Clean, wash and cut the beans diagonally into pieces. Wash, peel and chop the potatoes. Cover with cold water. Clean, wash and cut tomatoes into pieces. Peel onions and garlic.
Coarsely dice the onions, press the garlic through a garlic press. Wash the turkey breast, dab dry and cut into large cubes. Heat the oil in a casserole or roasting pan and fry the meat in it briefly and thoroughly.
Finally add onions and garlic, braise briefly and season with salt and pepper. Add beans, drained potatoes and tomatoes, pour on chicken soup and bring to the boil. Wash thyme and rosemary, dab dry and chop except for something to garnish.
Add the herbs to the pot, cover and simmer over medium heat for about 20 minutes. Wash the lemon, dab dry and finely grate the peel. Squeeze the lemon. Stir the lemon peel into the finished bean pot, bring to the boil again briefly and season to taste with salt, pepper and about 2 tablespoons of lemon juice.
Sprinkle with remaining herbs and serve garnished with lemon slices as desired.