These tangy and appetizing sauerkraut buns are a Taiwanese breakfast staple. The thin skin and generous filling, combined with the tangy and refreshing sauerkraut, create a rich and flavorful taste that will awaken your appetite. Storage: Frozen. Ingredients: Flour, water, sugar, palm oil, salt, sauerkraut, sugar, dried tofu, seasonings. Cooking Instructions: Place in an electric rice cooker or steamer (medium heat) and steam for 10-15 minutes (adjust heating time according to your needs).