Rujak cingur is one of Indonesian traditional food which easily found in East Java especially in Surabaya. Rujak cingur usually consist of sliced of fruits like cucumber, krai (similar like cucumber but it's special from East Java), bengkoang, young raw mango, pineapple, kedondong, glutinous rice cake, tofu, tempe, bendoyo and cingur. There are also some vegetables like bean sprouts, water spinach, and string bean. All of those ingredients mixed with black sauce made from petis (black fermented shrimp paste), chili, fried ground peanuts, fried onion and salt.

This food is called rujak cingur because the special part of this rujak is sliced of cingur (bufallo's or cow's lips. Cingur is literally means mouth in Javanese) which not available in other kind of rujak. Rujak cingur can be served with pincuk (banana leaf) or plate and it's topped with a sprinkle of fried shallots and kerupuk.