Clean and wash the Brussels sprouts. Peel, wash and roughly dice the potatoes. Cover the sprouts, potatoes and caraway seeds and cook in boiling salted water for 15-20 minutes. In the meantime peel and dice the onions.
Wash the apple, quarter it and cut out the core. Cut the apple quarters into thin slices. Leave bacon in a pan until crispy and finally add onions and apples and braise.
Heat the oil in a frying pan and fry the sausages until golden brown, turning them over. Drain the potatoes and Brussels sprouts and fold into the bacon-onion mixture. Season with salt and pepper and keep warm.
Arrange with sausages on plates and serve garnished with parsley.