Replay Video We're sorry, there seems to be an issue playing this video. Please refresh the page or try again in a moment. If you continue to have issues, please contact us here. WATCH Loading Video... Sid's Diner Onion Burger 03:19 Find out more This juicy and messy burger at Sid's Diner in El Reno, Oklahoma, is smothered with caramelized onions. From: Best Burgers with Top 5 Restaurants Similar Topics: Diners Related Videos Mike's City Diner in Boston 03:18 Agawam Diner in Rowley, MA 02:39 Toronto's Lakeview Restaurant 02:36 Delta Diner 03:56 Modern Diner in Pawtucket, RI 03:36 St. Francis Fountain in CA 03:11 Best Eats: Phoenix 01:41 Best Eats: Los Angeles 01:19 More Videos Kotopita (Greek Chicken Pie) 02:33 Diner's Favorite Empanadas 03:28 Car 23 Stuffed French Toast 03:34 Landmark Restaurant and Diner 02:43 We Recommend 15 Best Burgers from Diners, Drive-Ins and Dives 17 Photos Viewer's Choice: 15 Best Burgers from Diners, Drive-Ins and Dives Classic All-American Eats: The Best Diner Dishes on Top 5 Restaurants — Vote for Your Favorite How to Make the Best Burgers from Diners, Drive-Ins and Dives 16 Photos It’s All About Burgers on Top 5 Restaurants — Vote for Your Favorite