ABSTRACT The purpose of this study was to obtain the best ratio of oyster mushrooms in addition to the quality of mackerel fish nugget by SNI No. 01-7758-2013. The research method used a completely randomized design consisting of four treatments and four replications. The treatments consisted of KJ1 (ratio of mackerel fish and oyster mushrooms 70:30), KJ2 (ratio of mackerel fish and oyste…