Chahan (dish) ground beef and chicken broth, among others. Pre-cooked rice is typically used, and leftover rice is sometimes used. Oils such as canola oil, sesame oil and sunflower oil are used to fry the dish. The dish can be seasoned with soy sauce, oyster sauce, sesame oil, salt, pepper and katsuobushi, a dried and flaked tuna product. Shiso, an Asian culinary herb, may also be used to flavor "chahan". Nori, a dried edible seaweed product, can be used as a garnish. The use of a hot wok for frying and cooking "chahan" quickly can prevent the rice from sticking to the
Green sauce eggs or roast beef brisket. It may also be served with cooked fish or roast beef, or as a side dish to barbecue. A local schnitzel specialty, called Frankfurter Schnitzel, is always served with green sauce, along with apple cider (Apfelwein) as a traditional accompanying drink. Green sauce was supposedly Goethe's favourite condiment; a legend that his mother invented it is likely apocryphal. The local importance of the dish is shown by the abundance of green sauce at local markets and by the Green Sauce Monument installed in Frankfurt-Oberrad in 2007. The latter consists of seven small greenhouses with the