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The Ultimate Patty Melt Recipe

Photorealistic Patty Melt sandwich on rye bread with melted Swiss cheese and caramelized onions, styled in natural light on a modern kitchen counter.
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A Patty Melt is a classic American diner sandwich made with juicy ground beef, caramelized onions, and melted Swiss cheese pressed between crispy, buttery rye bread. Grilled to perfection, it combines the best of a burger and a grilled cheese for a rich, comforting meal that’s easy to recreate at home.

Ingredients

Scale

  • ½ pound ground beef (80/20 blend)

  • 1 medium yellow onion, thinly sliced

  • 4 slices rye bread (seeded or marble)

  • 4 slices Swiss cheese (or provolone/cheddar alternative)

  • 2 tablespoons butter (for grilling)

  • 1 tablespoon mayonnaise

  • 1 teaspoon ketchup

  • ½ teaspoon Dijon mustard

  • Salt and black pepper, to taste

  • Optional: a splash of Worcestershire sauce

Instructions

  • Caramelize the onions: Heat 1 tablespoon butter in a skillet over medium-low heat. Add onions and a pinch of salt. Cook 15–20 minutes, stirring occasionally until golden brown.

  • Cook the patties: Form ground beef into thin patties slightly larger than the bread slices. Season with salt, pepper, and Worcestershire. Cook 3–4 minutes per side until browned and juicy.

  • Make the sauce: Mix mayonnaise, ketchup, and Dijon mustard in a small bowl.

  • Assemble the sandwich: Spread the sauce on each bread slice. Layer cheese, beef patty, caramelized onions, another slice of cheese, then top with the remaining bread.

  • Grill the sandwich: Butter the outer sides of the bread. Cook on a preheated skillet over medium heat, pressing gently until both sides are golden brown and the cheese has melted (about 3 minutes per side).

  • Serve: Let rest for a minute before slicing diagonally. Serve hot with fries or pickles.

Notes

For a crisp crust, use room-temperature butter and a hot skillet.

Swap rye for sourdough or gluten-free bread if preferred.

Use vegan cheese and plant-based patties for a dairy-free or vegan version.

Avoid microwaving leftovers; reheat in a skillet to keep the bread crisp.

Find it online: https://www.dailysavoryrecipes.com/the-ultimate-patty-melt-recipe-a-diner/