Preheat oven (electric cooker: 200 °C/circulating air: 175 °C/gas: see manufacturer). Peel, wash and chop the carrots. Clean, wash and cut the peppers into strips. Wash the tomatoes. Peel and halve onions and cut into rings.
Peel and chop the garlic. Clean the mushrooms, possibly wash and halve them. Finely dice bacon.
Mix vegetables, bacon and 4 tablespoons of oil. Season with sea salt and pepper. Put them on a fat pan. Roast in a hot oven for 40-45 minutes.
Crumble the yeast into approx. 1/8 l lukewarm water. Dissolve with sugar while stirring. Cover and leave to rise in a warm place for about 5 minutes. 250 g flour, about 1/2 teaspoon salt and.
Put 2 tablespoons of oil in a bowl. Add yeast water. Knead to a smooth dough with the dough hooks of the mixer. Cover and let rise for about 45 minutes.
Wash the rosemary, dab dry and roughly chop the needles. Stir the sour cream until smooth. Season with salt and pepper. Line a baking tray with baking paper. Turn up the oven temperature (electric cooker: 225 °C/circulating air: 200 °C/gas: see
Knead the dough. Roll out to the size of the sheet on the floured work surface. Place the dough on the baking tray and spread with sour cream. Spread oven vegetables on top and sprinkle with rosemary. Crumble the goat's cheese coarsely and spread on the tarte flambée.
Bake in a hot oven for 15-20 minutes.