Coat the meat with herbed butter.
1 Prime rib, 3 Tablespoon Butter, 1 Teaspoon Rosemary, 1 Teaspoon salt, 1 Teaspoon Black Pepper, 1 Teaspoon Garlic Powder
Pre sear the meat in a cast iron skillet.
Heat the sous vide water bath to desired temperature.
Vacuum and seal the beef in a sous vide bag or use the water displacement method to force the air out of the bag.
Secure the bag to the side of the container with a clip if the bag is not heat sealed.
Cook for 6 - 18 hours, depending on the desired tenderness.
After the cook, remove from the water bath.
Open the bag and pour the juices from the bag into a clean container. Save to make a sauce.
Reheat the cast iron skillet to smoking.
Pat the meat dry with paper towels.
Sear on all sides for 1-2 minutes to give the meat a crust.
Serve sliced.