Cut the onion, bell pepper and garlic into small pieces and sauté in butter, pour the paprika powder over it and immediately pour the broth over it, fry until soft and then puree.
Fry the cleaned mushrooms in butter, add to the paprika sauce and briefly bring to the boil. Add white wine and cream, simmer briefly, season with lemon juice, salt, pepper and nutmeg and refine with chopped parsley before serving.
Put the white bread in a bowl with butter, eggs, milk and chopped parsley, season with salt, pepper and nutmeg. Mix everything together and let it flow until the mixture binds nicely. Then place on a greased foil, shape into a roll and wrap in the foil, close the ends tightly, cook in salted water for about 1/4 hour. Serve sliced.