Tahini.

Hot pot sesame paste refers to sesame paste, not peanut butter. Hot pot sesame sauce is a sauce made with sesame as the main raw material. It has a rich sesame aroma and texture. In hot pot, people often mix hot pot sesame paste with other seasonings to increase the flavor of the hot pot. Peanut butter is used in other dishes or seasonings. It is made from ground peanuts as the main raw material and has a strong peanut aroma.