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Open a STEP / STP part and it measures itself — volume, thinnest wall, draft and undercut checks on load, plus hole detection with a BOM. Measure, section, export STL. Rust + WASM B-rep kernel, runs in your browser.
semi-dried, pungent mutton. Made in 4 steps over 3 months – 9 months. The longest step, turrur (dry) stage, takes 3–9 months (Joensen et al. 2023). Staphylococcus and Micrococcus does most of the fermenting.
No fixed amounts recordedWhat goes in. No source gives amounts for this ferment.
mutton or lamb joints
no salt
Starter: spontaneous
Total time across the recorded steps: 3 months – 9 months
Start
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What changes:Starting material: unsalted mutton joints hung in the drying shed
Step 1 of 4
Hang joints in the hjallur
Time
drying starts in October
Reported
Temperature
-5–13 °C
Reported
Salt
None given
Acidity
Not documented
Which microbes the steps name, step by step
Micrococcus surface
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
Variants
Skerpikjøtthe fully dried end stage, eaten raw sliced on bread.
Ræstur fiskurfish (often cod) hung in the hjallur until ræst; boiled and eaten with tallow.
Garnatálgfat from sheep intestines, rolled and aged in the hjallur until ræst; used as a sauce fat (process not documented this round).
Safety
No salt is used. Warm, wet weather early on causes rot and too strong a taste; cold weather nearly removes the smell. Ræst kjøt caused 9 botulism cases from 1988 to 2007, 2 of them fatal (Joensen et al. 2023).
Hazards the sources name: Clostridium botulinum (9 cases from 1988 to 2007, 2 fatal).