The town is known for its durians, which are popularly believed to be the best in Sarawak. This has prompted the Serian District Council to erect a giant monument to this "king of fruits" right in the middle of the market square. 

This is a traditional Bidayuh and Iban dish where chicken or fish is marinated with local herbs, ginger, and lemongrass, then cooked inside a bamboo stalk over an open fire. The bamboo infuses the meat with a unique, smoky aroma, making it a signature dish of Sarawak. 

Kasam refers to fermented foods, such as Kasam Ikan (fermented fish) or Kasam Babi (fermented pork). The ingredients are preserved with salt and rice, then left to ferment for days or weeks, creating a distinct flavor often enjoyed with rice.