Chef Elsa
Almjause (Alpine Hut Snack Board)
A wooden board loaded with mountain cheese, juniper-smoked Speck, air-dried Hauswürstel, handmade Liptauer, fresh Kren, and thick-cut Bauernbrot, the way Austrian Almhütten have fed hikers for generations.
Culinary Explorer
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Erdäpfelkas
Created by
A silky potato and sour cream spread with raw onion and paprika, piled onto dark rye bread the way they serve it at every Heuriger in Lower Austria. No cheese, despite the name. Just good potatoes and honest cooking.
Appetizers & Snacks
Austrian
Budget Friendly
Comfort Food
25 min
Active Time
25 min cook•50 min total
Yield6 servings
Gretel always said that the best Austrian food comes from kitchens where there wasn't much money. Erdäpfelkas is proof. It's a spread made from potatoes, sour cream, and raw onion, and it has no business being as good as it is. You mash the potatoes while they're still hot, stir in the sour cream and a little vinegar, fold in sharp diced onion and a dusting of paprika, then pile the whole thing onto bread so dark it's nearly black. That's it. Six ingredients doing the work of sixty.
I first tasted it properly at a Heuriger outside Vienna, one of those old wine taverns where the food comes on wooden boards and nobody's trying to impress you. They brought out an earthenware crock of Erdäpfelkas with a basket of Schwarzbrot and a quarter-liter of Grüner Veltliner, and I remember thinking: this is the kind of food that makes you understand a place. Not the palace kitchens. Not the Konditorei. The farmhouse table where a cook fed a family on potatoes and whatever the cow gave that morning.
The name trips people up. Kas (or Kaas, depending on who's writing it down) sounds like it should mean cheese. It doesn't, not here. In the rural dialects of Upper and Lower Austria, Kas just means something spreadable, something worked and mixed. No cheese in sight. Just potato, cream, onion, and the knowledge that simple food done well doesn't need anything else to justify itself.
Erdäpfelkas belongs to the tradition of Aufstriche, the cold spreads served at Heurigen and Buschenschänke across Lower Austria, Upper Austria, and the Waldviertel. These wine taverns were licensed by Joseph II's 1784 decree allowing vintners to sell their own wine and simple food directly to the public, and the spread platters served on wooden Brettl boards became their signature offering. Erdäpfelkas, Liptauer, and Verhackertes (a crackling spread) remain the essential trio. The dish reflects a time when potatoes were the foundation of rural Austrian cooking and nothing was wasted or overcomplicated.
The technique, the tradition, and the story behind every dish.
Discover Culinary ExplorerIngredients
waxy potatoes (Kipfler or similar)
Quantity
600g
saure Sahne (sour cream)
Quantity
150g
full fat
whole milk
Quantity
80ml
warm
white onion
Quantity
1 medium
finely diced
sunflower oil or neutral vegetable oil
Quantity
2 tablespoons
white wine vinegar
Quantity
1 tablespoon
sweet Hungarian paprika
Quantity
1 teaspoon
salt
Quantity
to taste
black pepper
Quantity
freshly ground, to taste
fresh chives
Quantity
2 tablespoons
finely cut
dark rye bread (Schwarzbrot)
Quantity
for serving
| Ingredient | Quantity |
|---|---|
| waxy potatoes (Kipfler or similar) | 600g |
| saure Sahne (sour cream)full fat | 150g |
| whole milkwarm | 80ml |
| white onionfinely diced | 1 medium |
| sunflower oil or neutral vegetable oil | 2 tablespoons |
| white wine vinegar | 1 tablespoon |
| sweet Hungarian paprika | 1 teaspoon |
| salt | to taste |
| black pepper | freshly ground, to taste |
| fresh chivesfinely cut | 2 tablespoons |
| dark rye bread (Schwarzbrot) | for serving |
Equipment Needed
- •Large pot for boiling potatoes
- •Potato ricer (or a sturdy fork)
- •Earthenware crock or serving bowl
Instructions
- 1
Boil the potatoes
Put the potatoes in a large pot, whole and unpeeled. Cover with cold water and add a generous pinch of salt. Bring to a boil, then drop the heat until you see a lazy simmer. Cook until a knife slides in with no resistance, about twenty to twenty-five minutes depending on size. You want them cooked through but not waterlogged. The skin holds the starch in and keeps the flesh from turning gluey. That's why you never peel them first.
