Sriracha is a type of hot sauce available in Asian food markets. It is made from a paste of chili peppers, distilled vinegar, garlic, sugar, and salt. It is named after the coastal city of Si Racha, in the in the Chonburi Province of Eastern Thailand, where it was possibly first produced for dishes served at local seafood restaurants. From wikipedia.org
To shape the ramen into a bun, use ramekins that are similar in size to the burger patty. If you don't have ramekins, substitute pint-size deli containers.