The flat iron is a notable exception.
How to cook a flat iron steak in a cast iron skillet. Heat oil in a medium skillet over high. Add olive oil or vegetable oil. Step 1 rub steak evenly with steak seasoning and salt.
Rub with 1 tbsp oil and season with salt and pepper. Carefully flip the steak, placing it in a different section of the skillet. Rub the steak all over with a good lug of olive oil and a good pinch of sea salt and black pepper.
Get a large frying pan and put oil. Preheat your cast iron skillet by placing it over high heat for at least five minutes before you start cooking. Place steaks on a rack over a baking sheet.
Place a cast iron skillet over medium heat. Cook until internal temperature reaches 10°f lower than the desired final temperature, as listed in the chart below. This takes between one and two minutes.
Place the steak into the skillet and cook until it’s easily moved. Pick the steak up by the bone to avoid tearing the meat and slowly lower it into the pan. Pat beef dry with paper towels.
Remove and let steaks rest for 5 minutes, covering lightly with foil. It should be smoking hot before you place the. Then add the steak to the cast iron skillet and cook it for about 10 minutes on each.