Let stand in refrigerator overnight. Remove from marinade and place on roasting rack in preheated 250 degree F. oven with a blanket of beef suet. Roast at this low temp for 50 minutes per pound.
Remove from suet for the last 30 minutes of cooking and baste roast with pan drippings and a bit of the marinade. I have more v enison recipes available for download at: http://legend.dynip.com/weller/WELLER.HTM Jim Weller