In a bowl, work the flour, water, oil and salt into a firm dough and then cut in half. Roll out each of the two lumps of dough very thinly and place on a baking sheet. Pre-bake in the oven at 160 degrees for 5 minutes.
Preheat the oven to 220 degrees.
Covering:
Season the sour cream with salt, chives and pepper and spread on the pre-baked tarte flambée. Sprinkle each tarte flambée with olives, onions and capers. Then bake in the oven for 5 minutes. Attention! It can burn very easily. Sprinkle with basil and chives before serving.