Every culture that experiences winter has a stew. A single pot, over heat for a long time, that converts the cheapest available ingredients into something that will sustain you through January. The French have pot-au-feu. The Scots have Scotch broth. The Italians have ribollita, which is essentially yesterday’s minestrone reheated until it gives up any remaining pretence of freshness and becomes something better.
Wales has cawl (pronounced cowl, roughly, if you’ve not encountered it before), and cawl has a particular quality the others don’t quite share: it was traditionally not finished in a single session. You made a large pot. You ate from it. The pot stayed on the range, or latterly the Aga, or latterly the back burner, and you returned to it. Each heating concentrated the broth slightly. Each day the meat softened further. Each time you added something from the garden — a leek that wanted using, a turnip, more water — it changed a little. Cawl was not a recipe. It was a process, and the process could run for a week if you had a busy enough kitchen and a pot big enough.
This is not a thing you can do with a slow cooker. Or rather, you can, but you’ll get something different. The slow cooker cawl will be good. It will not have learned anything about patience.
Strip back the mythology and cawl is lamb or beef broth with root vegetables and leeks. That’s it. The magic is in the proportion of time to cheapness: this is a dish built specifically for the cuts of meat that need the longest cooking — neck, scrag end, shank — and the vegetables that survive winter in root cellars rather than the ones you’d want fresh.
The name appears in Welsh texts from the fourteenth century, though variants of the dish are likely older. Cawl meant broth or soup in Middle Welsh; the stew that carries the name now is probably the more elaborate descendant of something simpler, thickened and extended as the Welsh kitchen evolved. By the nineteenth century it was the staple dish of Welsh working families, particularly in the south Wales valleys and the rural west. Miners brought cawl to work in flasks; farmers’ wives kept it going through lambing season when there was no time to cook from scratch every day.
The shared bowl tradition is real: historically, cawl was often eaten from a single large wooden bowl passed around the table, everyone dipping their spoon in turn. The broth first, then the meat and vegetables divided between people. The communal bowl is mostly gone now, which is probably fine from a hygiene standpoint, but something about the image of it — the whole family leaning in to the same bowl in a farmhouse in Pembrokeshire in 1890 — tells you something about what cawl was for. It wasn’t dinner. It was the reason to gather.
A word on the bone broth trend, because cawl is the original bone broth dish and the wellness industry has done something peculiar to the concept. Bone broth as sold in health food shops — shelf-stable, carefully branded, priced per mug — is cawl with the meat and vegetables removed and a margin added. The nutritional claims are broadly true: long-cooked bones do release collagen, gelatin, minerals. Cawl made properly, with a bone-in cut and eight or more hours of cooking, will produce a broth that sets solid in the fridge. The science behind it is real. Your great-grandmother knew this not because she’d read about collagen but because she could feel the difference between watery broth and proper broth, and she knew which one would see a sick child through January.
What the wellness framing tends to miss is that the broth was never the point on its own. The meat and vegetables are in there too. You eat them. The whole thing together, broth and substance and fat and fibre, is what makes it a meal that will carry you. Extracted from that context, poured into a mug and called a health product, it’s still useful but it’s no longer cawl. Make the whole thing. Eat the whole thing.
This is a version that works on a modern hob, in a pot you actually own, using ingredients you can find without visiting three different shops. It serves four generously, or two for two days, which is closer to the original spirit.
You’ll need around 1kg lamb neck fillet or shoulder on the bone (the bone matters — ask a butcher, or look for shoulder chops), 2 large leeks, 3 medium carrots, 2 medium parsnips, 2 medium waxy potatoes (not floury — they’ll disintegrate), 1 small swede or half a large one, 1 onion, a few sprigs of thyme and a bay leaf, salt and white pepper, and cold water to cover — around 2 litres. Optional but traditional: a small bunch of fresh parsley, chopped, added at the end.
Put the lamb in a large pot. Cover with cold water — cold, not hot. Bring slowly to a simmer and skim off anything grey that rises (this takes ten minutes or so and is worth doing; it clarifies the broth). Add the onion, thyme, bay, a teaspoon of salt, a few grinds of white pepper. Put the lid on, reduce to the lowest simmer you can manage, and leave it.
For how long: a minimum of two hours; three is better; four is not too long if you’re doing other things. The meat should be falling from the bone — genuinely falling, not requiring encouragement. When it does, lift it out, let it cool slightly, and separate meat from bone. Discard the bone, any large pieces of fat, and the now-exhausted onion and herbs. Return the meat to the broth in pieces.
Add the carrots, parsnips, and swede, cut into chunks roughly the size of a golf ball. Bring back to a simmer and cook for twenty minutes. Add the potatoes, cut slightly smaller. Cook another fifteen minutes. Add the leeks — the white and pale green parts only, in thick rings — and cook until they’re just soft, another ten minutes. Taste the broth. Adjust salt. Add the parsley if you have it. Serve in deep bowls with thick bread.
Refrigerate whatever’s left. The fat will solidify on the surface; skim it off if you want a cleaner broth, leave it if you don’t mind the richness. Reheat gently. The broth will have thickened from the potato starch; add a little water if it’s become too dense. Taste again before serving — it will have changed.
If you want to use a slow cooker: put everything in raw, cover with water, cook on low for eight hours. The result will be good. What you sacrifice is the skimming stage, which means a slightly cloudier broth, and you can’t manage the vegetable timing as precisely. Some people add the veg for the last two hours only; this helps. The slow cooker version is honest cawl. It’s not quite the same cawl, but it’s cawl.
Cawl is not precious. It has absorbed whatever was to hand for centuries — beef instead of lamb in areas where sheep were less common, chicken in lighter versions, salt bacon in Pembrokeshire farmhouses, cockles in coastal south Wales. If you have a ham hock and a bag of dried beans, that’s a cawl in spirit if not in name. The principle is the same: long cooking, humble ingredients, broth that’s half the meal. The one non-negotiable is the leek. Remove the leek and you’re making a fine stew. You’re not making cawl.
Cawl recipes vary enormously by region and family — some add pearl barley, some swear by beef over lamb, some use neck only, some mix cuts. What does your version look like? And if you’ve got a family version with a story attached, the comments are the place for it.
Coming next on Folktech: Imbolc — the cross-quarter day between the winter solstice and the spring equinox, the one you probably know as Candlemas, and why your body probably already knows it’s happening.