How to cook
Clean the mushrooms and cut them into thin slices. Saute them in the butter with the finely chopped parsley. Sprinkle them with salt and black pepper to taste.
Separately, prepare a thick mixture of the egg yolks, flour and carbonated water. Add the mushrooms and beaten to snow egg whites.
Put the mixture into a pan with heated oil. Once the omelette is ready, arrange thin strips of ham on top of it. Sprinkle it with finely chopped parsley.