Cut flat breads in half horizontally and place them on a baking tray lined with baking paper with the cut surfaces facing upwards. Spread with crème fraîche.
Clean, wash and drain the radicchio. Pluck the radicchio leaves into pieces. Wash the pears, grate them dry, cut them into thin slices and sprinkle them with lemon juice. Coarsely chop the walnut kernels.
Cover flatbreads with salad and pear wedges. Cut the gorgonzola into cubes and spread on top. Sprinkle with walnut kernels and sprinkle with honey.
Bake in the preheated oven (electric cooker: 225 °C/ convection oven: 200 °C/ gas: see manufacturer) for about 20 minutes.