The study was purpose to get the best combination of red bean flour and padang sidimpuan (Salacca sumatrana R.) bark. The research used a Complete Randomized Design (CRD) with 5 treatments and 3 replications. The treatments were red bean flour 70% : bark fruit 30%, red bean flour 60% : bark fruit 40%, red bean flour 50% : bark fruit 50%, red bean flour 40% : bark fruit 60% and red bean flour 30…