Pan-Seared Steak with Caramelized Onions
A timeless French bistro classic that's as simple as it is impressive. Juicy, golden-brown seared steak meets silky caramelized onions for a comforting dinner ready in under 20 minutes. Perfect for weeknights when you want something hearty without the fuss.
🛒 Ingredients
4 servings
- 500 g (1 lb) beef sirloin steaks
- 1 tablespoon Dijon mustard
- 2 tablespoons unsalted butter
- 2 onions, sliced into rings
- 1 tablespoon balsamic vinegar
- Salt and freshly ground black pepper
- 1 sprig fresh thyme
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Directions
- 1
Season the steaks generously with salt and pepper, then brush with a thin layer of Dijon mustard. Let rest 5 minutes at room temperature.
- 2
Melt the butter in a large skillet over high heat until it begins to foam.
- 3
Place the steaks side by side and sear for 2–3 minutes on each side until a golden-brown crust forms.
- 4
Cook to your preferred doneness — rare, medium, or well done. Set aside loosely tented with foil to keep warm.
- 5
In the same pan, add the sliced onions and thyme. Sauté over medium heat, stirring occasionally, until soft and translucent.
- 6
Deglaze with the balsamic vinegar and cook 2 more minutes until the onions are lightly caramelized.
- 7
Spoon the caramelized onions generously over the steaks and serve immediately.
💡 Chef's Tip
For extra richness, finish with a small knob of cold butter stirred into the onion pan sauce just before serving.
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