Test cook Lan Lam shows Julia Collin Davison how to build a showstopping Ice Cream Cake. And science expert Dan Souza reveals the unexpected powers of melting ice.

Test cook Keith Dresser prepares host Bridget Lancaster a hearty German Farmer's Breakfast (Bauernfrühstück). Equipment expert Adam Ried reviews cookie sheets. And Bridget makes host Julia Collin Davison a delicious Appeltaart (Dutch Apple Pie).

Test cook Vallery Lomas makes host Bridget Lancaster a savory Turkey Sausage Lasagna. Tasting expert Jack Bishop talks all about sugar. And test cook Antoinette Johnson makes a refreshing Chocolate Sorbet for host Julia Collin Davison.

Venezuelan cheese-filled corn cakes; dish towels; importance of a sharp knife; fresh corn chowder.

Test cook Keith Dresser makes host Julia Collin Davison Spaghetti All'Assassina, a hyperlocal dish from Bari, Italy. Tasting expert Jack Bishop challenges Julia and host Bridget Lancaster to a head-to-head tasting of canned whole tomatoes. And test cook Elle Simone Scott makes Bridget a Triple Mushroom Pasta.

Glazed boneless beef short ribs; tools and tips for easier meal prep; make-way-ahead dinner rolls.