The invention relates to a profile extrusion process for producing fashioned animal food, especially dog chew bones, the process comprising the following steps:loading an extruder with casein, a plasticizer and with additivespreparing a plasticized casein compound containing 10 to 80% casein by weight, wherein the casein and the plasticizer are subject to a mechanical strain at a temperature below 130° C. in the extrudermolding the casein compound into a profile, wherein the casein compound is pressed through the extruder nozzle onto a transfer device and is consolidated on said transfer devicecuring the profile, wherein the profile is cooled on the transfer deviceportioning the profile into portions of any length, wherein the profile is cut at a corresponding position using a cutting tool.