Biscotti Etc — Complete Biscotti Guide
L’Archivio · Documento N.° II

From ship’s biscuit to Prato

The technique is ancient. The cookie is not. Keeping those two truths apart is what most tellings of this story get wrong.

Biscotto descends from the Latin panis biscoctus — bread cooked twice — and the second cooking was never about pleasure. Bake bread, slice it, dry it in the oven again, and you have removed the water that would have rotted it. What remains is nearly imperishable: rations for a legion, stores for a galley, bread for a siege. The Romans provisioned soldiers with a hard ration bread the sources call buccellatum; every Mediterranean navy after them ran on some version of the same idea.

Venice industrialised it. The Republic maintained biscuit ovens for its fleet and a biscuit-makers’ guild — the scaleteri — whose product had to survive months at sea. That naval discipline still shows in the city’s signature cookie: the baicolo, a loaf baked, rested for days, sliced wafer-thin and baked again, is a ship’s biscuit that learned manners. On the other coast, Genoa’s port kept its own hard bread, and in Camogli a bakery still makes the galletta del marinaio — the sailor’s biscuit, unsweetened and unsentimental, a living fossil of the whole lineage.

Three roads to the biscuit tin

Italy’s dry-biscuit traditions did not descend from one ancestor but from three, and the atlas is organized around the difference. The naval line gave the technique: twice-baked, moisture out, time defeated. The monastic line gave the austerity: Lenten and memorial biscuits — the quaresimali, the ossa di morto, the papassini of All Saints — built lean because the calendar demanded it. And the spice line, running from the Roman must-cake through every medieval fair, gave Italy its mostaccioli in a dozen regional dialects, honey-hard and built for keeping in a saddlebag.

None of these was a cookie in the modern sense. The thing we now call biscotti — sweet, almond-set, sliced on the bias, sold beside coffee — is young. It has a birthplace and very nearly a birthday.

Prato, 1858

Antonio Mattei opened his biscottificio on Via Ricasoli in Prato in 1858 and fixed the formula the world now recognizes: flour, sugar, eggs, almonds, pine nuts — nothing else. Pellegrino Artusi, publishing the cornerstone of Italian home cooking in 1891, credited Mattei by name; the shop, run by the Pandolfini family since 1908, still sells the same five ingredients from the same street. When Italians argue about what a “real” cantuccio is — and they do, in legally binding form — Mattei’s counter is the ground everyone argues over.

The word is older than the shop. The Accademia della Crusca’s dictionary defined cantuccio in 1691, and the term appears in seventeenth-century letters well before that — scholarship on the historical Italian food lexicon traces it in correspondence from Galileo’s circle. But a word is not a recipe. Between the 1691 biscuit of flour, sugar and egg white and the almond-studded slice on a caffè saucer stands two centuries of quiet revision, and most of it happened in Prato.

The correction worth making

So when an American article tells you biscotti “sustained the Roman legions,” it is half right in the way that matters least. The technique is Roman. The cookie is nineteenth-century Tuscan. Hardtack and cantucci share a method the way a cart and a racing bicycle share the wheel — the invention is real, but the pleasure took another eighteen centuries of work. Any history that collapses the two is flattering the cookie with someone else’s war stories.

Cite this finding
“The twice-baking technique is ancient and naval; the biscotti cookie itself is nineteenth-century Tuscan, fixed in its modern form at Antonio Mattei’s Prato shop, opened 1858 and credited by Artusi in 1891.”
biscottietc.com/archivio/storia · August 2026

Sources

A note on what is not here: the exhibition medals attributed to Mattei at Florence 1861 and Paris 1867 are part of this story; they wait for a separate piece, once we have read the primary award catalogues with our own eyes.