French Onion Soup with Bourbon and Guinness Recipe - (4.4/5)

Ingredients

• 3 tablespoons unsalted butter , cut into 3 pieces
• 6 large yellow onions (about 4 pounds), halved and cut pole to pole into 1/4-inch-thick slices (see illustration below)
• Table salt
• 1 1/2 cups water
• 1/4 cup Bourbon
• 1 C Guinness
• 4 cups low-sodium chicken broth
• Cheese Croutons
• 1 small baguette , cut into 1/2-inch slices
• 8 ounces shredded Gruyère cheese (about 2 1/2 cups)
• 2 cups beef broth
• 6 sprigs fresh thyme , tied with kitchen twine
• 1 bay leaf
• Ground black pepper