Mix the orange juice, clove of garlic and fennel seeds together. Let the chicken breast fillets and orange slices stand in the marinade for approx. 60 minutes.
1 fennel bulb in strips and cut the black, pitted olives into strips.
Fry the dabbed meat in 1 tablespoon oil, season, keep warm. Steam the fennel in the frying fat, add the marinade and olives, heat up. Place the meat on the vegetables, melt 1 slice of Maasdammer on each. Garnish with fennel greens.