Collagen Sausage Casing in Kenya: Yields, Mutura & Usage
One 14-metre collagen casing makes about 110 sausages, or roughly 22 mutura coils, and holds 16–18 kg of filling. That single sentence is the reason butcheries, nyama choma joints and home cooks are switching away from natural intestine — and nobody in Kenya seems to publish the numbers. So here they are, along with exactly how to use the casing, what to expect on the jiko, and how to plan a batch for a busy weekend.
Quick summary
- What it is: an edible casing made from beef collagen, 14 m long, 40 mm wide, ready to use straight from the pack.
- Yield: ~110 links at 12 cm, ~90 at 15 cm, ~22 mutura coils at 60 cm — about 16–18 kg of filling in total.
- No soaking. Natural intestine needs flushing, scraping and hours of soaking. This does not.
- Halal: stated 100% Halal on this product.
- Best for: mutura, thick butcher-style sausages, boerewors coils, chorizo-style links.
- Eats like the real thing: collagen cooks with the meat and gives you the snap. You do not peel it off.
How many sausages will one casing actually make?
This is the question every butcher asks and almost nobody answers. Here is the arithmetic, worked from the casing's real dimensions — 14 m of length at 40 mm diameter — with about 5% set aside for knots, tie-offs and trimmed ends.
| If you twist links at… | You get roughly… | Each one weighs about… | Typical use |
|---|---|---|---|
| 8 cm | 165 links | 105 g | Cocktail bites, smaller portions, buffet trays |
| 10 cm | 135 links | 130 g | Standard breakfast sausage |
| 12 cm | 110 links | 160 g | The everyday butchery link |
| 15 cm | 90 links | 200 g | Grill sausage, one per plate |
| 20 cm | 65 links | 265 g | Hearty nyama choma portion |
| 30 cm lengths | 44 pieces | 0.4 kg | Short mutura lengths |
| 60 cm coils | 22 coils | 0.8 kg | Classic mutura coil for the jiko |
Total filling capacity: about 16–18 kg per casing. Where you land in that range depends on how firmly you stuff. Fill snug but with a little give and you will be near the top; stuff loose and you will use more casing per kilo.
Planning a batch — the numbers that matter to a business
Work backwards from plates, not from casings. A 15 cm link is about 200 g, so:
- A 50-plate weekend at one 15 cm sausage per plate: 50 links ≈ 10 kg of filling, a little over half a casing.
- A 200-plate event: 200 links ≈ 40 kg of filling ≈ 2¼ casings. Buy three; keep the spare sealed.
- A butchery doing 20 kg of sausage a day at 12 cm links: roughly one casing and a bit per day, about 8 a week.
- Mutura for a busy Saturday: 20 coils of 60 cm ≈ 16 kg of filling ≈ one casing.
Two practical notes. First, cost per link falls as your links get shorter, because you are spending the same casing over more portions — worth knowing when you set portion sizes. Second, always keep one spare casing sealed. A burst run or a bigger crowd than expected is the difference between finishing service and turning people away.
Why collagen instead of natural intestine?
Mutura has always been made in natural intestine, and there is nothing wrong with that. But if you have ever prepared it for a crowd, you know the real cost is labour and uncertainty.
| Natural intestine | Collagen casing | |
|---|---|---|
| Preparation | Flush, scrape, rinse repeatedly, soak | Open the pack and load it |
| Diameter | Varies along its length | Even 40 mm from end to end |
| Cooking | Thin patches burst; thick patches stay chewy | Cooks at one rate the whole way |
| Smell in prep | Strong — needs a dedicated sink and time | Neutral |
| Waste | Tears and unusable sections are normal | Predictable; you can plan a batch |
| Storage | Short window, needs cold | Cool, dry and sealed is enough |
| Consistency for selling | Every link looks different | Every link looks the same |
That last row is the commercial one. A customer paying for a plate of sausage is buying with their eyes first. Uniform links look like a business; uneven links look like an experiment.
How to use it, step by step
1. Prep the casing
No overnight soak. If the casing feels dry or stiff, wipe it with a little clean water so it slides onto the nozzle and stays supple. Do not leave collagen sitting in water — unlike natural casing, it will soften too far and tear.
2. Get the filling cold
This is the step most people skip and it matters more than anything else. Chill your minced meat and fat until they are properly cold before stuffing. Warm fat smears, separates and leaks out on the grill, leaving you with a dry, crumbly sausage. Cold mix fills cleanly and holds together.
3. Ruffle the whole length onto the nozzle
Slide the entire casing onto the stuffing horn — a sausage stuffer nozzle, a wide funnel, or the tip of a piping bag all work. Gather it right up, then tie a knot in the leading end. Loading the full length means you are not stopping to reload mid-run.
