Overview: Hosts Bridget Lancaster and Julia Collin Davison uncover the secrets to making a weeknight-friendly recipe for Tagliatelle with Bolognese Sauce. Then, tasting expert Jack Bishop challenges Bridget to a tasting of crushed tomatoes. Next, science expert Dan Souza explains the surprising science behind why you can’t overcook mushrooms. Finally, test cook Becky Hays makes Julia the ultimate Meatless “Meat” Sauce.