The Mini Mystery of a Magnificent Mushroom Soup

This is Grace and I on Boxing Day – two mad Englishwomen and one tiny Dachshund having a picnic on an overcast windy day, sheltered by a groyne down on a south coast beach. It was the best fun. We had turkey baguettes and my homemade mushroom soup.

This soup is Grace’s favourite and she thought you might like it too. The reason this post is entitled ‘The Mini Mystery’ is because the recipe was torn out of a book about 30 years ago and so who came up with it is now lost in the mists of time!

Cream of Mushroom Soup

Recipe by ?????, tried and tasted by Marvellous Mother In LawCourse: Soups, starters u0026amp; sides


Prep time


Cooking time



I usually use more nutmeg (always freshly grated). Bay leaf also important… doesn’t taste the same without.


  • Butter for frying

  • Small onion, peeled and finely chopped

  • ½ lb Chestnut mushrooms, cleaned & finely chopped

  • 2 tbspn flour

  • 2 pints chicken stock

  • Pinch of freshly grated nutmeg

  • Bay leaf

  • 75 – 150ml fresh single cream (depending on how much you like cream!)

  • Chopped fresh parsley (optional)

  • Salt and freshly ground pepper


  • Melt a knob of butter in a saucepan. Add the onion and mushrooms, cover and cook gently for 5 minutes.
  • Stir in the flour and continue cooking for a further 2 minutes, stirring constantly.
  • Gradually add the chicken stock and bring to the boil while stirring. Add salt and pepper.
  • Lower the heat, add the nutmeg and bay leaf. Half cover and simmer gently for 20 minutes.
  • Before serving, remove the bay leaf and whizz in a blender. Stir in cream to taste and adjust the seasoning. Top each bowl of soup with a good sprinkling of parsley if liked.

If you like the look of this mushroom soup, remember there are another 800 recipes on this site – all tried and tasted by one of the A&G team over the last eleven years.

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2 years ago

Just as an added extra – chuck a glut of sherry into it! Brings it up to a whole new level.

Elaine Batchelor
Elaine Batchelor
2 years ago

The recipe is from an M&S cookbook circa 1980!

2 years ago

I recognise that recipe …I wonder if it was from a series of Sainsbury’s cookery books !

Guest Writer
2 years ago

Dear Marvellous Mother in Law and Grace
Thank you for including that wonderful mushroom soup in your recipes this week. I have been making it for years and I can tell you that the recipe was torn from the St Michael all colour Cookery book. This and the St Michael all colour Freezer Cookery Book were sold by Marks and Spencer in 1976. I still have both and use them to this day. I look back at the recipes that I used in the seventies and eighties in my student flats with great fondness. I cannot bear to get rid of these recipe books. They are so much a part of my past! Best wishes Fiona Robertson

Guest Writer
2 years ago

Hello girls,

Reading your latest news letter, you were enjoying a mushroom soup after a walk, the recipe was a page torn out of a magazine or book many years ago by your Mother in law, & you did not know where from.I can confirm that recipe is on page 17, from a Marks and Spencer cook book titled The St Michael All Colour Cookery Book by Jenni Wright 1st published 1976.
I recognised the page as I still have that cook book & I too have made that mushroom soup many times over the years as its delicious, as are many of the old M&S cook books. Another one of their recipes which has stood the test of time as I still cook it today is their chicken & peach casserole which my family still ask for even after all these years.
Lovely to receive your chatty emails which have also led me to buy other branded clothing that I did not know about.
Stay well & safe
Sylvia x

Claudia Foster
Claudia Foster
2 years ago

Can this soup be frozen?

Annabel & Grace
2 years ago
Reply to  Claudia Foster

Hi Claudia. In truth I’m not sure but should be fine if you add the cream prior to serving, rather than before freezing. Best wishes, Grace & Marvellous-Mother-In-Law

2 years ago

Agree it was M and S not Sainsbury’s ! I had both so couldn’t remember …