Season steaks well with salt. Set aside.

In a bowl, mix together all remaining ingredients.

Add steaks to a large zipper top bag. Pour in half the marinade and shake to coat steaks. Seal the bag and refrigerate for at least 2 hours, up to overnight. Reserve the other half of the marinade in the fridge.

Begin heating sous vide water bath to 129 degrees F (for medium rare steak).

Remove steaks from bag with marinade and transfer to vacuum seal bag of choice. Discard marinade. Remove the air and drop into water bath. Cook for at least 2 hours, up to 3.

Remove steaks from water bath and bag. Pat them thoroughly dry with paper towels.

Heat ghee in a cast iron skillet over high heat. Once very, very hot add steaks and sear. You should not sear for more than 30 seconds on each side.

Remove to a cutting board and slice into half inch slices. Arrange on a platter and pour remaining marinade over the steak. Serve.