Located in Oklahoma City, HD's Onion Burger offers onion burgers as a specialty, as well as many other tasty food items. Customize a classic onion burger with toppings including cheese, jalapenos, bacon, chili and slaw, and order up a side of tater tots, onion rings, fries or curly fries. In addition to onion burgers, HD's offers a Frito pie, steak sandwich, BLT and blue plate specials. Try a fresh salad topped with grilled chicken or gyro meat, or try a gyro or grilled chicken sandwich. Order one of HD's Onion Burger highway specials for a great combo deal.