Austrian Style Potato Salad with Warm Vinegar Dressing

Austrian-style potato salad, often called Erdäpfelsalat, is a tender potato salad dressed while warm with broth, vinegar, onion, mustard, and oil. It is usually served at room temperature or slightly warm, and its bright, savory dressing soaks into the potatoes without mayonnaise. Recipes vary by region and household, but using waxy potatoes and adding the dressing while they are still warm gives this version its characteristic soft, cohesive texture.

Ingredients

3 lb (1.36 kg) small or medium waxy potatoes, such as Yukon Gold or red potatoes
3 qt (2.8 L) water, for boiling
1 tbsp (15 g) fine salt, for the cooking water
1 cup (240 ml) beef broth or vegetable broth, preferably low-sodium
⅓ cup (80 ml) apple cider vinegar or white wine vinegar
1 medium yellow onion, finely diced, about 1 cup (150 g)
1 tbsp (15 g) Austrian-style medium-hot mustard or Dijon mustard
1 tsp (4 g) granulated sugar
3 tbsp (45 ml) neutral oil, such as sunflower or canola oil
¾ tsp (4 g) fine salt, plus more to taste
¼ tsp (0.5 g) freshly ground black pepper
2 tbsp (6 g) finely snipped fresh chives, for serving

Instructions

Set up the potatoes. Scrub the potatoes and leave their skins on; cooking them whole helps them hold their shape and keeps them from absorbing excess water. Put them in a large pot, cover with the measured water by about 1 inch (2.5 cm), and stir in the cooking salt. If the potatoes vary greatly in size, group similarly sized ones together so they finish at roughly the same time.
Boil until just tender. Bring the pot to a boil over high heat, then lower the heat to maintain a steady simmer. Cook for about 20–25 minutes, checking smaller potatoes after 18 minutes. A thin knife should slide into the center with little resistance, but the potatoes should not split or crumble. Drain them as soon as they are tender; leaving them in hot water can make them waterlogged.
Make the warm dressing. While the potatoes cook, combine the broth, vinegar, diced onion, mustard, sugar, ¾ teaspoon salt, and pepper in a small saucepan. Bring the mixture just to a simmer over medium heat and cook for 2–3 minutes, until the onion begins to soften. Take the pan off the heat and whisk in the oil. Taste carefully: the dressing should be distinctly tangy and savory, since the potatoes will mellow it. Add a little more salt or vinegar if needed.
Peel and slice the potatoes. Let the drained potatoes stand for 3–5 minutes, just until they are manageable to handle. Peel them with a small knife or by rubbing away the skins with a clean towel, taking care because the centers remain hot. Slice crosswise into rounds about ¼ inch (6 mm) thick and put them in a wide serving bowl. If a potato breaks, keep the pieces; they help thicken the dressing rather than spoil the salad.
Dress while warm. Pour the warm broth mixture evenly over the sliced potatoes. Use a broad spatula to fold gently from the bottom of the bowl, turning the slices without mashing them. Leave the salad at room temperature for 15 minutes so the potatoes absorb the dressing. Fold it once or twice during this rest. At first it may look a little loose; the potato starch will help the dressing cling as it stands.
Finish and adjust. Taste a slice from the center of the bowl, not just a piece coated on the outside. Add a splash of vinegar for sharper acidity, a pinch of salt if the flavor seems flat, or a spoonful of warm broth if the salad has become too tight. Fold in most of the chives and scatter the rest over the top. Serve slightly warm or at room temperature.

Tips

Choose potatoes that keep their shape. Waxy or all-purpose potatoes are the most reliable. Yukon Golds have a buttery texture; red potatoes are a little firmer. Very floury russets can break down during slicing and folding, so use them only if you prefer a softer, more broken-up salad.
Dress them before they cool. Warm slices take up the vinegar-and-broth dressing more readily than cold ones. If the potatoes finish before the dressing, keep them covered after draining and warm the dressing just before pouring it over. Do not rinse the cooked potatoes, because that washes away surface starch that helps the dressing adhere.
Make the flavor your own by adjusting gradually. Vinegar strength varies, and broth can be salty, so taste before adding extra salt or vinegar. If you cannot find Austrian medium-hot mustard, Dijon is an easy substitute; it is usually sharper and a little less rounded, so begin with the stated amount and add more only after tasting.
Fold rather than stir. A spoon can break warm slices into a mash. Use a flexible spatula, work from the bottom of the bowl, and stop as soon as the dressing is distributed. A few cracked pieces are useful, but repeated stirring can make the whole salad pasty.

