Grilled Ancho Chicken - Rick Bayless

Ingredients

• 8 large garlic cloves, unpeeled
• 8 medium (about 4 ounces total) dried ancho chiles
• 1 1/2 teaspoons dried oregano, preferably Mexican
• 1/2 teaspoons black pepper, whole or freshly ground
• 1/8 teaspoon cumin seeds, whole or freshly ground
• A scant 1/4 teaspoon cloves, whole or freshly ground
• 2 cups chicken broth
• Salt
• 1 12-ounce bottle of beer (I used Negra Modelo)
• 1 5 to 6 pound whole chicken roaster, rinsed and patted dry
• Finishing salt