Lemon Basil is a very popular in Southeast asia region, and Persian, Arabic cuisines. It’s called Kemangi in Indonesia. Adding basil to any soup or salad brings a nice fresh green beauty and flavor.
As per Wikipedia:
“Lemon basil is often used to season certain Indonesian dishes, such as curries, soup, stew and steamed or grilled dishes. In Thailand, Lemon basil, called maenglak, is one of several types of basil used in Thai cuisine. The leaves are used in certain Thai curries and it is also indispensable for the noodle dish khanom chin nam ya. It is also used in North East part of India state Manipur. In Manipur, it is used in curry like pumpkin, used in singju (a form of salad), and in red or green chilli pickles type.”