Ultimate Patty Melt With Secret Sauce

A crispy, cheesy, juicy patty melt layered with secret sauce, caramelized onions, and melted Swiss between buttery rye slices. Classic diner comfort made easy at home.

Prep time

15 minutes

Cook time

25 minutes

Total time

40 minutes

Yield

4 sandwiches

Ingredients

1 lb ground beef

8 slices rye bread

8 slices Swiss cheese

1 large onion, thinly sliced

4 tbsp butter, plus more for spreading

Salt and pepper to taste

1/2 cup mayonnaise

2 tbsp ketchup

1 tbsp relish

1 tsp Worcestershire sauce

1/2 tsp garlic powder

1/2 tsp onion powder

Instructions

1. Caramelize onions in 2 tbsp butter over medium heat, about 15–20 minutes.
2. Season beef with salt and pepper; shape into 4 flat patties.
3. In a bowl, mix mayo, ketchup, relish, Worcestershire, garlic, and onion powders.
4. Sear patties 3–4 minutes per side in skillet with 1 tbsp butter. Set aside.
5. Spread secret sauce on 4 bread slices, layer cheese, patty, onions, more cheese, and second bread.
6. Butter outsides of sandwiches and grill 3–4 minutes per side until golden and melty.
7. Slice and serve hot with extra sauce.

Notes

Try sourdough or marble rye for variation.

Add jalapeños or mushrooms for extra flavor.

Freeze cooked sandwiches wrapped tightly for up to 1 month.