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Ewe milk, raw or pasteurised, is soured with a whey or culture starter and set with lamb, kid or calf rennet in about 20 minutes. Each area then breaks, cooks, warms and salts the curd in its own way. The cheeses ripen from two weeks to over six months and are washed with oil and vinegar. Made in 9 steps over 15 days – 17 days. The longest step, dry and ripen, takes at least 15 days (ARSIAL (Lazio regional agency for agricultura…) and runs at 4–14 °C (ARSIAL (Lazio regional agency for agricultura…). Lactic bacteria of the farm whey starter and Mesophilic or thermophilic lactic starter cultures do most of the fermenting.
Herbs and spices (optional) · Some makers flavour the curd[arsial-romana]
Starter: farm whey starter at 36 °C, mesophilic cultures at 36 °C, or thermophilic cultures at 38–39 °C
Total time across the recorded steps: 15 days – 17 days
Start
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What changes:Ewe milk is used raw or pasteurised at 68–75 °C
Step 1 of 9
Prepare the milk
Time
0.2–0.4 min
Set
Temperature
68–75 °C
Set
Salt
None given
Acidity
Not documented
Which microbes the steps name, step by step
Lactic acid bacteria
Output: ewe milk from two milkings, chilled to 4 °C and filtered.
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
Made only from ewe milk, with methods that change from one dairy to the next. Cheese size follows the season, from 1–3 kg up to over 30 kg.
Rind
Thin, elastic, straw-yellow, darker when aged (ONAF)
Size
Cylinder, 1–3 kg, some over 30 kg; size follows the season
FreshShort ripening, about 15–20 days; sweet, white paste.
AgedMonths of ripening; semi-hard, slightly salty and piquant.
FlavouredHerbs and spices in the curd; ONAF names chilli, walnuts and hazelnuts.
Safety
Made from raw or pasteurised milk, always soured with a whey or culture starter. The Lazio list marks it as allowed to use derogations from the standard hygiene rules for its traditional methods.
Long tied to the Campagna Romana and its natural meadows. By tradition only ewe milk is used and the cheese size changes with the season. The INSOR atlas of typical products (I formaggi) names it among the oldest Lazio cheeses.