
Few meals feel as genuinely special as a perfectly seared filet mignon, and this version delivers that steakhouse experience right in your own kitchen. The method is straightforward but precise — a screaming-hot cast iron skillet builds a deep, caramelized crust before the oven finishes the job gently, keeping the center tender and rosy. Resting the steaks after cooking is the quiet secret that makes every bite as juicy as it should be. The herb butter is where this dish really shines. Softened ghee gets folded with fresh parsley, thyme, rosemary, and garlic, then spooned over the hot steak so it melts into every crevice as you bring it to the table. Ghee is a natural fit here — it's rich, deeply savory, and keeps everything grain-free and dairy-protein-free without sacrificing any of that luxurious quality you want from a compound butter. The lemon zest listed in the recipe is marked optional, so if you're keeping things strictly citrus-free, simply leave it out and the herb butter is still beautifully aromatic and full-flavored on its own. This is the kind of recipe that looks and tastes like a serious effort but comes together with just a handful of clean, whole ingredients.
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lemon zest
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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