Step 1

Salt steak on both sides. Refrigerate overnight or up to two days.

Step 2

Seal steak for sous vide and place in cooker at 135° for 24 hours.

Step 3

Remove steakfrom sous vide. Pat dry.

Step 4

Put butter in a large skillet over medium high heat until it just begins to brown. Sear steak quickly. Alternately, finish the steak on a very hot grill.

Step 5

Separate meat from the bone, slice, and serve.