Looking for a foolproof way to make a perfectly cooked medium-rare sirloin steak? The sous vide cooking method will guarantee juicy, tender results every time. Get the perfect time and temps for your tastes and you'll impress your dinner guests every time. Prepare to take your steak game to the next level!
Preheat a water bath using an immersion circulator to 124 degrees F for rare, 129 degrees F for medium-rare, 135 degrees F for medium, or 145 degrees F for well done.
Remove the bag from the water bath. Remove the steak from the bag and place on a plate or cutting board. Pat the steak completely dry with paper towels or a clean dish towel.
Preheat a cast iron skillet over high heat until the skillet is smoking. Make sure to turn on the vent over your stove. Once smoking, add the ghee. Add the steak and sear for about 30 seconds on each side, until browned. Be careful to not go too long or you'll risk overcooking the steak.