Cauliflower Soup: Minestra di Cavolofiore

Name: Cauliflower Soup: Minestra di Cavolofiore
Ingredients: 1/4 cup extra-virgin olive oil; 2 pounds cauliflower, cut into florets; 4 cups brown chicken stock, recipe follows; 2 cloves garlic, sliced; 2 bay leaves; 1 cup crushed tomatoes; Pinch red pepper flakes; Salt and pepper; 1 pound mezza ziti (half-sized ziti); 2 tablespoons extra-virgin olive oil; 3 1/2 pounds chicken wings, backs, and bones; 3 carrots, coarsely chopped; 2 onions, coarsely chopped; 4 ribs celery, coarsely chopped; 2 tablespoons tomato paste; 1 tablespoon black peppercorns; 1 bunch parsley stems