Collagen pet chews made of at least one piece of bovine corium and at least one piece of fish skin, the fish skin having a scaled surface that is oriented away from the piece of bovine corium, the corium and fish skin being rolled into a desired shape, preferably a cylinder, and treated with dry heat to release gelatinous adhesive in the corium and fish skin that couples the corium and fish skin. The layered dehydrated collagen pet chew having improved flavor and textural characteristics.