Som Tam: The Green Papaya Salad That Runs Isan
Photo: Simply Suwanee Som Tam: The Green Papaya Salad That Runs Isan If one dish runs Isan — Thailand's big, dry northeastern plateau — it is som tam. Shredded green papaya pounded in a clay mortar with chillies, lime, long beans and tomatoes, it is sour first, fiery second, salty and funky underneath, and just sweet enough to keep you going back for another mouthful. In Isan it is not a side salad. It is the centre of the meal, eaten with sticky rice and grilled chicken, at roadside stalls, market tables and family mats on the floor. Lao roots, Isan heart Som tam comes from the Lao food world that spans both banks of the Mekong. In Laos it is tam mak hoong; across the river in Isan, where most people share Lao language and roots, it became som tam — "pounded sour." Green papaya gives the crunch, but the soul is the dressing: chillies and garlic pounded first, then lime juice, palm sugar, fish sauce and, in the true Isan style, pla ra — fermented fish, close cousin t...