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Perfect Sous Vide Flat Iron Steak Recipe

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  • Author: Jamasine J
  • Prep Time: 5 minutes
  • Cook Time: 2 hours
  • Total Time: 2 hours and 5 minutes
  • Yield: 2 servings 1x


Sous Vide Flat Iron Steak is a simple and foolproof recipe for cooking this inexpensive cut, which delivers intense beef flavor with a tender texture. The best results are obtained by cooking it at a precise temperature in the sous vide water bath and finishing with a quick pan sear.


  • 1 pound flat-iron steak
  • 1/2 teaspoon kosher salt or to taste
  • 1/4 teaspoon black pepper or to taste
  • 1/4 teaspoon garlic powder
  • 1 tablespoon olive oil


  1. Fill the sous vide container or a large pot halfway with water, and set the Sous Vide Precision Cooker to (135°F/57°C) for medium-rare doneness. If you want to cook to a different level of doneness, refer to the temperature chart in the post above.
  2. Season your flat iron steak with salt, pepper, and garlic powder to taste.
  3. Fill a zip-lock bag halfway with the seasoned steak.
  4. Seal the bag except for one corner and slowly lower it into the water bath. Make sure the water covers everything below the zip-line, and then push the air out. (If the water is already warm, use kitchen tongs to push the bag into the water.) Then, seal the remainder of the bag.
  5. In the sous vide water bath, place the vacuum-sealed bag. Ascertain that it is completely submerged.
  6. 2 hours in the oven.
  7. Remove the bag from the water bath and place it in an ice bath when the timer goes off (or refrigerator). Allow it to cool for about 10 minutes.
  8. Remove the steak from the bag and pat dry with paper towels. (Make sure to completely dry the surface.)
  9. If necessary, season with additional salt and pepper.
  10. Heat the olive oil in a cast-iron skillet or grill over medium-high heat. When the pan is hot, add the steak and sear for 1 minute per side. (If using a grill, brush the oil on the steak.)
  11. Serve immediately by slicing against the grain.
  • Category: Beef
  • Method: Sous Vide
  • Cuisine: French


  • Serving Size: 2 servings
  • Calories: 462kcal
  • Sugar: 1g
  • Sodium: 749mg
  • Fat: 31g
  • Saturated Fat: 10g
  • Carbohydrates: 1g
  • Protein: 43g
  • Cholesterol: 150mg

Keywords: Sous vide flat iron steak, flat iron steak recipe, sous vide recipe, flat iron steak sous vide

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