Ipomoea aquatica, widely known as water spinach, is a semi-aquatic, tropical plant grown as a vegetable for its tender shoots. I. aquatica is generally believed to have been first domesticated in Southeast Asia. It is widely cultivated in Southeast Asia, East Asia, and South Asia. It grows abundantly near waterways and requires little to no care.

Green papaya salad is a spicy salad made from shredded unripe papaya. It is generally believed to have been created by the Lao people and is considered one of the national dishes of Laos. Green papaya salad is also popular in neighbouring Thailand's Isan region, whose population is mainly composed of ethnic Lao and from where it spread to the rest of Thailand. Green papaya salad has also spread to the rest of the continental Southeast Asia, as well as Xishuangbanna (China).