
Few meals feel as genuinely special as a perfectly seared filet mignon, and this version delivers that steakhouse experience entirely from your own kitchen. The technique here is classic and reliable — a screaming-hot cast iron sear followed by a quick oven finish — which means you get a deep, caramelized crust on the outside while the center stays tender and rosy. The real star, though, 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. Ghee steps in beautifully where conventional butter would typically appear, keeping everything rich and indulgent without any dairy solids. Every ingredient here is clean and straightforward — avocado oil, fresh herbs, quality beef — so there's nothing hidden to second-guess, which makes this an effortless fit for anyone navigating grain-free eating. The five-minute rest before serving is a small but crucial step that lets the juices redistribute and the butter melt into every crevice. 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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