Wash the mushrooms well and cut into slices. I like not too small, so I cut the large one in half, leave the small one intact.
In a saucepan, mix wine, water, lemon juice and vegetable oil. Add salt and sugar to taste (for my taste it turned out to be 1 tsp of both). Then put the bay leaf, pepper, bring to a boil and simmer for 3-4 minutes.
Put the prepared mushrooms in the boiling marinade and cook for 10 minutes. Let cool in the broth and toss in a colander.
Put the cooked mushrooms in a salad bowl and sprinkle with green onions and parsley.