Tapai (ta-pie) or tape (ta-peh), sometimes referred to as peuyeum (from Sundanese language), is a traditional fermented food found throughout much of East- and Southeast Asia. It is an alcoholic paste and has a sweet or sour tasteand can be used directly as a food or in traditional recipes. Tapai can be made from a variety of carbohydrate sources, but typically from cassava, white rice, or glutinous rice.