Although peanuts have been feeding us for basically ever, peanut butter is a pretty new invention. In this classic episode, Anney and Lauren explore how peanut butter came to be, plus the science of how it stays fresh for so long.

The Moka Pot: Grounds for an Episode
33:52

Cottage (Cheese) Core
31:57

Spilling the Beans About Cassoulet
34:05