Irish Onion Soup - Brennans Market

Ingredients

• 2 tablespoons unsalted butter
• 2 medium yellow onions, halved lengthwise and sliced crosswise into 1/2-inch thick pieces
• 3 tablespoons Irish Whiskey
• 1 tablespoon granulated sugar
• 1 1/2 teaspoons, plus a pinch of kosher salt
• 1 1/2 tablespoons all-purpose flour
• 1 clove garlic, finely chopped
• 1/2 cup dark beer, Guinness or a micro-brewed Stout
• 6 1/2 cups beef stock or broth
• 1/2 teaspoon freshly ground black pepper
• 8 – 3/4-inch thick slices baguette, day-old
• eight 1/4-inch thick slices Sharp Cheddar, Irish or Wisconsin