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Patty Melts with Secret Sauce Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 3.8 from 27 reviews
  • Author: Kimberly
  • Prep Time: 15 minutes
  • Cook Time: 25 minutes
  • Total Time: 40 minutes
  • Yield: 4 servings
  • Category: Sandwiches
  • Method: Stovetop
  • Cuisine: American

Description

These classic Patty Melts with Secret Sauce offer a delicious twist on a diner favorite. Featuring juicy ground beef patties, caramelized onions, and a combo of Swiss and cheddar cheeses, all nestled between buttery, crispy rye bread slices. The homemade secret sauce made with mayonnaise, ketchup, pickle relish, and Worcestershire sauce adds a tangy, flavorful punch. Perfect for a satisfying lunch or dinner, this recipe is easy to prepare on the stovetop.

Ingredients

For the Patty Melts

  • 1 lb ground beef
  • 1 large onion, thinly sliced
  • 8 slices rye bread
  • 4 slices Swiss cheese
  • 4 slices cheddar cheese
  • 4 tbsp butter, for grilling
  • Salt and black pepper, to taste

For the Secret Sauce

  • ½ cup mayonnaise
  • 2 tbsp ketchup
  • 1 tbsp sweet pickle relish
  • 1 tsp Worcestershire sauce

Instructions

  1. Prepare the Secret Sauce: In a small bowl, combine mayonnaise, ketchup, sweet pickle relish, and Worcestershire sauce. Stir well until all ingredients are fully incorporated, then set aside.
  2. Caramelize the Onions: Heat 1 tablespoon of butter in a large skillet over medium heat. Add the thinly sliced onions and cook, stirring occasionally, until golden brown and caramelized, which will take about 15-20 minutes. Remove onions from the skillet and set aside.
  3. Form and Cook Beef Patties: Divide the ground beef into four thin patties slightly larger than the bread slices to compensate for shrinkage during cooking. Season both sides with salt and black pepper. In the same skillet, cook the patties over medium-high heat for 3-4 minutes per side until fully cooked. Remove from skillet and set aside.
  4. Prepare the Bread for Grilling: Butter one side of each slice of rye bread. Place four slices, butter-side down, on a clean skillet or griddle heated over medium heat.
  5. Assemble the Patty Melts: On each buttered bread slice in the skillet, layer one slice of Swiss cheese, one cooked beef patty, caramelized onions, and one slice of cheddar cheese. Top each with another slice of rye bread, butter-side up.
  6. Grill the Sandwiches: Cook each sandwich for 2-3 minutes per side, until the bread is golden brown and crispy and the cheese has melted.
  7. Finish and Serve: Remove the sandwiches from the skillet and let them rest for 1 minute. Slice each sandwich in half and serve immediately with the secret sauce on the side or drizzled on top.

Notes

  • Caramelizing the onions adds sweetness and depth of flavor—take your time for best results.
  • Make sure the patties are thin enough to cook quickly and fit well on the bread slices.
  • Butter the bread slices generously for a crispy, golden crust.
  • Feel free to add pickles or mustard to the sandwich for extra tanginess if desired.

Find it online: https://slsrecipes.com/patty-melts-with-secret-sauce-recipe-3/