Wash the chicken filet and pat dry. Heat the oil in a pan and fry the fillet for about 4 minutes on each side. Peel onion and cut into fine rings. Remove the avocado flesh from the skin and cut into slices.
Clean the salad, wash and pat dry. Season salad cream with curry. Remove chicken filet and cut into slices. Cover roll with salad, onion, avocado and meat. Add salad cream and grind pepper over it.