Oklahoma Fried Onion Burgers
Ingredients
-
- 1 large onion, peeled, halved, and thinly sliced
- Salt and pepper
- 1 lb ground beef
- 1 tablespoon butter
- 1 tablespoon vegetable oil
- 4-8 slices American cheese
- Mayo, mustard, and pickles, for serving
- 4 hamburger buns, toasted
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