"Ingredients 3 pounds small boiling potatoes or medium sweet potatoes, cut in half 8 quarts littleneck or cherrystone clams 12 ears corn, husks on 2 pounds red or yellow onions, peeled and cut in half 8 quarts mussels, well-rinsed and debearded 12 chicken thighs optional 3 pounds spicy sausage such as chorizo, linguica"