Stove-Top Crawfish Boil

INGREDIENTS

• 12 ounces link Andouille sausage, cut into 2-inch pieces
• 2 ears corn, cut into 2-inch pieces
• 3 pounds live crawfish (seasonally available in some places -- there is no substitute)
• 1 tablespoon liquid crab boil (available from specialty food stores)
• Salt and cayenne
• 2 bags crab boil (such as Old Bay seasoning)
• 1 pound small red bliss potatoes
• 4 garlic bulbs, halved horizontally
• 3 lemons, halved
• 1/2 pound button mushrooms
• 2 onions, quartered