4. Fill steadily, and under-fill slightly
Feed the filling through at an even pace, letting the casing come off the nozzle as it fills. Aim for firm-but-yielding, not drum-tight. A slightly under-filled casing survives twisting, handling and heat; an over-stuffed one splits the moment it hits the jiko. Work air pockets out as you go by pressing them back toward the nozzle.
5. Twist or coil
For sausages, pinch and twist at your chosen length — alternate the twist direction each time so the links hold each other in place. For mutura, leave it as one long coil and tie off the end.
6. Cook it right
For mutura: simmer gently in water first until cooked through, then finish over charcoal until the skin browns and blisters. Boiling first is what stops a thick coil being raw in the middle and burnt outside.
For sausages: grill, pan-fry or poach until fully cooked through. Keep the heat moderate. Collagen skin browns beautifully but a raging fire will split it before the centre is done.
Do you need to prick it? If your fill was cold and you left a little give, no. Pricking releases fat and juice — the things you want to keep.
Storing casings in Kenyan conditions
Heat and humidity are the two things that shorten a casing's life, which makes coastal and lakeside kitchens the ones to watch.
- Keep casings sealed. Air is the enemy — an open pack dries out and goes brittle.
- Store cool and dry, away from the cooker and out of direct sun. A closed cupboard beats an open shelf.
- Do not freeze collagen casing. Freezing damages the structure and it tears when you stuff it.
- In humid coastal heat, add a second sealed bag around the pack.
- Only moisten the length you are about to use — never the whole casing "to be ready".
Fixing the five things that go wrong
| What you see | Why | Fix |
|---|---|---|
| Splits while twisting | Over-stuffed | Fill firm, not tight; leave a little slack before twisting |
| Bursts on the grill | Air pockets, or heat too high | Press air out while filling; drop the heat and give it longer |
| Fat leaks, sausage turns dry | Filling was warm when stuffed | Chill the mix and the fat properly first |
| Casing tears going onto the nozzle | Too dry, or soaked too long | A light wipe of water only — never a long soak |
| Links won't hold their shape | Twisted all one direction | Alternate the twist direction along the run |
A note on caliber — and on smokies
Worth being straight about this: at 40 mm this is a wide casing. That is exactly right for mutura, boerewors coils, thick butcher-style sausages and chorizo-style links. It is not the caliber of a classic thin Kenyan smokie, which is a much narrower sausage. If a slim smokie is what you are after, you want a narrower casing — ask us and we will tell you honestly rather than sell you the wrong width.
What else you need
Casing is one part of the setup. To make sausage properly you need to mince and fill:
- Commercial electric meat grinder/mincer — for butcheries, nyama choma joints and anyone doing volume.
- Electric meat grinder & food chopper (3L) — for home kitchens and small batches.
- Hospitality & catering supplies — trays, tongs and serving gear for the rest of the service.
Frequently asked questions
How many sausages does one casing make?
About 110 sausages at 12 cm, 90 at 15 cm, or 135 at 10 cm. As mutura, about 22 coils of 60 cm. In total the casing holds roughly 16–18 kg of filling.
Do I need to soak collagen casing?
No. It is ready to use. If it feels dry, wipe it with a little clean water. Never leave it soaking — it will weaken and tear.
Is the casing edible?
Yes. Collagen casing cooks and is eaten with the sausage, and gives you the snap you expect when you bite in. There is nothing to peel off.
Is it Halal?
This casing is stated 100% Halal.
Can I use it for mutura?
Yes — at 40 mm it is a good width for mutura. Fill it as one long coil, boil gently until cooked through, then finish over charcoal.
Can I make sausages without a sausage stuffer?
Yes. A wide funnel or a piping bag with a large nozzle both work. It is slower than a stuffer, but the result is the same. Keep the filling cold and fill in a steady, even push.
Can I freeze the casing?
No. Freezing damages collagen casing and it will tear when you stuff it. Keep it sealed, cool and dry instead.
Can I freeze the finished sausages?
Yes. Once stuffed and linked, sausages freeze well. Freeze them in a single layer first so they do not stick together, then bag them.
Ready to make a batch?
Get the edible collagen sausage casing here — 14 m × 40 mm, Halal, ready to use, enough for roughly 110 sausages or 22 mutura coils per casing.
Not sure which width suits what you are making, or how many casings a function needs? Message us on WhatsApp and tell us how many plates you are serving — we will work the quantity out with you. Same-day delivery in Nairobi, nationwide shipping across Kenya, and M-Pesa accepted.