Vegetables commonly used in bibimbap include julienned cucumber, zucchini (courgette), mu (daikon), mushrooms, doraji (bellflower root), and gim, as well as spinach, soybean sprouts, and gosari (bracken fern stems). Dubu (tofu), either plain or sautéed, or a leaf of lettuce may be added, or chicken or seafood may be substituted for beef.[2] For visual appeal, the vegetables are often placed so adjacent colors complement each other. South Korea's seasoning is important. Sesame oil, red pepper paste, sesame seed and so on.This brings the savory and spicy flavor. These are necessary to bibimbap.