Instructions: 

1. Pat pork loin dry with paper towels
2. Sprinkle generously with salt and pepper
3. Place in bag, and add rosemary sprigs
4. If using a zip-top bag, lower bag into a water bath, letting the water pressure push air out the open top. Once you reach the top of your bag and all air is out, seal bag, and proceed with recipe
5. If using a vacuum sealer, follow vacuum sealer instructions
6. Clip both bag, and precision cooker to side of water bath container on opposite sides, being sure that pork is low enough to be completely submerged in water
7. Fill pot with water to cover pork, and reach the minimum water level on precision cooker without exceeding maximum. 
8. Set temperature on your precision cooker to 140º
9. Set timer to 4 hours
10. When pork is done cooking, remove from water bath and sear, if desire. Otherwise, it’s ready to serve! 
11. Enjoy!