
Few things feel as indulgent as a perfectly seared filet mignon, and this version delivers that steakhouse experience entirely from your own kitchen. The technique is straightforward — a screaming-hot cast iron skillet builds a deep, caramelized crust in just a few minutes before the oven finishes the job gently and evenly. What really elevates this dish is the herb butter: softened ghee whipped together with fresh parsley, thyme, rosemary, garlic, and a hint of lemon zest, then spooned over the resting steak so it melts into every crevice. Ghee is the smart swap here, keeping things dairy-light and grain-free while still delivering that rich, buttery finish you'd expect from a classic preparation. Because every ingredient is whole and unprocessed, there's no need to scan labels for hidden sauces or marinades that might sneak in unwanted additives. The avocado oil handles the high-heat sear without smoking out your kitchen, and the rest is just patience — letting the steak rest those five minutes makes all the difference between good and genuinely great. This is the kind of recipe that makes a Tuesday feel like a celebration.
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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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