Leek, fennel & potato soup with cashel blue cheese in a pan

Leek, fennel & potato soup with cashel blue cheese

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(4 ratings)

Prep: 10 mins Cook: 45 mins


Serves 6

Combine classic leek & potato soup with blue cheese and aromatic fennel to make this decadent soup. We've used cashel blue but you could try other blue cheeses 

Nutrition and extra info

  • Freezable

Nutrition: Per serving

  • kcal305
  • fat23g
  • saturates14g
  • carbs11g
  • sugars4g
  • fibre6g
  • protein11g
  • salt0.9g
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  • 2 heads fennel
  • 3 large leeks, trimmed, washed and finely sliced



    Like garlic and onion, leeks are a member of the allium family, but have their own distinct…

  • 60g butter



    Butter is a dairy product made from separating whole milk or cream into fat and…

  • 1 large potato, peeled and diced



    The world's favourite root vegetable, the potato comes in innumerable varieties. A member of…

  • 900ml chicken stock or water
  • 1 garlic clove, sliced
  • 100ml double cream
  • 50g walnuts, toasted



    Walnuts are one of the most popular and versatile of all nuts. When picked young, they're…

  • 75g Cashel Blue cheese, crumbled


  1. Quarter the fennel and discard the tough outer leaves and the hard core from each piece. Slice the rest of the flesh, including any little fronds. 

  2. Heat the butter in a saucepan and add the fennel, leeks and potato. Cook over a medium heat for about 5 mins, turning the vegetables over in the butter. The vegetables shouldn’t colour. Add a splash of water, cover the pan and cook the vegetables for 20 mins, stirring every so often. Add the stock or water and garlic, season, bring to the boil, then turn the heat down low and cover the pan with a lid or foil.

  3. Cook for about 10-15 mins, until everything is completely tender. Stir in the cream and leave to cool. Purée in a blender until completely smooth. Check the seasoning and return the mixture to the saucepan – you can reheat it quickly just before serving. Ladle into bowls and scatter each one with the walnuts and cheese.

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