Thailand's most eaten dish: green papaya bruised in a clay mortar with palm sugar, fish sauce, lime and chilli. The pounding is bruising, not grinding.
About Som Tum (Green Papaya Salad)
Thailand's most eaten dish and the defining food of Isaan cuisine — julienned unripe papaya bruised in a clay mortar with palm sugar, fish sauce, lime juice, chilli, dried shrimp and cherry tomatoes; the pounding is not grinding but bruising, to open the papaya's fibres; som tum Thai uses peanuts; som tum pla ra (with fermented fish sauce) is the original and most pungent version.
Julienned unripe papaya bruised in a clay mortar with palm sugar, fish sauce, lime juice, chilli, dried shrimp and cherry tomatoes. The pounding is bruising, not grinding — the papaya fibres open without disintegrating. Som tum pla ra (with fermented fish sauce) is the original Isaan version, more pungent than the tourist-accessible som tum Thai.
“Julienned unripe papaya bruised in a clay mortar with palm sugar, fish sauce, lime juice, chilli, dried shrimp and cherry tomatoes.”
The clay mortar is not decorative — it's the correct size and weight for bruising without grinding. Metal mortars are used for paste-grinding, not for som tum.
What to Expect
At a Bangkok som tum stall the cook asks your heat preference and adds the chillies accordingly. The pounding rhythm is audible across the street. The salad arrives immediately after, the papaya still slightly resistant under the fork.
Why Try It
Som tum is Isaan cooking's most internationally accessible dish — and the fermented fish sauce version, pla ra, is worth trying once you're comfortable with the standard version.
Insider Tips
- Specify your chilli preference (phet nit noi = slightly spicy) when ordering.
- The som tum pla ra is the authentic Isaan version — more pungent but more complex.
- Eat immediately — the texture changes as the lime continues to break down the papaya.



