Peel and wash the potatoes and cut them in half lengthwise. Clean, wash and cut the beans into pieces. Peel and finely chop the onion. Melt herb butter in a pot. Fry the onion until transparent.
Add the beans and potatoes and sauté. Add stock and bring to the boil. Remove the thyme leaves and add to the beans, cover and cook for 15 minutes. Brush the grill pan with oil and heat it up.
Fry the chops for 3-4 minutes on each side. Season with pepper. Season vegetables with salt and pepper. Arrange the cutlet with the potato and bean vegetables on a plate. Serve garnished with parsley.