PURPOSE: Chocolate containing fermented soybean paste, and a producing method thereof are provided to improve the palatability of the chocolate, and to secure the excellent antioxidant activity of the fermented soybean paste. CONSTITUTION: A producing method of chocolate containing fermented soybean paste comprises the following steps: diluting the fermented soybean paste in distilled water, and crushing; freeze-drying the crushed fermented soybean paste; pulverizing the freeze-dried fermented soybean paste into powder; roasting the fermented soybean powder; inserting the roasted fermented soybean powder into whipped cream, and boiling the mixture; double-boiling the chocolate, and inserting the mixture and cocoa butter to obtain ganache; pouring the ganache on an outer skin formed by hardening the molten chocolate; and pouring the molten chocolate on the hardened ganache, and hardening.본 발명은 된장을 함유하는 된장 초콜릿 및 이의 제조방법에 관한 것으로, 더욱 상세하게는 된장을 함유한 된장 초콜릿은 된장에 포함된 총 페놀 성분이 손실되지 않고, 항산화 활성이 우수하며, 된장의 맛과 향이 부여되면서 기호도가 향상되므로, 건강을 증진시키고 향미가 뛰어난 기능성 초콜릿 및 이의 제조를 위해 유용하게 사용될 수 있다.