Fermented Fish Sauce—Rome’s Favorite Condiment
A Roman feast hits the table and the first thing poured on every dish is garum—a fermented fish sauce that reeks so powerfully, you can smell the factory for miles.

Salvator Rosa — "The Dream of Aeneas" (1660–65), public domain
Rome’s Power Sauce: Garum
A Roman dinner wasn’t complete without a generous pour of garum—fermented fish sauce. The taste: salty, sharp, and almost addictively pungent. Its smell? Strong enough to clear a street, according to ancient complaints.
From Rotting Fish to Imperial Luxury
Garum factories lined the coasts of Spain and North Africa, churning out amphorae filled with liquefied fish guts. Roman cooks splashed it on nearly everything—bread, beans, even desserts. By the first century CE, the fanciest garum fetched outrageous prices and had brand-name fans.
Your Ketchup is Their Garum
The next time you reach for ketchup or soy sauce, remember: Rome’s big flavor came from fermenting fish in the sun until it oozed. In the ruins of Pompeii, you can still see the jars that held the good stuff.
Garum was so popular and valuable, some bottles cost more than imported wine. The best brands were shipped in clay amphorae all over the empire. If you ate in Rome, you ate rotting fish juice—and probably wanted seconds.