Jessica Seinfeld's Balsamic Chicken Sandwich: "Everything I cook is based on how my family likes to eat—and first and foremost, how my husband likes to eat. Once, on a trip to Italy, Jerry had a sandwich he loved so much he didn’t stop talking about it for years. And I thought, “I have to figure out how to make that!” So I experimented for a while. But when I hit it, I hit it hard. Jerry was thrilled."