This study aimed to determine the best concentration of shrimp rebon (Mysis relicta) protein hydrolyzate and the characteristics of sago crackers (Metroxylon sp.) fortified with the shrimp protein hydrolyzate. The method used was the experimental and composed as a non-factorial Completely Randomized Design (CRD). The treatment conducted was fortification of shrimp protein hydrolyzate at a diffe…