Wash, peel, and grate potatoes. Soak bread in a little cold water; squeeze out as much water as possible. Mix bread, salt, pepper, onions, and parleys. Add potatoes and eggs; mix well.
Form into balls; roll lightly in flour; drop into salted boiling water (1 teaspoon salt to each quart water). Cover pot tightly; boil 15 minutes. Serve with sauerkraut, beef, or chicken. Serves 4 or more.