This festival is a tribute to the fried onion hamburger, cooked daily in El Reno since the early 1900s. Witness the cooking of the world’s largest and greasiest fried onion hamburger, weighing over 750 pounds! Other festivities include rides, games, live entertainment, a classic car show, craft show, cycle show, burger eating contest, The Bun Run, and more. Event hours are 10am-5pm. Admission is free. Originally aired February 24, 2007