Som tam pu pla ra

Regarded as the original som tam, this version of green papaya salad contains pla ra (a sauce of fermented fish), and very often also brined rice paddy crabs, and makok (the fruit of the Spondias mombin) besides the usual ingredients for som tam. It does not however contain peanuts. It is also known as som tam Lao or, for short, as just tam Lao after the Lao people of Laos and of the Isan region of Thailand.