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Fermentation Atlas

Cheese from Italy, Valle d'Aosta

Toma di Gressoney

Made in 6 steps over 21 h – 38 h. The longest step, mould and salt, takes 8–24 h (Regione VdA disciplinare tecnico).

Key numbers
Main step8–24 hSet[disciplinare][onaf][onaf-sheet]Mould and salt
Temperature35 °CSet[disciplinare][onaf][onaf-sheet]Set the curd

Recipe

No fixed amounts recordedWhat goes in. No source gives amounts for this ferment.
cow milk, raw, part-skimmed (milk rested ≥ 12 h, skimmed by rising or machine), ≤ 10% G and/or S allowed
Starter: only autochthonous ferments allowed

Total time across the recorded steps: 21 h – 38 h

Start
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What changes: Raw part-skimmed cow milk goes into the vat

Step 1 of 6
Prepare the milk
Time
at least 12 h
Set
Temperature
Not documented
Salt
None given
Acidity
Not documented

C, raw, part-skimmed (milk rested ≥ 12 h, skimmed by rising or machine), ≤ 10% G and/or S allowed

Flavour
Not documented
Texture
Not documented
Colour
Not documented

Microbes at work in this step

Not documented for this step.

Method

Measured measured in a studySet fixed by a specification or tested recipeReported one source reports itTypical a general value, not sourced for this fermentUnconfirmed not yet checked against a source

What makes this one different

Rare alpine toma, about 4,000 wheels a year, mostly made in summer.

Rind
Washed, smooth, slightly unctuous, reddish to pink or yellow
Size
Ø 15–30 cm, height 5–20 cm, 2.0–6.0 kg

History and sources

Every number is labelled with how it is known. How this atlas is made

  1. [onaf] ONAF, scheda formaggio 'Toma di Gressoney' (id 887)web
  2. [onaf-sheet] ONAF technical sheet PDFweb
  3. [disciplinare] Regione VdA disciplinare tecnicospec