Traditional Polish Żurek with a Naturally Fermented Rye Starter, White Sausage, Potatoes, Marjoram and Egg (Never an Instant Rye-Flour Slurry)
Traditional Polish Żurek is a hearty sour rye soup that showcases a blend of unique flavors, perfect for a cozy meal. This recipe uses a naturally fermented rye starter, white sausage, and fresh ingredients like potatoes and marjoram for an authentic taste.

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Illustrated cooking guide
Step-by-step visual method
A polished English infographic for the whole cooking flow, paired with the full written recipe below for detail and SEO.

Written method
Instructions
Read through once, then cook at your own pace with the illustrated guide above.
- 1
In a large pot, combine the naturally fermented rye starter and water, stirring well to dissolve the starter.
- 2
Add the chopped onion and minced garlic to the pot, and bring the mixture to a simmer over medium heat.
- 3
Slice the white sausages and add them to the pot, cooking until they are heated through, about 10 minutes.
- 4
Stir in the diced potatoes and continue to cook until they are tender, about 15 minutes.
- 5
Add the dry marjoram, and season with salt and black pepper to taste. Adjust seasoning if necessary.
- 6
Once the soup reaches the desired flavor, serve hot, garnished with quartered hard-boiled eggs.
Cook notes
Tips
For a more intense flavor, let the soup simmer longer before serving.
Make sure the rye starter is properly fermented for the best sour taste.
Cook smarter
Helpful notes
Practical storage, serving, swap, and troubleshooting notes for a better first try.
Storage Tips
- Store any leftover Żurek in a sealed container in the refrigerator.
- Reheat gently on the stove, adding a little water if it has thickened too much.
Substitutions
- If you can't find white sausage, use smoked sausage for a different flavor.
- For a vegetarian version, replace sausage with smoked tempeh or omit meat entirely.
What to Serve With
- Crusty rye bread
- Sour cream on the side
- Pickled vegetables
Common Mistakes
- Not allowing the rye starter to fully ferment, leading to a less sour flavor.
- Overcooking the potatoes so they become mushy.
Recipe FAQ
What can I use if I can't find naturally fermented rye starter?
You can make your own by mixing rye flour with water and letting it ferment for a few days at room temperature.
Can I use regular sausage instead of white sausage?
Yes, you can substitute with kielbasa or any other firm sausage you prefer.
How long can I store leftover Żurek?
Leftover Żurek can be stored in the refrigerator for up to 3 days.
Kitchen tools
Helpful Tools for This Recipe
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Blender
Helpful for smooth sauces, soups, marinades, and purees.
Saucepan
Useful for simmering sauces, soups, grains, and small-batch stews.
Skillet
Useful for browning, quick sautes, and weeknight one-pan cooking.
Chef knife
A basic prep tool for vegetables, herbs, aromatics, and proteins.
Cutting board
Keeps prep organized for chopping, slicing, and staging ingredients.
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