Serving Suggestions

Serve this salad as a side for roasted or grilled meats, sausages, schnitzel, or a simple plate of bread and cheese. Its acidity is especially welcome alongside rich or crisp foods. For a meat-free meal, pair it with roasted mushrooms, sautéed green beans, or a platter of vegetables and rye bread. A cucumber salad or lightly dressed leafy greens also make a fresh contrast without competing with the vinegar dressing.

The salad is commonly served warm or at room temperature rather than piping hot. If you prepare it ahead, take it out of the refrigerator about 20–30 minutes before serving so the oil softens and the flavors are easier to taste; do not leave it out for more than 2 hours. Sprinkle on the chives just before serving for a fresh finish. If it seems a little dry after standing, fold in a tablespoon or two of warm broth rather than adding a large pour of oil.

Variations

Use vegetable broth. Vegetable broth makes a satisfying meat-free version and is a practical alternative if beef broth is unavailable. Choose a mild broth so it does not overpower the vinegar and potatoes. Traditional regional and household versions differ in the type of broth, mustard, and oil used, so the recipe is flexible rather than a claim to one definitive formula.

Try a Styrian-inspired finish. In Styria, pumpkin seed oil is a familiar regional ingredient. Replace 1 tablespoon (15 ml) of the neutral oil with toasted pumpkin seed oil, or drizzle a small amount over individual servings. Its dark color and nutty flavor are pronounced, so using it as a finishing oil gives the salad that character without overwhelming the dressing. This is a regional variation, not a required ingredient.

Add cucumber or radish. Fold in ½ cup (about 60 g) thinly sliced radishes for peppery crunch, or add ½ cup (about 65 g) thinly sliced cucumber just before serving. Cucumber releases water as it sits, so keep it separate if making the salad ahead and add it at the table. These additions make the bowl fresher and crunchier but move it away from a simple, classic potato-and-dressing version.

Change the herbs or vinegar. Chives are a mild, useful finish, but a little chopped parsley works well too. Apple cider vinegar gives a soft fruitiness, while white wine vinegar tastes cleaner and more direct. Avoid strongly flavored balsamic vinegar here: its sweetness and dark color can obscure the light, tangy broth dressing.

Storage and Reheating

Refrigerate the salad within 2 hours of cooking or serving, transferring it to a covered airtight container once it is no longer steaming heavily. It keeps for 3–4 days in the refrigerator. The potatoes will continue to absorb the dressing as they chill, so the salad may be firmer and less tangy the next day. Before serving it cold or bringing it back toward room temperature, taste and refresh with a small splash of vinegar or broth if needed.

To reheat leftovers, warm only the portion you plan to serve in a covered saucepan over low heat, folding gently and adding a spoonful of broth if it looks dry. USDA FSIS guidance is to reheat leftovers to 165°F (74°C); check with a food thermometer, and avoid repeated cycles of warming and cooling. The texture is best when gently warmed rather than boiled. Discard salad that has been left at room temperature for more than 2 hours, or more than 1 hour in temperatures above 90°F (32°C).

Frequently Asked Questions

Is Austrian potato salad made with mayonnaise?
No, this style is typically dressed with broth, vinegar, onion, mustard, and oil rather than mayonnaise. That makes it tangy and glossy, with the dressing absorbed into the warm potatoes. Individual home recipes vary, but mayonnaise is not needed for this version.

Can I make it a day ahead?
Yes. Prepare and dress the potatoes, let them stand for the stated 15 minutes, then refrigerate them in a covered container within 2 hours. Before serving, let the salad lose its chill briefly and taste it; add a little vinegar or broth if the potatoes have absorbed most of the dressing. Keep the chives for the final garnish.

Why did my potato salad turn mushy?
The potatoes may have been overcooked, a floury variety may have been used, or the salad may have been stirred too vigorously while hot. Simmer just until a knife meets little resistance, drain promptly, and fold the dressing in with a spatula. A few broken slices are normal and help the dressing cling, but they should not become a paste.

Can I serve it cold?
Yes. It can be served chilled, at room temperature, or slightly warm. The vinegar tastes sharper when the salad is cold, and the potatoes may feel firmer, so let it stand out briefly before serving and adjust the seasoning after tasting. Follow the two-hour room-temperature limit while it is on the table.

What can I use instead of broth?
Use low-sodium vegetable broth for a meat-free version. If you have no broth, use water with a modest pinch of salt, then taste the finished dressing and adjust the seasoning; the result will be lighter and less savory. Avoid using heavily seasoned stock, since it can make the salad too salty or mask the vinegar.

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