Great Sous Vide Venison Loin Recipe The problem with cooking venison is that the meat is very lean. If you like rare venison cooked perfectly, then sous vide is the answer. You end up with medallions of venison loin that are red on the inside, and seared on the outside. They are so juicy! Some people will tell you that it is a good idea to add bacon to the venison. With conventional cooking methods, the fat in the bacon can help to keep the venison moist, but this is not necessary..