Patty Melts on Sourdough Bread

 

There's something so satisfying about a perfectly made patty melt, and this retro version on sourdough hits every note. The combination of caramelized onions, seasoned beef, Swiss cheese, and Thousand Island dressing between buttery grilled sourdough is pure comfort food perfection. It's the kind of sandwich that makes you understand why diners have been serving patty melts for decades.

Ingredients For the Sautéed Onions:  3 large white onions 2 T butter ½ t salt 5 dashes Worcestershire sauce  For the Burger Patties:  3 lbs. ground beef 1 t salt 1 t pepper 1 t onion powder 1 t garlic powder 3 T butter  For the Sandwich:  1 stick butter 1 loaf sourdough bread 1 cup Thousand Island dressing 9 slices Swiss cheese   Directions  ·         For the sautéed onions: slice onions and sauté with butter in a saucepan on medium heat. Cook for 25 minutes stirring occasionally. Add S&P, Worcestershire sauce toward end of cooking. Set aside. ·        While onions are cooking, prepare the patties. Mix beef and seasonings, forming into an oval shape about the size of the bread. Heat butter in skillet and prepare to fry each patty until nicely browned and cooked through. Drain on paper towels and keep warm until ready to assemble. ·        To assemble: wipe out skillet with paper towels but leave some butter and bits of meat behind. Spread butter on each slice of bread and place buttered side down in skillet. On one side of the bread place Swiss cheese on the slice place a generous amount of Thousand Island dressing. ·        Place a beef patty and onions on top of the dressing. Wait for the bread to toast before assembling the sandwiches. Slice in half before serving.