Cut the fillets into two halves and put them in an ovenproof dish. Put a slice of smoked ham and a slice of cooked ham on each half of the chicken
Mix the cream soup not with water but with cream and fold in the mushrooms and then pour over the meat and bake in the oven at 180 to 200 degrees for one hour, sprinkle with cheese as desired 10 minutes before the end of the roasting time.