Watch foods melt before your eyes. Chill out as Lily tries to solve the mystery behind Baked Alaska, a frozen dessert that doesn't melt in the oven. On the hunt for a simple snack, Avery visits a local cheese shop and discovers there's more to cheese than just cheddar. Back at the kitchen with Matt, Lily and Avery use a variety of cheeses and fresh veggies to see who can make the best twist on an ooey-gooey melted favourite: grilled cheese sandwiches.