
Few things feel as indulgent as a perfectly seared filet mignon, and this version delivers that steakhouse experience right from your own cast iron skillet. The technique here is straightforward but precise — a screaming-hot sear locks in a deep, caramelized crust before a quick oven finish brings the center to a buttery medium-rare. What makes this dish especially satisfying is the herb butter, a blend of ghee, fresh parsley, thyme, rosemary, garlic, and a hint of lemon zest that melts luxuriously over the hot steak the moment it hits the plate. For anyone avoiding capsaicin, this recipe is a natural fit — there's no chili, no paprika, no cayenne, and no hidden spice blends to second-guess, just clean, aromatic herbs and quality ingredients. The use of ghee instead of conventional butter also keeps things grain-free and paleo-aligned without sacrificing any of that rich, savory depth. Resting the steaks after the oven is a small step that makes a big difference, letting the juices redistribute so every slice is tender and evenly cooked. This is the kind of meal that feels like a special occasion even on a Tuesday night.
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Preheat the oven to 425°F (220°C). Remove the steaks from the refrigerator 20–30 minutes before cooking and pat them completely dry with paper towels. Season all sides evenly with the kosher salt and black pepper.
In a small bowl, combine the softened ghee, parsley, thyme, rosemary, garlic, flaky sea salt, and lemon zest, if using. Stir until evenly mixed, then set aside at room temperature.
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