A Chopped Thanksgiving

Some of the ingredients in the first basket are difficult to identify and even more difficult to incorporate into proper appetizers. In the second round, the chefs open the basket to find a gargantuan seafood surprise. And when the final two chefs move on to the dessert round, they must waste no time inventing dishes using jicama, but a hiccup with the ice cream machine leaves one competitor unsure of how to carry on.