Ultimate Melt Grilled Cheese with Caramelized Onions and Ground Beef

This Ultimate Melt Grilled Cheese takes a classic comfort food to a whole new level by combining savory caramelized onions, seasoned ground beef, and a delicious mix of sharp cheddar and Swiss cheeses. Sandwiched between slices of rye bread and grilled to golden perfection, this hearty, flavor-packed sandwich is perfect for lunch or dinner. It’s the ultimate fusion of a cheeseburger and a grilled cheese, making it a mouthwatering meal that’s sure to satisfy.

Ingredients:

  • 4 tablespoons unsalted butter, divided
  • 2 large onions, thinly sliced
  • 2 cloves garlic, minced
  • ¼ teaspoon dried thyme
  • 1 ½ pounds ground beef
  • Kosher salt and freshly cracked black pepper, adjusted to your preference
  • 8 slices rye bread
  • 4 tablespoons mayonnaise
  • 4 ounces sharp cheddar cheese, thinly sliced
  • 4 ounces Swiss cheese, thinly sliced

Instructions:

  1. Caramelize the Onions:
    • Heat 2 tablespoons of butter in a large skillet over medium heat.
    • Cook, stirring occasionally, for about 15-20 minutes, or until the onions are soft and caramelized.
    • Add the minced garlic and dried thyme, cooking for another 2 minutes until fragrant.
  2. Cook the Ground Beef:
    • In the same skillet, add the ground beef, breaking it up with a wooden spoon.
    • Season with salt and pepper and cook over medium-high heat until browned and cooked through, about 7-8 minutes.
    • Drain any excess fat, then set the ground beef aside.
  3. Prepare the Bread:
    • Spread ½ tablespoon of mayonnaise on one side of each slice of rye bread.
  4. Assemble the Sandwiches:
    • On the non-mayo side of four slices of bread, layer sharp cheddar cheese, followed by a generous amount of the cooked ground beef, caramelized onions, and Swiss cheese.
    • Top each with another slice of bread, mayo-side out.
  5. Grill the Sandwiches:
    • Preheat a large skillet or griddle on medium heat.
    • Melt 1 tablespoon of butter in the pan, then place the sandwiches in the skillet (you may need to do this in batches).
    • Cook for 3-4 minutes per side, pressing down gently with a spatula, until the bread is golden brown and the cheese is melted.
    • Add more butter to the skillet as needed when flipping the sandwiches.
  6. Serve:
    • Slice the grilled cheese sandwiches in half and serve immediately, while hot and gooey, with a side of pickles or chips for a complete meal.

Conclusion:

This Ultimate Melt Grilled Cheese is the perfect combination of classic grilled cheese and a savory cheeseburger. With caramelized onions, ground beef, and melty cheddar and Swiss cheeses between buttery grilled rye bread, it’s a comforting and indulgent sandwich that will make your taste buds sing. It’s ideal for a quick weeknight meal or a satisfying lunch.

Ultimate Melt Grilled Cheese with Caramelized Onions and Ground Beef

A hearty grilled cheese sandwich with caramelizedonions, seasoned ground beef, and a mix of cheddar and Swiss cheeses, allgrilled to golden perfection on rye bread.
Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Course Main Course, Sandwich
Cuisine American
Servings 4 sandwichs
Calories 600 kcal

Ingredients
  

  • 4 tablespoons unsalted butter divided
  • 2 large onions thinly sliced
  • 2 cloves garlic minced
  • ¼ teaspoon dried thyme
  • 1 ½ pounds ground beef
  • Kosher salt and freshly cracked black pepper adjusted to your preference
  • 8 slices rye bread
  • 4 tablespoons mayonnaise
  • 4 ounces sharp cheddar cheese thinly sliced
  • 4 ounces Swiss cheese thinly sliced

Instructions
 

Caramelize the Onions:

  • Heat 2 tablespoons of butter in a large skillet over medium heat.
  • Cook, stirring occasionally, for about 15-20 minutes, or until the onions are soft and caramelized.
  • Add the minced garlic and dried thyme, cooking for another 2 minutes until fragrant.

Cook the Ground Beef:

  • In the same skillet, add the ground beef, breaking it up with a wooden spoon.
  • Season with salt and pepper and cook over medium-high heat until browned and cooked through, about 7-8 minutes.
  • Drain any excess fat, then set the ground beef aside.

Prepare the Bread:

  • Spread ½ tablespoon of mayonnaise on one side of each slice of rye bread.

Assemble the Sandwiches:

  • On the non-mayo side of four slices of bread, layer sharp cheddar cheese, followed by a generous amount of the cooked ground beef, caramelized onions, and Swiss cheese.
  • Top each with another slice of bread, mayo-side out.

Grill the Sandwiches:

  • Preheat a large skillet or griddle on medium heat.
  • Melt 1 tablespoon of butter in the pan, then place the sandwiches in the skillet (you may need to do this in batches).
  • Cook for 3-4 minutes per side, pressing down gently with a spatula, until the bread is golden brown and the cheese is melted.
  • Add more butter to the skillet as needed when flipping the sandwiches.

Serve:

  • Slice the grilled cheese sandwiches in half and serve immediately, while hot and gooey, with a side of pickles or chips for a complete meal.
Keyword Grilled cheese melt sandwich

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