In this episode, hosts Julia Collin Davison and Bridget Lancaster make the ultimate Crispy Fish Sandwiches with Tartar Sauce. Equipment expert Adam Ried shares with Julia his top picks for pepper mills, and testing expert Jack Bishop challenges Bridget and Julia to a horseradish tasting. Science expert Dan Souza explains the science behind solidifying fry oil. Test cook Keith Dresser makes Julia showstopping Rhode Island-Style Fried Calamari.