This seared sirloin steak recipe is anything but ordinary. Juicy, perfectly cooked steak is served alongside a bright and tangy tomato salad with red onion in a Dijon vinaigrette. The elegant marble potatoes add a beautiful touch to the plate, making this meal as pretty as it is delicious.
Whether you’re cooking for a special occasion or just want to elevate your weeknight dinner, this dish comes together quickly with simple ingredients. The combination of savory steak, zesty salad and buttery potatoes is sure to impress.
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Recipe details
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Ingredients
Instructions
- Place marble potatoes in a pot and cover with salted water. Bring to a boil and cook until tender, about 15-20 minutes. Drain and set aside.
- While potatoes cook, season sirloin steaks generously with salt and pepper on both sides.
- Heat 1 tablespoon olive oil in a large skillet over medium-high heat. Add steaks and sear for 4-5 minutes per side for medium-rare or until desired doneness. Remove from skillet and let rest.
- In a small bowl, whisk together Dijon mustard, red wine vinegar and remaining 2 tablespoons olive oil to make the vinaigrette. Season with salt and pepper.
- In a separate bowl, combine diced tomatoes and sliced red onion. Pour vinaigrette over and toss to coat.
- Slice rested steak against the grain. Serve steak with tomato salad and marble potatoes.
- Optional: garnish with fresh herbs like parsley or chives.
Recipe Tips
For best results, let steak come to room temperature before cooking.
Marble potatoes are small and cook quickly; check for doneness with a fork.
Let steak rest at least 5 minutes before slicing to keep juices inside.
FAQ
Can I use a different cut of steak?
Yes, you can substitute with ribeye, strip steak or filet mignon. Adjust cooking time accordingly.
Can I make the tomato salad ahead of time?
Yes, you can prepare the salad up to an hour in advance. Keep it refrigerated and dress just before serving to keep tomatoes fresh.
What can I use instead of marble potatoes?
Small new potatoes or fingerling potatoes work well. Cut larger potatoes into bite-sized pieces.






















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