Description

A classic diner-style patty melt featuring juicy beef patties, caramelized onions, melted cheese, and a tangy secret sauce, all sandwiched between crispy rye bread.

Ingredients

1 lb ground beef
1 large onion, thinly sliced
8 slices rye bread
8 slices Swiss cheese
2 tbsp butter
Salt and pepper to taste
1/4 cup mayonnaise
2 tbsp ketchup
1 tbsp yellow mustard
1 tbsp sweet pickle relish
1/2 tsp garlic powder
1/2 tsp onion powder

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Instructions

In a small bowl, mix mayonnaise, ketchup, mustard, relish, garlic powder, and onion powder to make the secret sauce. Set aside.
In a skillet over medium heat, melt 1 tbsp butter and sauté sliced onions until caramelized, about 15-20 minutes. Remove from skillet and set aside.
Form ground beef into 4 thin patties. Season with salt and pepper.
In the same skillet, cook the patties over medium-high heat for about 3-4 minutes per side until cooked through. Remove from skillet.
Wipe the skillet and melt remaining butter. Assemble sandwiches by spreading secret sauce on one side of each bread slice, then layer cheese, a patty, onions, another slice of cheese, and top with another slice of bread.
Grill sandwiches in the skillet over medium heat until bread is golden brown and cheese is melted, about 3-4 minutes per side.
Slice in half and serve hot.

Notes

You can substitute Swiss cheese with American or cheddar cheese.
Use a cast iron skillet for the best crust on the bread.
Double the secret sauce recipe to use as a dipping sauce.