Overview: Test cook Julia Collin Davison shows host Christopher Kimball how to make the best Guinness Beef Stew. Then, equipment expert Adam Ried reveals his top picks for whisks. And finally, test cook Bridget Lancaster shows Chris how to make perfect Brown Soda Bread. Recipes: Guinness Beef Stew, Brown Soda Bread, Brown Soda Bread with Currants and Caraway Equipment Reviews: All-Purpose Whisks