Erbsensuppe mit Würstchen (German Split Pea Soup with Smoked Sausage)
Why this recipe works
- Hearty and satisfying: Split peas break down as they simmer, creating a naturally thick soup without needing cream or flour.
- Savoury depth: Carrot, celeriac and leek form an aromatic base, while bay leaves and smoked sausage add depth to the broth.
- Good for planning ahead: The soup stores and freezes well, and can be loosened with a little stock when reheating.
Get the most out of this recipe
Authenticity notes
- German home-style soup: Erbsensuppe is commonly made as a thick, practical pea soup rather than a light broth, with vegetables cooked directly into the base.
- Smoked sausage finish: Adding smoked sausage near the end keeps it juicy while still giving the soup its recognisable smoky character.
- Mustard and rye bread: Mustard stirred in at the table and rye bread alongside are classic, sharp-edged partners for the rich soup.
Ingredient notes
- Use dried split peas: Split peas are ideal here because they soften and thicken the soup as they cook, giving the finished dish its dense, spoonable texture.
- Clean the leek well: Leeks can hold grit between their layers, so slicing them lengthways before rinsing helps keep the soup clean-tasting.
- Choose a smoky sausage: A well-smoked sausage gives the soup much of its savoury depth, so use one with a clear smoked flavour rather than a very mild version.
Common mistakes
- Letting the base catch: As the peas soften, the soup thickens and can stick to the bottom of the pot; stir more often towards the end of cooking.
- Making it too thick: If the soup becomes heavy or paste-like, loosen it gradually with a little extra stock and bring it back to a gentle simmer.
- Boiling the sausage: Simmer the sausage gently just until heated through; vigorous boiling can make it less juicy.
Make-ahead tips
- Cook once, serve later: This soup is well suited to meal prep because the thick pea base holds up well in the fridge.
- Freeze in portions: Cool the soup quickly, portion it into sealed containers and freeze for convenient future meals.
- Reheat gently: Warm in a saucepan until piping hot, adding a little stock as needed to restore the texture.
Equipment you'll need
Ingredients
Instructions
- Peel and dice the carrot and celeriac into small, even pieces. Trim the leek, slice it lengthways, then rinse well to remove any grit and slice. Slice the smoked sausage into thick rounds.
- Heat the olive oil in a large pot over a medium heat. Add the carrot, celeriac and leek with a pinch of the salt, then cook for 8 to 10 minutes, stirring, until softened but not browned.
- Stir in the split peas, vegetable stock and bay leaves. Bring to the boil, then reduce to a gentle simmer and cook for 60 to 70 minutes, stirring occasionally, until the peas are very tender and the soup is thick.
- Remove the bay leaves, then season with the remaining salt and the black pepper. If you like it smoother, mash a little of the soup against the side of the pot with a wooden spoon to thicken further.
- Add the smoked sausage and simmer gently for 5 to 8 minutes until warmed through. Serve hot with rye bread and a teaspoon of mustard per bowl for stirring in at the table.
Recipe notes
Tips
- Stir the pot every 10 minutes or so towards the end of cooking, as split peas can catch once the soup thickens.
- If the soup becomes too thick, loosen it with a splash of vegetable stock and bring it back to a gentle simmer before serving.
- If serving to anyone who is pregnant, elderly, or immunocompromised, make sure the soup is piping hot and the sausage is heated through.
Substitutions
- Replace olive oil with butter for a richer, more traditional flavour.
- Replace mustard with dijon-mustard for a smoother, sharper finish.
Storage
- Refrigerate up to 3 days
- Cool quickly, then refrigerate in a sealed container. Reheat gently in a saucepan, adding a little vegetable stock to loosen, until piping hot. Freeze in portions for up to 3 months and defrost overnight in the fridge before reheating.
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Recipe overview
- Servings: 4 servings
- Total time: 1h 45min (20min active)
- Difficulty: Medium
- Cuisine: German
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Allergens:
Gluten Mustard Wheat
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