Boil the eggs for about 10 minutes. Quench, peel and finely chop
Wash the mushrooms, dab dry and unscrew the stems. Heat the oil in a pan. Fry the mushrooms for about 5 minutes while turning them over until golden brown. Season with salt and pepper and remove
Dice the ham. Capers, chop up to 20 pieces. Stir ham and eggs into the mayonnaise. Season to taste with Worcester sauce and cayenne pepper. Fill the ham mixture into the mushroom heads. Garnish with the remaining capers and parsley leaves