In a large bowl, combine ground beef, Worcestershire, salt, and pepper. Shape ground beef into 6 oval patties.
In a medium cast-iron skillet, melt 2 tablespoons butter over medium heat. Add onion. Cook, stirring occasionally, until onion is soft and golden brown, approximately 35 minutes.
In a large cast-iron skillet, cook patties over medium-high heat until browned and cooked through, approximately 2 minutes per side. Remove skillet from heat. Remove patties from skillet; wipe out skillet.
Layer 1 bread slice with 1 tablespoon Secret Sauce, 2 to 3 tablespoons caramelized onions, 1 slice cheese, 1 patty, and another 1 tablespoon Secret Sauce. Top with another bread slice. Repeat with remaining bread, Secret Sauce, caramelized onions, cheese, and patties.
Heat skillet over medium-high heat. Melt 2 tablespoons butter in skillet. Working in batches, cook sandwiches, flipping once, until golden brown and heated through, approximately 3 minutes per side. Add remaining butter to skillet as needed
Have you ever tried something so delicious you can barely stand it…and something that you’re even more shocked that you actually made. This is one of those recipes.

This Patty Melts with MY Secret Sauce is my absolute favorite sandwich! Absolutely a hit!

Simple and easy ! My whole family loves this recipe so much. If it were for them, I’d be making this every day! Give it a shot, you’ll love it!

For Ingredients And Complete Cooking Instructions Please Head On keep on Reading (>)