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Cooked vs uncooked tomato sauce

Cooked tomato sauce:
Uncooked San Marzano-style tomato sauce:

Both subjects must be shot at the same physical scale — no cropping one closer than the other

FieldCooked tomato sauceUncooked San Marzano-style tomato sauce
PreparationPre-cooked and reduced before applicationRaw crushed or hand-passed tomatoes applied uncooked
TextureThicker, reduced, more concentratedLoose, slightly chunky, uncooked puree
AcidityModerateHigh
Water contentModerateHigh
Typical application90-150g per 30cm pizza — its lower water content tolerates a slightly heavier hand60-90g per 30cm pizza, applied thinly since it cooks entirely during the bake
Best bake typeLonger, lower-temperature bakes, since the flavour is already developed before bakingVery high, short bakes — relies on the bake itself to cook it through
Typical stylesNew York, Detroit, Chicago tavern-style, GrandmaNeapolitan, Marinara, pizza canotto
Main risk if mismatchedTastes flat if under-seasoned or over-reduced; too much sugar produces an overly sweet, commercial tasteTastes raw or acidic if used on a bake too cool or slow to finish cooking it

Which suits you

Use cooked tomato sauce for any style baked longer or cooler than a genuine high-heat Neapolitan bake — its flavour is already developed, so it doesn't rely on the bake itself to finish cooking. Reserve uncooked sauce for genuinely very hot, fast bakes (Neapolitan, pizza canotto), where the short cook time is exactly what the raw sauce is designed for; used on a slower bake it will taste raw rather than developed.

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