It's the first day of spring and Rocco Dispirito's fresh recipes are a great way to celebrate. Put away the stews and chowders that have helped keep you warm during the winter months in favor of lighter fare for a warmer season. Rigatoni is one of the biggest, baddest, toothiest pastas, so it needs to be served with a hearty, big-flavored sauce substantial enough to stand up to it. The ricotta-and-walnut combination in this recipe makes a perfect match. Full Story