Often it is served with red cabbage. It is also eaten with apple sauce, brown sugar, syrup or red cabbage. A side of spaetzle and red cabbage would accompany sauerbraten or rouladen. A pigment extracted from red cabbage is now used in the United Kingdom. "Martinsgans" is usually served in restaurants, roasted, with red cabbage and dumplings. In Autumn 2012 they released a video for their song "Rotkohl" (Red Cabbage). It is recommended to start red cabbage seeds indoors 4 weeks before the last frost. Kuyavian ' is often made from red cabbage as well as white. On cooking, red cabbage will normally turn blue. Red cabbage is often used raw for salads and coleslaw. It is commonly served with pickled beetroot or pickled red cabbage and bread. A farmer found an enormous garden parsley and a red cabbage in his bed. Red cabbage needs well fertilized soil and sufficient humidity to grow. Rouladen are usually served with either potato dumplings or mashed potatoes and pickled red cabbage. One day he found a huge red cabbage between his vegetables.