Wash and clean the tomato and courgette and pat dry. Cut the tomato into slices. Cut the zucchini lengthwise into thin slices with a wide peeler. Cover bread with zucchini and tomato slices.
Season with pepper and a little salt. Mash sheep's cheese with a fork and stir in sour cream. Place bread in an ovenproof flat dish and spread the icing on top. Wash the herbs, dab dry, remove coarse stalks and put something aside for garnishing.
Finely chop the remaining herbs. Sprinkle bread with herbs and bake under the preheated grill of the oven for 5-6 minutes.