ABSTRACT The purpose of this research was to obtain the best formulation of slice jam from kolang-kaling and red dragon fruit based on the characteristics. This research used experimental method by using a complete randomized design (RAL) with four treatments and four replications. The treatments were KN1 = kolang-kaling puree 90% and red dragon fruit puree 10%, KN2 = kolang-kaling puree 80% a…