
Few meals feel as genuinely special as a perfectly seared filet mignon, and this version delivers that steakhouse experience right from your own cast iron skillet. The sear-to-oven method builds a deep, caramelized crust on the outside while keeping the center buttery and tender — exactly what this cut deserves. What really elevates it is the herb butter made with ghee, fresh parsley, thyme, rosemary, garlic, and a hint of lemon zest, which melts luxuriously over the hot steak the moment it hits the plate. Every ingredient here is clean and straightforward, so there's no need to scan labels or worry about hidden fillers sneaking into your dinner. Avocado oil handles the high-heat sear beautifully, and ghee steps in as the rich, dairy-clarified base for the compound butter — both fitting naturally into a grain-free, whole-foods approach. The resting step is a small but important detail that lets the juices redistribute and the butter melt into every crevice before you cut in. This is the kind of recipe that looks impressive enough for a date night but is honestly simple enough to pull off on a weeknight with confidence.
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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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