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Fermentation Atlas

Cheese from Italy, Piemonte

Toma ajgra

Made in 6 steps over 3 months. The longest step, ripen, takes at least 3 months (ONAF).

Key numbers
Main stepat least 3 monthsReported[onaf][onaf-sheet][pat-sheet]Ripen
Temperature30–35 °CReported[onaf][onaf-sheet][pat-sheet]Set the curd

Recipe

No fixed amounts recordedWhat goes in. No source gives amounts for this ferment.
cow milk, (mostly Bruna Alpina), raw, whole; evening milk creamed overnight in basins in running water, gaining acidity, then mixed (cream left in) with morning milk

Total time across the recorded steps: 3 months

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

Step 1 of 6
Prepare the milk
Time
Not documented
Temperature
Not documented
Salt
None given
Acidity
Not documented

C (mostly Bruna Alpina), raw, whole; evening milk creamed overnight in basins in running water, gaining acidity, then mixed (cream left in) with morning milk

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

'Sour toma' made from acidified milk: hard, crumbly, eyeless paste with an amber rim, yogurt-sour when young.

Rind
Rustic, hard, grey from dark grey moulds
Size
2.0–3.0 kg; cylinder ø about 20 cm, side 8–10 cm

History and sources

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

  1. [onaf] ONAF, scheda formaggio 'Toma ajgra' (id 472)web
  2. [onaf-sheet] ONAF technical sheet PDFweb
  3. [pat-sheet] Regione Piemonte, schede tecniche PAT 2015gov