This Laotian version of arroz con pollo is a rich, flavorful, and gorgeous one-pot dish, unusual and quite easy. for information on Thai fish sauce (nam pla).
Put the rice in a strainer and rinse it well, then soak in cold water to cover.
Meanwhile, put the garlic, pepper, salt, turmeric, and nam pla into a food processor or blender. Process until the garlic is pasty and the ingredients are well incorporated, stopping the machine and scraping the sides if necessary.