Get ready for game days, barbecues, and the best burger nights ever with these juicy Oklahoma-Style Onion Cheeseburgers fresh off the grill! When you've got a list of barbecue recipes, it's basically a crime not to include cheeseburgers. And we don't mean those wimpy little fast food burgers, oh no. We're talking patties so hefty, they've earned the right to be called "thicc" with two c's. These aren't your average fast-food fixes; they're hefty, hearty, and destined to steal the show at your next backyard barbecue or game day feast.