In a saucepan
Fry onions, and celery until soft.
Add garlic for 5 minutes.
Add mushrooms and mix well with the above ingredients and cover.
Fry mushrooms until liquid is gone.
Add cream and cook until it comes to a boil.
Add parsley and simmer for about 10 minutes.
Disolve flour in water until there are no lumps (a plastic container with a lid lets you shake until
Add flour/water mixture to mushrooms and simmer for 10 minutes to thicken.