Preheat oven (electric cooker: 230 °C/circulating air: 210 °C/gas: see manufacturer). Cut dates into slices. Wash and halve tomatoes. Peel onion and cut into strips.
Roll out the dough on a baking tray and spread a thin layer of crème fraiche on it. Season with salt and pepper. Spread the prepared ingredients and ham on top. Cut cheese into thin thalers and spread on the tarte flambée. Drizzle with honey. Bake in a hot oven for about 15 minutes.
Sort the arugula, wash and spin dry. Sprinkle on the tarte flambée.