Simple ingredients and old-school techniques come together to make these iconic Oklahoma Fried Onion Burgers. You're going to love the flavors of the onion and cheese all blending with the juicy hamburger patty! Smashed onion burgers are sure to become a favorite family dinner night recipe.
2mediumwhite or yellow onions(thinly sliced, about 2 cups)
1tablespooncanola or vegetable oil
½teaspoonground black pepper
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Use a sharp knife or mandolin to slice the onions very thin.
Divide the ground beef into 4 equal-sized balls (4 ounces each).
Heat a griddle or cast-iron skillet over medium-high heat for about 2 minutes. Once it is hot, add the oil to the pan or griddle.
Place the 4 hamburger balls onto the pan and quickly press the meat with a sturdy spatula to form a hamburger patty. Sprinkle with salt, pepper, and garlic powder then quickly top each of the patties with about a half cup of sliced onions. (It is okay for some of the onions to fall off the burger and onto the pan.)
Allow the hamburger and onions to cook for about 2 minutes, without touching or disturbing them. Once the meat has browned, flip them over, scraping up any meat that has stuck to the pan and placing it back onto the burger.
Place the buns on top of the meat patty for about a minute to steam them. Once they are soft, remove the buns and place a slice of cheese on top of each patty.
When cooked to your desired doneness, place the cheese-covered patties and onions onto the buns and serve immediately.
Storage: You can refrigerate the cooked patties and onions in an airtight container. They will keep in the refrigerator for up to five days or in the freezer for up to three months. Store the buns separately at room temperature and then steam the buns when you're ready to reheat the burgers.