Ingredients
Serves: 4
Prep time 15 mins
Cook time 45 mins
Total 1 hour
¼ cup unsalted butter
2 onions, sliced
2 garlic cloves, chopped
1 bay leaf
2 fresh thyme sprigs
Kosher salt and freshly ground black pepper
½ cup red wine
2 heaping tablespoons all-purpose flour
4 cups beef broth
1 baguette, sliced
4 slices Gruyére cheese
Preparation