Pan-Seared Steak with Vinegar-Marinated Onions
A juicy pan-seared steak topped with tender onions marinated in red wine vinegar. Quick, hearty and full of flavor, this weeknight classic comes together in just 20 minutes with simple pantry ingredients.
🛒 Ingredients
1 servings
- 7 oz (200 g) beef steak (sirloin or flank)
- 2 medium yellow onions
- 1 beef bouillon cube
- 3½ fl oz (100 ml) red wine vinegar
- 2 tablespoons olive oil
- 1 sprig fresh thyme
- Salt and freshly ground black pepper
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Directions
- 1
Slice the onions into thin rings. Place in a bowl with the vinegar, half the crumbled bouillon cube and a pinch of salt. Let marinate for 10 minutes.
- 2
Rub the steak with the remaining crumbled bouillon, 1 tablespoon of olive oil, salt and pepper. Rest at room temperature for 5 minutes.
- 3
Heat a skillet over high heat with 1 tablespoon of oil. Sear the steak for 1 minute 30 seconds per side for medium-rare, adjusting to your preference.
- 4
Set the steak aside, loosely tented with foil. In the same skillet, add the marinated onions with their juices and the thyme sprig.
- 5
Cook the onions over medium-high heat for 2 to 3 minutes, scraping up the browned bits from the bottom of the pan.
- 6
Slice the steak and top with the softened onions. Serve with steamed potatoes or a crisp green salad.
💡 Chef's Tip
For extra caramelized onions, cook 2 additional minutes until golden. A drizzle of balsamic vinegar at the end adds irresistible depth of flavor.
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