Eggs are best boiled in advance. If you do it right, the eggs boil and cool under cold water.
In the meantime, they cool the mushrooms cut into plates and fry in refined vegetable oil, adding a pinch of salt.
To prepare the sauce, peel the eggs, separate the yolks from the proteins and grind the yolks with mayonnaise.
Then add milk and mustard. Stir well.
For salad egg whites chopped cut into.
Take ham to taste and desire, I have here ham sausage. Dice it.
Cool the fried mushrooms.
Wash the grapes, cut in half and remove the seeds, if any.
Mix everything with the sauce and let it brew.
Before serving, add ground black pepper and chopped herbs.