For a throwback, we’re looking back at one of our all-time favorite episodes—our science episode from 2020. 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 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 the recipe for Spanish Almond Cake here.

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