New York Strip Steak with Shallot Dijon Pan Sauce

New York strip steak is a classic steakhouse cut, prized for its firm, tender bite, pronounced beef flavour and enough exterior fat to help it sear well in a hot pan. Here it is served with a shallot and Dijon pan sauce, a practical way to turn the browned bits left from searing into something glossy, savoury and lightly tangy. Beef stock gives the sauce depth, mustard adds lift, and cold butter rounds it out without making it heavy. It is a compact dinner with a polished finish, suited to simple sides such as potatoes, greens or a crisp salad.
Cuisine style American steakhouse-style cooking
Flavor profile Savoury • Rich • Tangy
Techniques Pan-searing • Sautéing • Simmering
Key equipment Cast-iron frying pan • Whisk • Tongs
Cooking style Minimal cleanup
Time commitment Under 30 minutes

Why this recipe works

  • Built-in depth: The sauce uses the browned bits left from searing the steak, giving the stock and shallots a deeper savoury base.
  • Balanced richness: Dijon mustard cuts through the beef and butter with a clean tang, keeping the sauce rich but not heavy.
  • Glossy pan sauce: Whisking in cold butter off the heat helps the sauce emulsify into a smooth, spoonable finish.

Get the most out of this recipe

Timing notes

  • Rest before slicing: Let the steak rest for the full time so the juices settle before slicing.
  • Serve promptly: The sauce is best spooned over the steak as soon as it is glossy and emulsified.

Texture tips

  • Dry steak, better crust: Pat the steak thoroughly dry before seasoning; surface moisture prevents strong browning.
  • Keep the sauce smooth: Add the butter off the heat and whisk gradually to avoid a greasy or split sauce.

Ingredient notes

  • Choose a thick steak: A steak about 2.5 cm thick gives enough time to develop a crust without overcooking the centre.
  • Use good stock: Because the sauce is simple and reduced, a well-flavoured beef stock makes a noticeable difference.
  • Mustard choice: Dijon gives a smooth, sharp finish, while whole-grain mustard adds texture and a gentler bite.

Serving ideas

  • Classic sides: Serve with chips, mashed potatoes, roasted potatoes or green beans to catch the pan sauce.
  • Wine pairing: A medium- to full-bodied red such as Cabernet Sauvignon, Malbec or Syrah suits the rich beef and mustard sauce.

Equipment you'll need

Ingredients
Instructions
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  1. Pat the steaks dry, then season all over with the fine sea salt and black pepper. Peel and finely slice the shallot.
  2. Heat the olive oil in a cast-iron frying pan over medium-high heat until shimmering. Add the steaks and sear for 3 to 4 minutes per side for medium-rare, or cook to your preferred doneness. Transfer to a board and rest for 8 minutes.
  3. Reduce the heat to medium and add the shallot to the same pan. Cook for 1 to 2 minutes until softened, scraping up the browned bits.
  4. Pour in the beef stock and bring to a simmer, then cook for 3 to 5 minutes until slightly reduced. Whisk in the Dijon mustard until smooth.
  5. Take the pan off the heat and whisk in the butter a little at a time until glossy and emulsified. Slice the steaks and spoon the pan sauce over to serve.

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Recipe notes

Tips

  • For the best crust, make sure the steaks are very dry before they hit the pan and do not move them until they release easily.
  • If the sauce reduces too far, whisk in a splash more beef stock off the heat to loosen it without thinning the flavour.
  • Avoid boiling after adding the butter; gentle heat keeps the sauce smooth rather than greasy.

Substitutions

  • Replace Dijon mustard with whole-grain mustard for a coarser texture and a slightly milder heat.
  • Replace olive oil with vegetable oil for a more neutral sear.

Storage

  • Refrigerate up to 2 days
  • Cool leftovers quickly, then refrigerate in an airtight container. Reheat the steak gently in a 160°C (320°F) oven until just warmed through, and warm the sauce in a small saucepan over low heat, whisking to bring it back together.

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Recipe overview

  • Servings: 2 servings
  • Total time: 30min (22min active)
  • Difficulty: Medium
  • Cuisine: American
  • Allergens:
    Milk Mustard
One pot

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