Overview: Test cook Keith Dresser makes host Bridget Lancaster the ultimate Pork, Fennel, and Lemon Ragu with Pappardelle. Then, tasting expert Jack Bishop challenges host Julia Collin Davison to a tasting of fontina cheese. Finally, test cook Becky Hays shows Julia how to make the best Pasta with Eggplant and Tomatoes (Pasta alla Norma).