Prepare the Steak: Pat the steak dry with paper towels. This helps create a beautiful crust. Let the steak sit at room temperature for about 15–20 minutes before cooking. Season generously on both sides with salt and freshly ground black pepper.
Make the dressing: In a small bowl or jar, whisk together the olive oil, lemon juice, balsamic vinegar, Dijon mustard, honey, salt, and pepper until smooth and well combined. Taste and adjust seasoning if needed.
Cook the steak: Heat a cast iron skillet or heavy pan over high heat until very hot. Place the steak in the pan and cook without moving it for 2–3 minutes, until a deep golden crust forms.
Flip and Finish: Flip the steak and add the butter. As the butter melts and foams, tilt the pan slightly and spoon the melted butter over the steak for 1–2 minutes.
Continue cooking to your preferred doneness:Rare: 2–3 minutes per sideMedium-rare: 3–4 minutes per sideMedium: 4–5 minutes per side*Cooking time may vary depending on the thickness of the steak.
Transfer the steak to a cutting board or plate and let it rest for 5–10 minutes before slicing. This step keeps the steak juicy and tender.
Assemble the Salad: In a large bowl combine the arugula, red onion, and parmesan cheese. Drizzle the dressing over the salad and toss gently until lightly coated.
Slice the steak: Slice the steak against the grain and place on top of the salad.
Serve: Serve immediately.
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Notes
Best Steak for Arugula Salad: Ribeye gives the richest flavor and juiciest texture, while sirloin is leaner and more affordable. Flank steak also works well when sliced thinly against the grain. For best results, use a steak that is at least 1 inch (2.5 cm) thick. Thin steaks tend to overcook before developing a good crust.
Add more veggies: This salad also works great with cherry tomatoes, cucumbers, avocado, roasted peppers and more.
Add Fruit: Try sliced strawberries, peaches, or pomegranate seeds.
Slice Against the Grain:
Let the Steak Rest: Resting keeps all the juices inside the meat instead of leaking onto the cutting board.
Swap the Cheese: Try feta, goat cheese, or blue cheese.
Make It Spicy: Add chili flakes or sliced jalapeños.
Avoid very thin steaks for this recipe. Thicker steaks develop a better crust while staying juicy inside.
Steak Doneness: For the best texture and juiciness, medium or medium-rare is highly recommended for this salad. Use an instant-read thermometer for accuracy:
Rare: 125°F (52°C)
Medium-rare: 130–135°F (54–57°C)
Medium: 140–145°F (60–63°C)
The steak temperature will continue rising slightly while resting.