Korean cuisine has evolved through centuries of social and political change. Originating from ancient agricultural and nomadic traditions in southern Manchuria and the Korean peninsula, Korean cuisine has evolved through a complex interaction of the natural environment and different cultural trends. Korean cuisine is largely based on rice, vegetables and meats. Traditional Korean meals are noted for the number of side dishes that accompany steam-cooked short-grain rice. Kimchi is served often, sometimes at every meal. Commonly used ingredients include sesame oil, Fermented bean paste, soy sauce, salt, garlic, ginger, chili flakes and gochujang (fermented red chili paste).