Cast-Iron Patty Melts

Cast-Iron Patty Melts

Entree
40 min
4 servings

Cooking a patty melt in a cast-iron pan gives the sandwiches crispy, savory bits of meat and cheese around the edges. Caramelized onions deliver tangy-sweet flavor.

Ingredients

  • 1 tbsp.olive oil
  • 1 largeonion, thinly sliced
  • 2 tsp.kosher salt, divided
  • 1 tbsp.worcestershire sauce
  • 1 lb.ground chuck
  • 8slices rye bread
  • 4 tbsp.mayonnaise
  • 4slices white american cheese, torn in half
  • 4slices swiss cheese, torn in half
  • 4 tbsp.salted butter, divided

Directions

  1. 1

    Gather all ingredients.

  2. 2

    Heat olive oil in a large cast iron skillet over medium. Add onions and 1 teaspoon salt; cook 20 minutes, stirring often, until well browned. Transfer onions to a medium bowl and stir in Worcestershire sauce. Do not wipe pan clean.

  3. 3

    While onions cook, divide ground beef into 4 portions. Press each into a thin patty the same size as the bread between two pieces of parchment paper. Sprinkle evenly with remaining 1 teaspoon salt.

  4. 4

    Cook patties two at a time, pressing slightly, until just barely pink in the middle, about 2 to 3 minutes per side. Remove from pan and wipe pan clean.

  5. 5

    Assemble sandwiches. Spread a thin layer of mayonnaise on the outsides of each piece of bread. Divide American cheese slices among 4 slices rye bread, spacing evenly on the bread slices. Top each with a burger patty, 1/4 of the cooked onions, and Swiss cheese slices. Finish with remaining bread slices.

  6. 6

    Melt 2 tablespoons butter in pan. Add 2 sandwiches and cook over medium until browned on each side and cheese has melted, about 3 to 4 minutes per side. Repeat with remaining sandwiches and serve immediately.