"These classic patty melts are made with meaty burger patties topped with two kinds of cheese and onions, and pressed between thick slices of Texas toast. Simply delicious!..."
INGREDIENTS
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2 pounds ground beef
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2 tablespoons Worcestershire sauce
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½ teaspoons garlic powder
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½ cup butter (divided)
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1 extra-large sweet onions (peeled and sliced into thin strips)
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12 slices thick-cut sandwich bread (Texas toast)
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6 slices American cheese
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6 slices Swiss cheese
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2 tablespoon yellow mustard
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Salt and pepper