Pure Hing Powder is often used as a substitute for garlic and onion. Asafoetida powder is made from white and milky resin from a species of giant Fennel. It has a unique smell and acidic flavor that disappear while cooking to leave a smooth and pleasant flavor similar to onion and garlic. The Pure Hing Powder has a pleasant aroma and is essential to Southern Indian vegetarian cooking. It comes from the dried resin of a species of giant fennel.