Take any mushroom you can find, about 250 grams, wash them and cut them in small pieces.
100 ml vinegar
Some sugar, salt and pepper
Add some spices like juniper berries, coriander seeds, bay leaves, pepper corns and some cloves of garlic.
(if it is to vinegary add some more sugar).
Cool down and put in the fridge for eat least 2 day’s.
Or for long term storage put the mixture in pickle jars
Mix with chopped fresh dill and parsley (or any herb you like)
1 large spoon of mayonnaise
1 or 2 hands of breadcrumbs
Season it with salt and pepper and put in the fridge for about 1 hour.
Shape the crab into patties and pan fry them till golden brown.
Heat them trough in the oven for about 5 minutes.
Mix some salad with the pickled mushrooms and serve.