how long to smoke sausage and what temp
1 Stuff prepared sausage into 3-inch diameter fibrous casings. 2  Smoke at 140 degrees F for 1 hour, then at 180 degrees F until internal temperature reaches 160 degrees F (insert a meat thermometer in the thickest part of the sausage). 3  Remove from smokehouse and spray with hot water for 15 to 30 seconds.