We chat with flavor chemist Dr. Arielle Johnson about how to eat a tree, how insects use flavor molecules to communicate and the science of taste and smell. Plus, Meathead Goldwyn teaches us how to grill perfect steaks; J. Kenji López-Alt investigates food expiration dates; and we make a no-fuss, all-flavor Spanish Almond Cake.

Get this week's recipe, Spanish Almond Cake: https://www.177milkstreet.com/recipes/spanish-almond-cake-tarta-de-santiago