A device for applying liquid flavors to collagen casing is provided. In one embodiment, the device comprises a cup and a roller for applying liquid flavor to the surface of the collagen casing prior to drying. In another embodiment, the device comprises an applicator having a base plate with a first hole in the base plate to allow the collagen casing to pass through the base plate, a second hole in the base plate in fluid communication with the first hole to inject liquid flavor through the second hole into contact with the collagen casing as it passes through the first hole, a wiper removably attached to the base plate to wipe excess liquid flavor from the surface of the collagen casing, and a liquid flavor injection line attached to the second hole in the base plate. In some embodiments, the cup and roller are combined with the applicator to apply the liquid flavor.
