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Ingredients
5 servings

5 TablespoonsButter

2Yellow Onions
Medium, Thinly Sliced

1Egg
▢, Large
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2 TablespoonsWorcestershire Sauce
Divided

2.25 CupsBeef Broth
Divided

1.5 PoundsLean Ground Beef
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⅓ cupPanko breadcrumbs

2 teaspoonsItalian Seasoning

2 teaspoonsgarlic powder
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Pepper
To Taste

0.33 CupFlour
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8 SlicesProvolone Cheese
▢
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0.5 CupShredded Parmesan Cheese
Instructions
Step 1
Melt the butter in a large skillet over medium-high heat. Add the sliced onions, one Tablespoon of Worcestershire sauce, and ¼ cup of the beef broth to the skillet and stir to coat the onions.
Step 2
Continue cooking the onions, stirring occasionally for 6-7 minutes until soft and golden.
Step 3
Meanwhile, in a large bowl add the ground beef, egg, 1 Tablespoon of Worcestershire sauce, breadcrumbs, Italian seasoning, garlic powder, salt and pepper.
Step 4
Use your hands or a large spoon to gently mix the beef mixture until everything is well combined.
Step 5
Form the beef mixture into 5 even balls, then flatten into patties, set aside on a plate or cutting board.
Step 6
Once the onions have softened, scoot them to the side and add the patties to the pan.
Step 7
Fry the patties for 4 minutes per side, then, remove to a plate.
Step 8
Stir the onions around in the pan, then sprinkle the flour over the onions and cook, stirring constantly for one minute.
Step 9
Slowly pour the remaining beef broth into the skillet, stirring constantly and scraping any browned bits from the bottom of the pan.
Step 10
Reduce the heat to medium-low, and add the patties back to the pan.
Step 11
Top each patty evenly with the cheese. Cover the skillet and simmer for 6-8 more minutes until cheese is melted, gravy is thickened, and the meat is cooked through.