Thailand Guide

Tom Saep ต้มแซ่บ

Tom saep is a clear, fiery Isan soup, often poured over soft bone. Somtum Der on Sala Daeng Road is the room for a sit-down bowl, daily from 11:00 to 23:00, last order 22:15.

BangkokStreet som tum nearby is 40 to 80 THBtom saep kra duuk on Thai food hub
Tom Saep

Photo: Takeaway (CC BY-SA 3.0)

Thaiต้มแซ่บกระดูกอ่อน · tom saep kra duuk on
PriceStreet som tum nearby is 40 to 80 THB
RoomSomtum Der, Sala Daeng
Clock11:00 to 23:00, last order 22:15

What it tastes like

  • Lime, lemongrass, and chili on pork cartilage. Clear, not coconut. Hot.

How to order it

  • Thai name: tom saep kra duuk on (ต้มแซ่บกระดูกอ่อน).
  • Say: Khor tom saep kra duuk on, pet nit noi, khrap/kha.
  • Say pet nit noi. Pair it with sticky rice and a papaya salad.

Typical price

  • 2026 cash: Street som tum nearby is 40 to 80 THB.

Where to try it

  • Somtum Der, 5/5 Sala Daeng Rd, Silom, Bang Rak, Bangkok 10500. 11:00 to 23:00 daily, last order 22:15. Sit-down; street som tum 40 to 80 THB. Skip this, go here: skip a coconut tom kha if you wanted Isan sour; tom saep is the clear bowl.

Spice level and diet

  • Heat: Hot. Say pet nit noi.
  • Diet: Pork. The soup is not vegetarian.

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Common questions

Tom yum?
No. Tom saep is Isan, clearer and often hotter, with pork.
How late?
Last order 22:15. The room opens at 11:00.