Bánh canh are thick Vietnamese noodles that can be made from tapioca flour or a mixture of rice and tapioca flour.Bánh canh cua – a rich, thick crab soup, often with the addition of quail eggs. Bánh canh bột lọc – a more translucent and chewy version of the noodle. Bánh canh chả cá – the dish includes fish cake and is popular in South Central Vietnam. Bánh canh giò heo tôm thịt – includes pork knuckles and shrimp. Bánh canh Trảng Bàng – bánh canh made in the southeastern Vietnamese town of Trảng Bàng, served with boiled pork, tapioca noodles, and local herbs. Bánh canh tôm – a shrimp-flavoured broth that is also mixed with coconut milk.