Carbonnade is a traditional stew made with beef and dark beer. Often referred to as carbonade flamande or stoverij, it features simple ingredients, but results in a rich and hearty dish. Although beef is the main ingredient in carbonnade, the crucial element for the dish is traditional Belgian dark beer.
It gives the dish certain sour and earthy flavors that perfectly complement the sweet onions and tender beef. Thyme, garlic, and bay leaves are added for extra flavor, while slices of mustard bread are sometimes added in order to thicken the sauce.