Farina 00

Farina 00 (also written tipo 00 or doppio zero) is Italy's finest commercial flour classification, defined by the Italian milling standard not by protein content but by fineness of grind and, most precisely, by ash content — the mineral residue that remains after combusting a flour sample. The Italian system grades flour from 00 (the lowest ash, most refined) through 0, 1, 2, and integrale (whole wheat), corresponding roughly to progressively coarser grinds and higher ash contents. Farina 00 must contain no more than 0.55 % ash on a dry-matter basis and is milled from the innermost endosperm of the wheat berry, with bran and germ almost entirely removed. The resulting flour is blindingly white, exceptionally fine in particle size (comparable to powdered sugar in texture), and homogeneous. This fineness confers a set of baking properties that make 00 irreplaceable in its canonical applications. First, it hydrates slowly and uniformly: the fine particles have a high surface-area-to-volume ratio but absorb water more gradually than coarser-ground flour, allowing the dough to develop at a controlled pace under extended cold fermentation. Second, 00 produced from soft Italian wheat varieties (grano tenero) typically has a protein content of 9–12 %, with the specific gluten quality — a balance of glutenin strength and gliadin extensibility — that enables the dough to be stretched by hand into a thin, nearly translucent disk without springing back or tearing. This extensibility, rather than raw strength, is the critical property for Neapolitan pizza. Third, the near absence of bran and germ means very low lipase and enzyme activity, giving a cleaner, sweeter, more neutral flavor than whole-grain or high-extraction flours. For Neapolitan pizza specifically, the AVPN disciplinare mandates 00 flour (or a blend not exceeding 20 % 0-grade flour). The dough's behavior at extreme heat — 430–480 °C in a wood-fired oven for 60–90 seconds — depends on the precise gelatinization and charring properties of 00 starch, producing the characteristic leopard spotting (maculatura) on the cornicione. For fresh pasta, 00 yields a silkier, more delicate sheet than semolina or bread flour, and it produces pasta that cooks tender in minutes rather than minutes with a firm bite. Some pasta traditions combine 00 with semolina di grano duro (durum semolina) for an intermediate texture. Brands matter. Molino Caputo's Cuoco (blue) and Pizzeria (red) versions are internationally recognized benchmarks, the latter specifically formulated for high-temperature pizza ovens. Caputo Saccorosso and Le 5 Stagioni are other respected Italian brands. Protein content varies from about 9 % (for fresh pasta work) to 13 % in stronger 00 varieties marketed for high-hydration contemporary pizza styles. American and other non-Italian flours marketed as '00' may mimic the grind fineness but often use harder wheat, producing a stronger, less extensible dough — functional but not equivalent.

“She weighed out 500 g of Caputo Pizzeria 00, knowing the slow-absorbing flour would need a full 24 hours of cold fermentation before the dough would be relaxed and extensible enough to hand-stretch without fighting back.”

• techniquesIdratazione / Hydration % (Pizza)
• CuisineNeapolitan Pizza
• techniquesFresh Pasta Making

1. 1.Modernist Pizza — Myhrvold & Migoya (The Cooking Lab, 2021)
2. 2.The Elements of Pizza — Ken Forkish (Ten Speed Press, 2016)
3. 3.AVPN Disciplinare Internazionale — Associazione Verace Pizza Napoletana
4. 4.Decreto Ministeriale n. 187 del 9 febbraio 2001 (Italian flour classification regulation)
5. 5.On Food and Cooking — Harold McGee (Scribner, 2004)

Confidence: high