petai

Petai (Parkia speciosa) is a tree legume native to the rainforests of Southeast Asia, and its Malay name — petai or petè — has been used for as long as the bean has been eaten, which is to say as long as people have lived in these forests. The bright green beans grow in twisted, flat pods that hang from the canopy like enormous earrings. Each bean is the size of a large almond, and the smell is unmistakable.

The sulfur compounds in petai — specifically thiazolidine-4-carboxylic acid and related molecules — give the bean its extraordinary pungency. The smell persists in the body. Breath, sweat, and urine carry the signature for up to two days after consumption. This biochemical fact has made petai a social litmus test across Malaysia, Indonesia, and Thailand: you either eat it and accept the consequences, or you avoid it and judge those who do not.

Despite the smell, petai is a staple ingredient in sambal petai, nasi lemak accompaniments, and stir-fries across the Malay world. Nutritional research has found the beans rich in amino acids, phosphorus, and iron. Traditional Malay medicine has used petai to treat intestinal parasites and kidney complaints for centuries. The tree itself is a nitrogen fixer — it enriches the forest soil it grows in.

Petai has not traveled. You will not find it in Western supermarkets or on fusion restaurant menus. The bean's aggressive smell has kept it local in a way that durian — which at least achieved notoriety — has not. Petai is the food that stayed home, known only by its Malay name, eaten only by those who grew up with it or married into a family that did.