Ultimate Patty Melt with Secret Sauce

Introduction
The Ultimate Patty Melt with Secret Sauce is a classic comfort food elevated to perfection. Juicy beef patties, melted Swiss cheese, caramelized onions, and a tangy secret sauce come together between perfectly toasted rye bread. This dish is ideal for a satisfying lunch or dinner and is sure to impress anyone craving a hearty, flavorful sandwich.

Ingredients
For the Sandwich:

  • 1 lb ground beef

  • 8 slices rye bread

  • 8 slices Swiss cheese

  • 1 large onion, thinly sliced

  • 4 tbsp butter, plus extra for spreading

  • Salt and pepper to taste

For the Secret Sauce:

  • 1/2 cup mayonnaise

  • 1 tbsp ketchup

  • 1 tsp Dijon mustard

  • 1/2 tsp garlic powder

  • Pinch of paprika

How to Make