The objective of the present study was to evaluate use powder made out Roselle Calyx Wastes (RCP) in developing a biscuit formulation with acceptable sensory value. calyxes were infused water 1:10 ratio. residual dried at 50 °C for 16 h, grounded, sieved through mesh, and stored plastic bags until used. formulations enriched RCP 0% (BC), 5% (BRCP5), 10% (BRCP10), 15% (BRCP15). amount added did ...