Wash and spin the lamb`s lettuce. Remove the stems and stems as well as the outermost layer of the fennel. Quarter the rest and cut into short strips.
Fillet the oranges, collecting the escaping juice for the dressing. Squeeze out the rest of the filleted orange again vigorously. Halve the walnuts.
Layer the lettuce, fennel and oranges in a bowl, sprinkle the halved walnuts on top.
Mix the collected orange juice with the juice of 1/2 to 1 lemon, depending on the quantity and how you like it, and the linseed oil, salt and pepper, sweeten with honey if necessary.