Preheat oven to 175 ° C.
Boil potatoes until al dente.
Wash peppers, remove seeds and dice finely. Mix well with quark and diced peppers (2 tablespoons aside for garnish) and season with salt and pepper. Season meat with salt and pepper and fry well on both sides about 5 minutes. Then place medaillons into an oiled casserole dish and fry for 6-8 minutes in the oven. Brown potatoes in oil and salt them.
Garnish with diced peppers, any fresh herbs and serve.