Maybe when you think of burgers, you think of standing over a smoking grill in the summer sunshine but oklahoma fried onion burgers go about things a little differently. Theyre a burger thats allll about maximum flavor surface area thanks to a super-thin patty and plenty of stringy, delicious onions that are cooked until they just cross the line from pungent to sweet. All you need is a hot griddle (or cast iron skillet) and a few ingredients see how to make them below