Once you learn how to cook the Perfect Cast Iron Steak at home, your steakhouse dinner days will be over! A simple marinade, a hot pan, and a little butter is all you need to turn a boring slab of beef into a gourmet meal.
In a small bowl, whisk together marinade ingredients. Add steaks to a resealable zip lock bag or large bowl and pour the marinade on top. Marinate in refrigerator for at least 2 hours, or up to 24 hours.
Remove the steaks from the fridge and marinade 1 ½-2 hours before cooking, allowing them to come to room temperature on a cutting board.
Set a large 12-inch cast iron skillet over high medium-heat, allowing it to heat up for 3-4 minutes. Add the butter and oil and heat another 2-3 minutes until shimmering and sizzling.
Carefully set the steaks in the skillet. Cook for 2 minutes and then flip and repeat on the other side. Reduce the heat to medium-low. Continue flipping the steaks every 2 minutes for a total of 8-12 minutes, until it reaches your desired doneness.
Remove the steaks from the skillet and place them on a cutting board. Cover loosely with foil and allow to rest 10 minutes before serving. Top with butter and garnish with fresh rosemary if desired.
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Notes
Rare is a cool 125 degrees FMedium Rare is 130-135 degrees FMedium to Medium Well is between 145-150 degrees