
Chef Klaus
Apfelmus
The apple-harvest preserve of the German kitchen, cooked low until the fruit collapses, then kept smooth, tart, and ready for potato pancakes or warm Mehlspeisen.
A cooking platform built around craft, culture, and the stories behind what we eat.

Created by
The northern sour herring roll for the New Year table, built on salt fish, sharp onion, gherkin, and a cold vinegar cure that does the work slowly.
Rollmops belongs to the north and to the larder. It sits on the table cold, silver, sour, and sharp, especially after New Year's Eve when the stomach wants salt and vinegar more than speeches. You find it from Hamburg to the Baltic coast, with rye bread, boiled potatoes, or straight from the jar when nobody is pretending to be elegant.
The argument is small but real. In the north, the herring stays the point: onion, gherkin, a clean vinegar cure, maybe mustard seed and dill. Farther inland, cooks sweeten the liquor more heavily, add carrot, or soften the whole thing until it tastes polite. Im Norden anders, im Süden anders. I keep it northern, because Rollmops should bite back a little.
The technique that decides it is the cold cure. Salt herring must be soaked enough to become edible, then rolled and covered with a cooled vinegar liquor. Warm liquor firms the fish too fast and gives you a chalky outside before the center has taken the sour spice. Cold vinegar moves slowly through the flesh, and that is exactly why it works. Das braucht seine Zeit.
Use properly cured herring, not fresh raw fish from the counter. Vinegar seasons and firms it; it is not magic. Buy the right fish, pack it tight, cover it completely, and leave it alone. Erst verstehen, dann kochen.
Rollmops grew out of the nineteenth-century northern German herring trade, when railways and industrial glass jars made preserved fish easier to move inland from North Sea and Baltic ports. The dish is closely tied to Bismarckhering, the vinegar-cured herring named in the era of Otto von Bismarck, though the rolled form became its own fixture on tavern counters and household cold plates. Its New Year reputation comes from the old practical belief that sour, salty herring steadies the body after a night of drink, a northern cure with no ceremony attached.
Quantity
8
properly cured and suitable for pickling
Quantity
500ml, plus more
for the liquor and soaking
Quantity
250ml
Quantity
1 tablespoon
Quantity
1 teaspoon
plus more only if needed
Quantity
1 teaspoon
Quantity
1 teaspoon
Quantity
6
lightly crushed
Quantity
2
Quantity
1 small
thinly sliced
Quantity
4 small
halved lengthwise
Quantity
1 small
thinly sliced
Quantity
1 tablespoon
Quantity
8
| Ingredient | Quantity |
|---|---|
| salt herring filletsproperly cured and suitable for pickling | 8 |
| cold waterfor the liquor and soaking | 500ml, plus more |
| white wine vinegar | 250ml |
| sugar | 1 tablespoon |
| fine sea saltplus more only if needed | 1 teaspoon |
| yellow mustard seeds | 1 teaspoon |
| black peppercorns | 1 teaspoon |
| juniper berrieslightly crushed | 6 |
| bay leaves | 2 |
| white onionthinly sliced | 1 small |
| sour gherkinshalved lengthwise | 4 small |
| carrot (optional)thinly sliced | 1 small |
| dill sprigs (optional) | 1 tablespoon |
| wooden cocktail sticks or small skewers | 8 |
Lay the salt herring fillets in cold water and refrigerate them for 8 to 12 hours, changing the water once. Taste a small piece after soaking. It should be pleasantly salty, not punishing; if it still bites like a salt lick, give it another hour in fresh cold water because the vinegar will sharpen salt, not hide it.
Put the 500ml water, vinegar, sugar, salt, mustard seeds, peppercorns, juniper, and bay leaves in a small pan and bring it just to a boil, stirring so the sugar and salt dissolve. Boiling wakes the spices and dissolves the seasoning evenly, but the fish must not meet it hot. Take it off the heat and cool it completely.
Drain the herring and pat it dry so the rolls hold instead of sliding apart. Lay each fillet skin side down, set a strip of gherkin and a few onion slices across the wider end, then roll it up firmly and spear it with a wooden stick. Roll from the broad end to the narrow end; the shape tightens as it closes, which keeps the filling where it belongs.
Pack the rolls into a clean glass jar with the remaining onion, the carrot if using, and the dill if using. Fit them snugly but don't crush them. A tight jar keeps the rolls under the liquor, and a crushed roll weeps fish oil into the brine. Weggeworfen wird nichts: the onion from the liquor is good on rye beside the fish.
Pour the fully cold spiced vinegar liquor over the rolls until they are completely covered, then seal the jar and refrigerate for at least 24 hours, better 48. The cold acid firms the fish slowly and carries the spice through it; rush it and you get sour edges with a flat center. Serve cold, with rye bread, boiled potatoes, or a small glass of beer beside it. Schön ist, was schmeckt.
1 serving (about 115g)
Culinary guides, cultural storytelling, and the editorial depth that makes cooking meaningful.
Discover Culinary Explorer
Chef Klaus
The apple-harvest preserve of the German kitchen, cooked low until the fruit collapses, then kept smooth, tart, and ready for potato pancakes or warm Mehlspeisen.

Chef Klaus
The northern marinated herring that belongs to the cold larder: salt fish, vinegar, onion, and time doing the work before bread or potatoes ever reach the table.

Chef Klaus
The ruby pickle of the German winter larder: boiled beetroot sliced into spiced vinegar, sharp enough for herring, mild enough for a Sunday Brotzeit.

Chef Klaus
The Franconian autumn pickle that belongs beside cold roast, rye bread, and sausage: pumpkin cubes kept firm in sharp-sweet vinegar syrup, not boiled into mush.