The purpose of this study was to obtain the best formulation of banana mas and pineapple fruit mixture in making jam. This research was used Completely Randomized Design (CRD) with five treatments and three replications in order to the obtain fifteen experiment units. The treatments were mixture of banana mas and pineapple fruit such as PN1 (80:20), PN2 (65:35), PN3 (50:50), PN4 (35:65), and P…