Cut the bell pepper and cabbage into strips, cut the pineapple into pieces. Heat pepper butter and fry strips of peppers and cabbage in it for about 5 minutes, turning. Squeeze in the garlic clove. Season with vinegar, salt, pepper, sugar and the drained peppercorns. Add the pineapple and pour in the broth. Let it steep briefly. Then stir in the Emmentaler and season with curry powder.
Fry the sausage until golden brown and serve with the vegetables.