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Podcast: New Books in Food
Episode: Q. Edward Wang, "Staple to Superfood: A Global History of the Sweet Potato" (Columbia UP, 2025)
Description: Sweet potatoes were among the American crops Christopher Columbus brought back to Europe—where they were thought to be an aphrodisiac. In China, this versatile root became a staple that fueled rapid population growth. Introduced to Japan to stave off famine, sweet potatoes later sustained the country’s imperial expansion. Because this hardy plant can thrive in almost any soil, it has long been cultivated as a subsistence crop in Southeast Asia, Africa, and Oceania. In recent years, Western health experts have begun touting the humble sweet potato as a “superfood” with numerous nutritional benefits.
Considering these events a...