Clean, wash and slice the fennel very thinly. Peel papaya, remove seeds. Cut the flesh into slices. Wash and clean spring onions and cut them diagonally into thin rings. Lay each salmon slice on top of the other and roll up from the narrow side.
Mix fennel, spring onions and papaya carefully. Wash the dill, dab dry and chop finely. Mix vinegar and dill, fold in oil. Season vinaigrette with salt, pepper and a little sugar. Serve salad with salmon roses and dill vinaigrette