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Golden brown French Onion Grilled Cheese sandwich loaded with tender shredded beef, caramelized onions, melted Gruyère cheese, and served with rich au jus for dipping.

French Onion Grilled Cheese

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Prep Time 15 minutes
Cook Time 20 minutes
Total Time 35 minutes
Servings: 4
Course: game day, Main Course
Cuisine: American, French-Inspired
Ingredients Equipment Method Notes

Ingredients
  

Sandwiches
  • 8 slices thick-cut sourdough bread
  • 6 tablespoons softened salted butter
  • 1½ pounds prepared French Onion Braised Chuck Roast
  • 1 cup caramelized onions from the roast recipe
  • 8 ounces Gruyère cheese freshly shredded
  • 4 ounces provolone cheese freshly sliced
  • 1 tablespoon chopped fresh parsley
Au Jus
  • 1 cup reserved braising liquid from the French Onion Braised Chuck Roast
  • 1 cup beef broth
  • 1 teaspoon Worcestershire sauce
  • ¼ teaspoon black pepper

Equipment

  • Large skillet or griddle
  • Small sauce pan
  • Spatula
  • Cutting Board
  • Chef's knife
  • Measuring cups and spoons

Method
 

Prep
  1. Prepare French Onion Braised Chuck Roast according to recipe instructions.
  2. Reserve 1½ pounds shredded beef.
  3. Reserve 1 cup caramelized onions.
  4. Reserve 1 cup braising liquid.
  5. Shred Gruyère cheese.
  6. Slice provolone cheese.
  7. Butter one side of each bread slice generously.
Instructions
    Prepare the Au Jus
    1. Combine reserved braising liquid, beef broth, Worcestershire sauce, and black pepper in a small saucepan.
    2. Bring to a gentle simmer.
    3. Reduce heat to low and keep warm while preparing sandwiches.
    Assemble the Sandwiches
    1. Place four bread slices butter-side down.
    2. Add a layer of Gruyère cheese.
    3. Add shredded French Onion Braised Chuck Roast.
    4. Add caramelized onions.
    5. Add provolone cheese.
    6. Top with additional Gruyère cheese.
    7. Finish with remaining bread slices, butter-side facing outward.
    Grill the Sandwiches
    1. Heat a large skillet or griddle over medium-low heat.
    2. Place sandwiches onto the skillet.
    3. Cook 4–5 minutes per side.
    4. Press lightly with a spatula while cooking.
    5. Continue cooking until bread is deep golden brown and crispy.
    6. Cook until cheese is completely melted and gooey.
    Finish
    1. Remove sandwiches from skillet.
    2. Allow to rest 2 minutes.
    3. Slice diagonally.
    4. Sprinkle with fresh parsley.
    5. Serve immediately with warm au jus for dipping.

    Notes

    • Gruyère is the signature cheese for authentic French onion flavor.
    • Provolone adds extra meltability and helps create the cheese pull shown in the image.
    • Use medium-low heat so the bread becomes deeply golden before the cheese overcooks.
    • Don’t skimp on the butter. The heavily buttered crust is part of what makes this sandwich special.
    • Reserved braising liquid creates a much richer au jus than store-bought alternatives.
    • Serve immediately for maximum cheese pull.