Add all ingredients into a medium mixing bowl and whisk until well incorporated.

Pour 1/2 of marinade in sous vide bag with steaks, reserving 1/2 of marinade to make a sauce.

Pour reserved 1/2 of marinade into a small saucepan. Bring to a boil and simmer for 5 minutes, until thickened and reaches a sauce-like consistency. Cool to room temperature.

Season steaks with salt, pepper, and smoked paprika.

Place steaks in sous vide bag and pour marinade over steaks. Vacuum-seal and marinate overnight in the refrigerator (or at least 3 to 4 hours).

Bring steaks up to room temperature and sous vide in water bath at 5 degrees below target doneness temperature for 2 hours.

Remove bag from water bath. Remove steaks from bag and pat dry with paper towel.

Bring a cast iron pan up to high heat and add olive oil.

Place steaks in pan and add butter.

Sear on the first side for 30 to 40 seconds, then flip steak and butter baste for another 30 seconds.

Remove steaks from cast iron pan and allow to rest 7 to 8 minutes. Slice and enjoy.