Cotswold health products asafoetida 50gasafoetida ferula asafoetida is grown harvested and ground by experts it comes from the resin of the tree asafoetida has a very distinct odour which is powerful and really rather unpleasant when uncooked but when cooked gives a delicious rounded flavour the flavour is comparable to leeks onion and garlic it is often used as a component of pickling spices sauces or in curries it can be compared to leeks onion and garlic that bears a one of a ki