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Ewe milk, raw or pasteurised, is warmed, usually with a whey or culture starter added, 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.
No fixed amounts recordedThe method varies by area and dairy, and the sheet gives no batch size. Cheeses weigh 1–3 kg, and some over 30 kg.
Ewe milk from two milkings
Chilled to 4 °C and filtered through cloth or a centrifuge[arsial-romana]
Starter (not in every area)
Farm whey starter, mesophilic or thermophilic cultures; ONAF lists Sermoneta, Castel San Pietro Romano and Cellere with no starter[arsial-romana][onaf-sheet]
Lamb or kid paste rennet, calf powder rennet or liquid rennet
farm whey starter at 36 °C, mesophilic cultures at 36 °C, or thermophilic cultures at 38–39 °C, depending on the area; none in Sermoneta, Castel San Pietro Romano and Cellere
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
Reported
Temperature
68–75 °C
Reported
Salt
None given
Acidity
Not documented
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
At a glance
Ewe milk, raw or pasteurised, is warmed, usually with a whey or culture starter added, 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…).
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. Most areas add a whey, mesophilic or thermophilic starter, but ONAF lists Sermoneta, Castel San Pietro Romano and Cellere as using none. The Lazio list marks it as allowed to use derogations from the standard hygiene rules for its traditional methods.
ARSIAL calls it historically 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 most historic Lazio products. ONAF instead calls its history relatively recent, saying the caciotta arose once transhumance was given up and the cold chain developed, when makers sought a milder, less piquant cheese for a wider public.