Kartoffelsuppe (German Potato Soup)

Germany • Regional Dish • Soup

Kartoffelsuppe (German Potato Soup)

This German potato soup is hearty, rustic, and full of vegetables, with sausage added at the end for smoky comfort.

Servings6
Prep Time20 min
Cook Time35 min
DifficultyEasy
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Instructions

  1. Melt the butter in a large soup pot over medium heat. Add the onion, leek, carrots, celery, and celeriac if using. Cook for 8 to 10 minutes, stirring often, until the vegetables soften but do not brown.
  2. Add the garlic and cook for 1 minute, just until fragrant.
  3. Stir in the potatoes, stock, bay leaf, marjoram, nutmeg, salt, and pepper.
  4. Bring to a boil, then reduce the heat and simmer for 20 to 25 minutes, until the potatoes and vegetables are very tender.
  5. Remove the bay leaf. Scoop out about 250 ml of the cooked vegetables and set them aside if you want a chunkier soup.
  6. Blend the remaining soup with an immersion blender until mostly smooth. Leave it slightly rustic rather than perfectly silky.
  7. Return the reserved vegetables to the pot, if using. Stir in the mustard and cream, if using.
  8. Add the sliced sausages and simmer gently for 5 to 7 minutes, until heated through. Do not boil hard after adding the cream.
  9. Taste and adjust with more salt, pepper, mustard, or a small pinch of nutmeg.
  10. Serve hot with parsley and chives scattered over the top.

Cultural Context

Kartoffelsuppe belongs to the practical side of German cooking: filling, economical, and built for cold weather. It often starts with Suppengrün, the classic mix of leek, carrot, celery or celeriac, and parsley used in many German soups and stews.

Regional versions vary. Some are smooth and creamy, others stay chunky. Some use bacon, some use sausages, and some keep the whole thing meat-free. The common thread is comfort. This is the kind of soup that looks humble, then quietly wins the table. Potatoes do that. Sneaky little overachievers.

Fun Fact

Marjoram is one of the quiet flavor signatures in many German potato soups. It gives the soup a warm, herbal note that works especially well with potatoes, leeks, carrots, and smoky sausage.

Cook’s Tip

North American lemonade is usually flat and juice-based, so it doesn’t behave like German Zitronenlimonade. For the closest match, use sparkling lemon soda, lemon-lime soda, or sparkling lemonade. For a less sweet version, mix sparkling water with fresh lemon juice and a small amount of simple syrup.

Trivia

Suppengrün, Germany’s traditional soup vegetable bundle, usually includes leek, carrot, celeriac or celery, and parsley. It is basically the German starter pack for soup.

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