Red Bean Paste is a sweet filling made from cooked and mashed adzuki beans. It is commonly used in various Asian desserts, such as mochi, mooncakes, and buns. The paste can be found in two main varieties: smooth and chunky, depending on the desired texture for the dish. This versatile ingredient is not only popular in Chinese and Japanese cuisines but also in Korean and Vietnamese dishes. It is often sweetened with sugar and can be enjoyed in both traditional and modern recipes, making it a beloved component in many sweet treats across Asia.