French onion grilled cheese is a gooey, indulgent sandwich layered with caramelized onions, melted Gruyère, and mozzarella cheese. Sweet, jammy onions cooked with sherry and balsamic vinegar create rich flavor that pairs perfectly with crusty sourdough bread. Easy enough for a cozy lunch or elevated enough for a backyard BBQ, this sandwich is sure to satisfy any cheese and onion lover. Check out Brandon on <a href="https://www.instagram.com/brandongouveia/?hl=en">Instagram</a> @brandongouveia for more recipe inspo!

Quick Info

⏱️ 100 min • 🍽️ 4 servings • ⭐ 82%

Nutrition

784 cal • 23g protein • 7g carbs • 72g fat

Tags

[Dinner] • [Lunch] • [Meal] • [European]

Ingredients

• 3 tablespoons unsalted butter
• 1 tablespoon olive oil
• 3 medium yellow onions, thinly sliced
• 1 medium red onion, thinly sliced
• ¼ cup dry sherry
• 2 tablespoons fresh thyme leaves
• 2 dried bay leaves
• 1½ teaspoons kosher salt, or more to taste
• 1 teaspoon freshly ground black pepper
• ½ cup beef stock
• 2 teaspoons balsamic vinegar
• 8 tablespoons mayonnaise
• 8 sourdough bread slices (from 1 loaf)
• 1⅓ cups grated Gruyère cheese
• 1⅓ cups shredded mozzarella cheese
• 12 tablespoons unsalted butter

Instructions Preview

1. Make the onions: Set the multicooker to hi…
2. Place the lid on the multicooker, and lock…
3. Remove the lid from the multicooker, and s…

…and 4 more steps

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Recipe by: Brandon Gouveia • From: Tasty