Pasta Night at Rach's + Christopher Kimball's Cream-Free Tomato Soup

It's pasta night at Rach's! She's making Chitarra (guitar string pasta) with guanciale and leeks. Delish! As for Chef Christopher Kimball, he's whipping up a cream-free tomato soup and strata to go with it. For dessert, Rachael's sister Maria is baking her delicious olive oil cake.