Tom yam, the famous hot and sour soup, originates from the Central Region. There is also a creamy coconut milk soup made with chicken called tom khakai. Yam, the tangy salads, are a Central invention. Haw mok, little banana leaf cups of a soufflé-like mix made from red curry paste, egg and coconut milk, with seafood added, are a popular snack item. Phatphet is a stir-fry with basil and curry paste.