Hornful is called also (also known as shake fen and ho fen) with flat rice noodles with silk texture. They are new to Asia Stores. If you can't find them, use dried flat rice noodles from supermarkets). Cook for two minutes under instructions recommend. then wash under warm water and leave until ready to use. Chili paste will last seal, refrigerate for up to a week. Taste it before serving to the group to see if it needs a lot of soy sauce or sesame oil. Fresh 300g fresh noodles (see How to Know) or 200g dried flat rice noodles.