Every family reckons theirs is the definitive recipe, and genuinely none of them are willing to budge.
Fun fact: The word comes from Persian "birian," meaning fried before cooking, reflecting its original preparation method.
Manages to be proper hot and properly sour at the same time, which shouldn't work but absolutely does.
Fun fact: Half its ingredients — lemongrass, galangal, lime leaves — are aromatics you leave in the bowl uneaten.