팥소 is a sweet red bean paste commonly used in East Asian desserts. It is made from adzuki beans, which are boiled and then mashed or blended with sugar. The texture can vary from smooth to chunky, depending on the desired consistency. This paste is a key ingredient in many traditional treats, such as 떡 (rice cakes), 호떡 (sweet pancakes), and 빙수 (shaved ice). It adds a rich, sweet flavor and is often enjoyed during festivals and celebrations, making it a beloved component of various culinary traditions.