Patty Melts With Secret Sauce – Toasty, Melty & Pure Comfort!

Caramelize the onions:

Heat butter in a skillet and cook onions on medium-low for 10–15 minutes until soft and golden.

Make the patties:

Mix ground beef, Worcestershire, salt, and pepper. Shape into 4 thin patties.

Cook in a skillet until browned and fully cooked.

Prepare the sauce:

Stir together mayo, ketchup, mustard, relish, garlic powder, and onion powder.

Assemble the melts:

Spread butter on one side of each bread slice.

Layer cheese, cooked patty, onions, and sauce.

Top with more cheese and bread.

Grill to perfection:

Cook sandwiches in a skillet on medium heat until the bread is crispy and the cheese has melted.