Sift all ingredients together. Store in an airtight container away from sunlight. To use, sprinkle ribs, brisket, or chicken as if you were putting on heavy salt and pepper.
From Smokestack Lightning: Adventures in the Heart of Barbecue Country by Lolis Eric Elie and Frank Stewart, Ten Speed Press 2005.
Andy Ricker, author of Pok Pok, says each of Thailand's regions has distinct culinary traditions.