Boil the eggs hard for about 10 minutes, quench and cut into slices. Clean and wash iceberg lettuce and pluck into bite-sized pieces. Wash and clean the tomatoes and cut them into pieces. Wash cucumber and cut into thin slices. Peel and finely dice onions. Mix vinegar with gyros spice, stir in diced onions and gradually add 4 tablespoons of oil.
Wash, clean and slice the mushrooms. Heat the remaining oil in a coated pan and fry the mushrooms while turning. Wash the chives and cut into small rolls. Season with salt, pepper and chive rolls. Arrange cucumber slices, tomatoes and iceberg lettuce with egg and mushroom slices on plates