The first time I saw Steirisches Kürbiskernöl, I thought someone had spilled something on my plate. I was maybe ten, sitting at a Buschenschank outside Graz on one of our summer trips, and Gretel ordered a Wurstsalat. When it arrived, the sausage strips were sitting in a pool of something so dark green it looked nearly black. Gretel caught me staring. 'Taste it,' she said. So I did. Nutty, rich, faintly sweet, with a finish that stayed on the back of my tongue for minutes. That was the afternoon I understood that Styria has its own kitchen, and this oil is the heart of it.

Wurstsalat mit Kernöl is not complicated food. You take good Extrawurst, a smooth, lightly smoked sausage that every Austrian child grows up eating on bread, and you cut it into thin strips. Toss it with onion rings, dress the whole thing with cider vinegar thinned with a splash of water, season it, and let it sit for half an hour so the onions soften and the vinegar soaks into the meat. Then, only then, you pour the Kernöl over everything. Dark and glossy, pooling between the strips, turning a plate of cold sausage into something that could only come from one region on earth.

This is the salad you'll find at every Buschenschank and Heuriger across Styria, set out on a wooden board alongside bread and a glass of Schilcher. It asks almost nothing of you in the kitchen. What it asks instead is that you find the right oil and the right sausage, and that you leave them alone to do their work. Good Austrian home cooking has always been about that: a few honest ingredients, treated simply, tasting exactly like where they come from.