香草醬, or "vanilla sauce," is a sweet and creamy sauce made primarily from vanilla, sugar, and cream. It is often used as a topping for desserts like ice cream, cakes, and puddings, enhancing their flavor with a rich vanilla taste. The sauce can be served warm or cold, depending on the dish it accompanies. This sauce is popular in various cuisines and can be made from scratch or purchased pre-made. It is versatile and can be flavored further with ingredients like chocolate or fruit, making it a delightful addition to many sweet treats.