Clean and wash the string beans. Peel carrots and onion. Wash and slice carrots, cut beans into pieces and onion into slices. Drain the beans
Mix prepared vegetables on a fat pan with salt, pepper and oil. Bring 1/2 l water to the boil, dissolve the stock in it and pour over the vegetables. Braise everything in a hot oven (electric cooker: 175 °C/circulating air: 150 °C/gas: level 2) for about 45 minutes. Turn now and then
Drain the tomatoes and cut them into small pieces. Wash the herbs and chop them except for one thing. Mix with the tomatoes and season well. Add to the vegetables and braise everything else for about 30 minutes
Grate cheese, mix with sour cream. Pour over the vegetables and bake at 225 °C (circulating air: 200 °C/gas: level 4) for 15-20 minutes. Garnish with remaining herbs. Flatbread tastes good with it