Isan-Lao Herb Stew (Or Lam / อ๋อลาม)

Forget the four pillars. Or lam doesn't play by Central Thai rules.

Ajarn always said Thai food is a system. He was right. But what he also taught me, and what most people miss, is that Thailand doesn't have one system. It has several. Isan operates under its own governing logic, and or lam is the dish that proves it. No coconut cream. No palm sugar sweetness. No sweet-sour balance. No tom yum aromatics. This is a water-based, herb-forward stew driven by padaek (ปลาแดก, fermented fish) and a piece of wood that numbs your tongue.

That wood is sakhan (สะค้าน, Piper ribesioides), a forest vine native to the Mekong corridor. You break it into pieces, drop it into the simmering broth, and it releases a slow, tingling numbness that sits behind every other flavor. It's not Sichuan peppercorn. It's not black pepper. It's its own thing entirely, and without it, you don't have or lam. You have beef stew with dill.

My mother's side is from Isan. She didn't cook or lam often in Bangkok because she couldn't get sakhan at Khlong Toei market. But when she did, when someone brought dried sakhan back from a trip upcountry, the whole kitchen changed. The pot went on, the padaek came out, the dill piled up on the cutting board. She'd simmer it for hours and the apartment smelled like the Mekong.

The kreung tam still exists here, but it's stripped down. Lemongrass, galangal, shallots, garlic, dried chilies. Pounded and added to the broth. No shrimp paste. The umami comes entirely from padaek, which delivers a different funk than nam pla. Deeper. Murkier. More alive. If you substitute fish sauce alone, you lose the soul of the dish. Padaek is the foundation. Do not skip it.

Then there's the dill. Pak chi lao (ผักชีลาว), literally "Lao coriander." In or lam, dill isn't a garnish. It's structural. You add fistfuls of it at the end, off the heat, and it defines the dish. The stew should smell like dill more than anything else when it hits the table. Yanang leaf extract (ใบย่านาง) gives the broth its dark green-brown color and an earthy, mineral quality that ties everything together. The eggplant breaks down and thickens the liquid into something closer to a gravy than a soup. This is a stew. It should coat a spoon.

Sticky rice only. Always. You tear off a piece, press it into the thick broth, scoop up meat and herbs. That's the design. Jasmine rice has no business here.