INGREDIENTS
•
3 pounds sweet onions, thinly sliced
•
4 tablespoons unsalted butter, melted
•
2 teaspoons brown sugar
•
2 teaspoons sherry vinegar
•
1 tablespoon Worcestershire sauce
•
5 fresh thyme sprigs
•
3 bay leaves
•
6 cups beef stock
•
Kosher salt and freshly ground black pepper, to taste
•
1 (12-ounce) French baguette, sliced
•
2 cups Gruyère cheese, shredded
Go To Recipe