Stuff You Should Know
Stuff You Should Know

Selects: How Peanut Butter Works

August 01, 2026 • 56m

Summary

⏱️ 8 min read

Overview

This episode explores the history, production, and cultural significance of peanut butter in America. Josh and Chuck dive into how this uniquely American food was invented, evolved through industrialization and hydrogenation, and became a pantry staple. They discuss the different varieties, health aspects, regulations, and even their own personal peanut butter preferences and quirky eating habits.

The All-American Nature of Peanut Butter

Josh and Chuck introduce the topic by revealing a surprising fact: peanut butter is viewed as weird or gross in many countries outside the United States, similar to how Americans view Vegemite. Despite this, peanut butter stands out as perhaps the most American food invention, even more so than hamburgers or hot dogs, which have European origins. The hosts share their personal love for peanut butter in various forms, from smooth to crunchy, and discuss their favorite brands and ways to enjoy it.

  • Many countries including Britain and China find peanut butter weird and gross, similar to how Americans view Vegemite
  • Peanut butter is arguably the most American food invention, unlike mac and cheese, hot dogs, and hamburgers which came from Europe
  • Josh prefers smooth peanut butter and eats it in various ways, including with honey or Cool Whip
  • Chuck enjoys both crunchy and smooth, and has switched to natural varieties without hydrogenated oils
" Mac and cheese came from Europe, hot dogs came from Europe, hamburgers, even though I would argue that the hamburger as we know it is pretty American. But peanut butter, just us as far as modern times go. "

Personal Peanut Butter Quirks and Culture

Josh and Chuck share their deeply personal and quirky eating habits involving peanut butter and peanuts. From Josh's ritual of eating peanut M&Ms by cracking them in half to eat each component separately, to Chuck's practice of sucking on whole peanuts at baseball games before shelling them, these habits reveal the intimate relationship Americans have with peanut butter. They also discuss the phenomenon of arachibutyrophobia—the fear of peanut butter sticking to the roof of your mouth.

  • Chuck enjoys peanut butter with mayonnaise sandwiches and considers it one of the best things in the world
  • Josh cracks peanut M&Ms in half to eat the chocolate shell and peanut separately
  • Chuck sucks on whole peanuts at baseball games to get the salt before shelling them
  • Arachibutyrophobia is the actual fear of peanut butter getting stuck on the roof of your mouth
" If you want to get tubby really fast, let me introduce you to the wonder that is a spoonful of peanut butter scooped in some Cool Whip. "
" A peanut butter and mayonnaise sandwich is one of the best things in the world. "

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