- Preheat the oven to 200°C, gas mark 6.
- Heat the oil in a frying pan and fry the chicken until browned, transfer to a casserole dish. Mix in the frankfurters, beans, leeks, garlic and stock. Cover and bake for 35 minutes.
- Stir in the tomatoes and cook for a further 10 minutes or until the chicken is cooked throughout. Stir in the parsley and serve.