Choose a waxy variety like Kipfler, Charlotte, or any yellow-fleshed salad potato. Floury potatoes fall apart and absorb too much liquid, leaving you with something that tastes more like porridge than a spread. - 2
Peel while hot
Drain the potatoes and peel them while they're still hot. Use a small knife and a clean kitchen towel to hold them. This is the uncomfortable part. The skins slip off easily when the potatoes are scorching, and the hot flesh absorbs the seasonings better than cold potato ever will. If you wait until they cool, the texture changes and the spread won't come together the same way. Work quickly and don't be a hero. Use the towel.
- 3
Mash the potatoes
Press the hot peeled potatoes through a potato ricer into a large bowl. If you don't own a ricer, mash them with a fork. Not a food processor, not a blender, not a hand mixer. Any machine will overwork the starch and turn your potatoes into wallpaper paste. You want texture here: mostly smooth with a few small lumps that remind you this was a potato five minutes ago.
A potato ricer is worth owning for this dish and for Knödel. It gives you the lightest, fluffiest mash without any risk of overworking. They cost very little and last forever. - 4
Build the spread
Add the warm milk, sour cream, oil, and white wine vinegar to the mashed potatoes while they're still warm. Stir everything together with a wooden spoon. The milk goes in warm because cold liquid hitting hot potato causes it to seize up and turn pasty. The vinegar is subtle. You won't taste it as acidity. What it does is lift everything, sharpen the background, and keep the spread from tasting flat. A tablespoon is all you need.
- 5
Season and finish
Fold in the finely diced onion, the paprika, salt, and a few grinds of black pepper. The onion stays raw. That's the point. It gives the spread a clean, sharp bite against all that soft creaminess. Taste it now and adjust the salt. Erdäpfelkas needs more salt than you'd expect. Be brave with it. Stir in the chives last, keeping a pinch back for the top. Transfer the spread to an earthenware crock or a nice bowl, scatter the reserved chives over the surface, and let it rest in the fridge for at least thirty minutes. The flavors need time to get acquainted.
- 6
Serve on dark bread
Pull the Erdäpfelkas out of the fridge fifteen minutes before you want to eat it. Stone cold kills the flavor. You want it cool, not numb. Slice your Schwarzbrot thick. Spread the Erdäpfelkas on generously. This is not a delicate canapé situation. Load it on, pour yourself an Achterl of Grüner Veltliner, and eat it outside if you can. Mahlzeit!
Chef Tips
- •The potato variety matters more here than in almost any other dish I make. A waxy potato holds its structure and gives you a spread with body. A floury potato dissolves into mush and drinks up all your liquid. Ask for Kipfler if your market carries them. Charlotte or any yellow-fleshed salad potato will also work.
- •Don't skip the resting time. Thirty minutes in the fridge lets the raw onion mellow slightly and the paprika bloom into the cream. The spread you taste after resting is noticeably better than what you tasted fresh.
- •Erdäpfelkas keeps beautifully in the fridge for three days, and some people swear it's better on the second day. The flavors deepen. The onion softens. It becomes even more spreadable. Make it ahead if you're having people over.
- •If you can find Hungarian sweet paprika, use it. The Austrian and Hungarian varieties have a depth and sweetness that generic supermarket paprika can't match. It should smell warm and almost fruity when you open the tin.
Advance Preparation
- •The spread must rest for at least thirty minutes before serving, so plan accordingly. It improves with time.
- •Erdäpfelkas can be made up to three days ahead and stored covered in the fridge. Pull it out fifteen minutes before serving to take the chill off.
- •Slice your Schwarzbrot just before serving. Rye bread dries out quickly once cut.
Frequently Asked Questions
Nutrition Information
1 serving (about 170g)
Calories
185 calories
Total Fat
10 g
Saturated Fat
4 g
Trans Fat
0 g
Unsaturated Fat
6 g
Cholesterol
15 mg
Sodium
410 mg
Total Carbohydrates
21 g
Dietary Fiber
2 g
Sugars
3 g
Protein
3 g
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