Wagyu steak, prized for its intense marbling and buttery texture, reaches new heights when finished with a drizzle of truffle oil. This recipe lets the beef’s rich flavor shine while the earthy, aromatic truffle oil adds a layer of indulgence. It’s a surprisingly simple dish that feels restaurant-worthy, perfect for a special dinner at home.
Ingredients
- 2 wagyu ribeye or strip steaks, about 8 oz (225 g) each, 1–1.5 inches (2.5–4 cm) thick
- 1 tbsp (15 ml) neutral oil with a high smoke point, like avocado or grapeseed
- 1 tbsp (15 g) unsalted butter
- 2 cloves garlic, smashed
- 2 sprigs fresh thyme (optional)
- Flaky sea salt, to taste
- Freshly ground black pepper, to taste
- 1–2 tsp (5–10 ml) truffle oil, preferably white truffle oil
Instructions
- Take the steaks out of the refrigerator 30–45 minutes before cooking to let them come to room temperature. Pat them completely dry with paper towels.
- Season both sides generously with salt and pepper. The salt will help form a crust.
- Place a heavy skillet (cast iron or stainless steel) over high heat. Add the neutral oil and heat until it shimmers and just begins to smoke.
- Carefully lay the steaks in the pan, away from you to avoid splatter. Cook for 2–3 minutes without moving, until a deep brown crust forms.
- Flip the steaks. Add the butter, garlic, and thyme (if using) to the pan. Tilt the pan and spoon the foaming butter over the steaks continuously for another 2–3 minutes for medium-rare.
- Check the internal temperature with an instant-read thermometer. For medium-rare, remove the steaks at 130°F (54°C). The USDA FSIS safe minimum for whole cuts of beef is 145°F (63°C) with a 3-minute rest, but many prefer wagyu at medium-rare; cook to your desired doneness, keeping in mind that the temperature will rise about 5°F (3°C) during resting.
- Transfer the steaks to a cutting board and let them rest for 5–10 minutes. This allows the juices to redistribute.
- Slice the steak against the grain, if desired, or serve whole. Drizzle with truffle oil just before serving—a little goes a long way. Finish with a pinch of flaky sea salt.
Tips
- Don’t skimp on drying: Moisture is the enemy of a good sear. Pat the steaks dry and let them sit uncovered in the fridge for a few hours if you have time—this dries the surface even more.
- Use a thermometer: Wagyu can go from perfect to overdone quickly. Use an instant-read thermometer to hit your target temperature precisely.
- Truffle oil is a finishing oil: Never cook with truffle oil; heat destroys its delicate aroma. Add it after cooking, off the heat.
- Substitute for truffle oil: If you don’t have truffle oil, you can use a few drops of truffle butter or simply omit it—the wagyu is delicious on its own.
Serving Suggestions
Serve the wagyu steak with simple sides that won’t overpower it: roasted asparagus, a crisp green salad with lemon vinaigrette, or creamy mashed potatoes. A glass of full-bodied red wine, like a Cabernet Sauvignon or a Pinot Noir, pairs beautifully with the richness of the beef and truffle.
Variations
- Garlic-Herb Butter: Instead of truffle oil, top the steak with a pat of compound butter made with minced garlic, chopped parsley, and lemon zest.
- Miso-Glazed: Brush the steaks with a mixture of 1 tbsp white miso, 1 tsp soy sauce, and 1 tsp honey before searing for an umami twist.
- Peppercorn Crust: Press cracked black peppercorns into the steaks before cooking for a spicy crust.
- Balsamic Reduction: Drizzle a balsamic glaze over the finished steak instead of truffle oil for a sweet-tart contrast.
Storage and Reheating
Refrigerate leftover cooked steak within 2 hours of cooking. It will keep for 3–4 days in an airtight container. To reheat, place the steak in a skillet over low heat with a little butter or beef broth, turning frequently until warmed through, or use the oven at 250°F (121°C) until just heated. Avoid the microwave, which will toughen the meat. Leftover steak is also excellent sliced cold over salads or in sandwiches.
Frequently Asked Questions
What is the best cut of wagyu for this recipe? Ribeye and strip (New York) are ideal because they have good marbling and are tender. Filet mignon is leaner and less flavorful, but still works if you prefer a milder taste.
Can I use truffle oil from the supermarket? Yes, but quality varies. Look for truffle oil that lists truffles as an ingredient (not just “natural flavor”). White truffle oil is more delicate and aromatic; black truffle oil is earthier and more robust.
How do I know when the steak is done without a thermometer? You can use the finger test: compare the firmness of the steak to the fleshy part of your palm under your thumb. Rare feels soft and squishy, medium feels springy, and well-done feels firm. However, a thermometer is the most reliable method.
Why is wagyu so expensive? Wagyu cattle are bred for intense marbling, which requires special feeding and care. The result is a richer, more buttery flavor and texture than conventional beef.
Can I cook wagyu from frozen? It’s not recommended. Thaw it in the refrigerator for 24–48 hours before cooking. Cooking from frozen will result in an unevenly cooked steak.
Is truffle oil safe for everyone? Yes, truffle oil is safe for most people. However, some commercial truffle oils contain synthetic compounds that may mimic truffle flavor; if you have a sensitivity, check the label. As with any oil, use it in moderation.
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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes
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