Pasta & Pizza with couscous

1 3/4 cups vegetable broth 1 cup couscous 1 pinch saffron , crushed 1 -2 tablespoon pine nuts , toasted 3 scallions , trimmed and thinly sliced 1 small onion[...]

1 lb carrot , sliced 3/4 inch thick on the diagonal 1 head cauliflower , cored and cut into florets (3 pounds) 1 1/2 teaspoons ground cumin 3 tablespoons[...]