Khao piak sen (Lao: ເຂົ້າປຽກເສັ້ນ; lit. 'wet rice strands') is a rice noodle soup that is a part of traditional Lao cuisine. It is a common comfort food that's great for a cold day. It is the "chicken noodle soup" of Laotian cuisine and does not require too many ingredients, but makes a perfect dish with its simplicity. It is often made in large batches to eat with a large group of people. It is sometimes prepared using pork belly. Chopsticks are commonly used to consume the soup, and it is commonly eaten as a breakfast dish.