🧀 French Onion Meatloaf Gruyère This cozy, flavor-packed meatloaf blends the sweetness of caramelized onions with creamy melted Gruyère, delivering a rich and satisfying dish that’s perfect for a comforting family dinner or a relaxing night at home. 🥩 Main Ingredients 1 ½ pounds ground beef 1 cup breadcrumbs ½ cup milk 2 large onions, thinly sliced 2 cloves garlic, minced 1 egg, beaten 2 tablespoons Worcestershire sauce 1 tablespoon Dijon mustard 1 teaspoon dried thyme ½ teaspoon salt ½ teaspo