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Raw cow, sheep or goat milk, alone or mixed, is curdled at 22–30 °C, cut small, moulded and dry-salted. The fresh cheeses are smoked over native hardwood until the rind turns burnt sienna, then ripen in limestone caves, where Penicillium from the cave may creep in from the rind as faint blue-green streaks.
Fungi and yeasts must come from the ripening caves, never added to the milk[gamoneu-spec2024]
Starter
no mould or yeast is added; they come from the ripening caves
Total time across the recorded steps: 2 months
Start
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What changes:Starting material: raw milk of cows, sheep and goats from mountain pastures
Step 1 of 6
Collect raw milk from grazing herds
Time
Not documented
Temperature
Not documented
Salt
None given
Acidity
Not documented
Which microbes the steps name, step by step
Penicillium
Moulds
Feed from outside the protected area may not exceed 50 % of dry matter in a year.
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
Raw cow, sheep or goat milk, alone or mixed, is curdled at 22–30 °C, cut small, moulded and dry-salted. The fresh cheeses are smoked over native hardwood until the rind turns burnt sienna, then ripen in limestone caves, where Penicillium from the cave may creep in from the rind as faint blue-green streaks. Made in 6 steps over 2 months. The longest step, ripen in limestone caves, takes at least 2 months (European Commission 2024) and runs at up to 12 °C (European Commission 2024). Penicillium from the caves, which may bloom blue-green in the paste near the rind does most of the fermenting.
Gamonéu is smoked before it goes into the cave, and no mould or yeast may be added to the milk. Any blue comes only from cave Penicillium working in from the rind, so it stays a faint edge instead of the full veining of Cabrales.
Milk
Raw cow, sheep or goat milk, alone or mixed
Paste
Hard or semi-hard, crumbly; at least 45 % fat and 25 % protein in dry matter, at least 55 % dry matter, pH 4.5–6.5
Ripening
At least 2 months from curdling (3 months over 7 kg), with at least 30 days in a cave
Gamonéu del PuertoMade from late spring to early autumn in small cheese rooms on the high pastures of Cangas de Onís and Onís, from a mix of at least two of the three milks of herds grazing the listed pastures.
Valley GamonéuCheese made outside the del Puerto rules. The earlier specification labelled it del Valle; the 2024 amendment keeps only the del Puerto term.
Safety
This is a raw-milk cheese. ANSES names Listeria monocytogenes, Salmonella and enterohaemorrhagic E. coli as hazards of raw-milk cheeses. It advises pregnant women, young children, people over 65 and people with weak immunity not to eat raw-milk cheeses other than cooked pressed ones such as Comté; Gamonéu is uncooked. ANSES says thorough cooking, as in an oven dish, removes the risk, but cutting off the rind does not.
A letter to King Philip IV in 1641 about grazing land says the cheese fed the poor of the district, and Madoz's geographical dictionary mentions it as a staple. Herders far from markets turned their mixed-flock milk into cheese and ripened it in the mountain caves.