French Onion Soup Meatloaf The Ultimate Comfort Classic

Ingredients

• 2 large yellow onions, thinly sliced (about 600g / 21 oz)
• 2 tablespoons olive oil (30 ml / 1 fl oz)
• 1 tablespoon butter (15g / 0.5 oz), unsalted
• 1 teaspoon sugar (5g / 0.17 oz)
• 1/2 teaspoon salt (3g / 0.1 oz)
• 1/4 teaspoon black pepper (1g / 0.03 oz)
• 1/4 cup dry red wine (optional) (60 ml / 2 fl oz)
• 2 pounds ground beef (850g) (80/20 blend recommended)
• 1 cup panko breadcrumbs (60g / 2.1 oz)
• 1/2 cup beef broth (120 ml / 4 fl oz)
• 1 large egg, lightly beaten (approx. 50g / 1.8 oz)
• 2 cloves garlic, minced (approx. 6g / 0.2 oz)
• 1 tablespoon Worcestershire sauce (15 ml / 0.5 fl oz)
• 1 teaspoon dried thyme (2g / 0.07 oz)
• 1/2 teaspoon dried rosemary (1g / 0.03 oz), crushed
• Salt and pepper to taste
• 4 cups beef broth (950 ml / 32 fl oz)
• 1 tablespoon cornstarch (8g / 0.28 oz)
• 8 ounces Gruyère cheese, shredded (225g / 8 oz)
• Crusty bread, for serving (optional)