with every bite…