Test cook Bridget Lancaster uncovers the secrets to Rigatoni with Beef and Onion Ragu. Then, equipment expert Adam Ried reviews colanders in the Equipment Corner. Next, tasting expert Jack Bishop challenges host Christopher Kimball to a tasting of wh... (more)ite beans. And finally, test cook Julia Collin Davison shows Chris how to make perfect Pasta with Pesto, Potatoes, and Green Beans.