Learn how to cook the perfect porterhouse steak with a deep, flavorful sear, juicy interior, and aromatic finish using simple techniques, high heat, and a cast iron pan.
Take your Porterhouse out of the fridge 30–60 minutes before cooking. A room-temp steak sears better and cooks more evenly.
Pat it Dry
Use paper towels to blot the steak dry—this is key to getting that crusty, golden-brown sear. Moisture is the enemy of browning.
Season Generously
Season all sides liberally with kosher salt and freshly ground black pepper. Do it right before cooking to keep the surface dry.
Preheat Oven to 250 degrees
Place steak on a baking sheet lined with metal grate. Bake in the oven for 25-30 minutes until internal temperature is 130-134 degrees F)
Preheat Cast Iron or Heavy Skillet
Get a cast iron pan screaming hot—medium-high to high heat. Let it heat for 5–7 minutes. You want it just below smoking.
Sear the Steak
Add a touch of high smoke point oil (like ghee, canola or avocado oil). Carefully place the steak in the pan and don’t move it. Sear for 1-2 minutes per side to develop that deep crust. Use tongs to sear the edges, too.
Optional Step: Baste with Butter & Herbs
After flipping the steak, add 2 tablespoons of butter, a few sprigs of thyme or rosemary, and a couple smashed garlic cloves to the pan. Tilt the pan and spoon the sizzling butter over the steak for 1–2 minutes.
Rest the Steak
Transfer steak to a cutting board and let it rest 5–10 minutes before slicing. This locks in the juices and keeps the meat tender.
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