PURPOSE: To obtain the subject cake having high commercial value by filling and hardening a chocolate raw material in a mold, removing a core, melting the end face of the chocolate and filling other chocolate raw material in the cavity to effect firm bonding of the chocolate materials.

CONSTITUTION: A chocolate raw material 12 is filled in a cavity of a nearly rectangular hollow resin mold 1 having a core mold 11 and is hardened by cooling. The core mold 11 is removed and the end face 12A, 13A of the chocolate raw material 12 is melted by blasting hot air from external source. Other chocolate 13 is filled in the cavity adjacent to the end faces 12A, 13A and hardened by cooling to obtain the objective chocolate cake 15. The firm bonding of the chocolate materials can be easily performed without adding a binder, etc., to the chocolate raw materials.