Test cook Julia Collin Davison uncovers the secrets to cooking with a slow cooker. First, she teaches host Christopher Kimball how to make the ultimate Old-Fashioned Chicken Noodle Soup. Next, she reveals the test kitchen’s secrets for foolproof Pork Loin with Cranberries and Orange. Then, she makes the perfect Chocolate–Hazelnut Bread Pudding. And finally, gadget guru Lisa McManus discusses how to buy a slow cooker and how to know the temperature of your slow cooker.