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Steak with Lemongrass Peppercorn Sauce

Peer reviewed by UK recipe editorsAuthored by UK recipe editorsOriginally published 16 Jan 2026

Meets Patient’s editorial guidelines

This steak with lemongrass peppercorn sauce is a sophisticated twist on a classic bistro favourite. The sharp, citrusy notes of fresh lemongrass cut through the richness of the beef, while the coarsely cracked peppercorns provide a warming heat. Using a dry vermouth to deglaze the pan ensures every bit of savoury flavour from the seared steak is incorporated into the silky, aromatic sauce.

Perfect for an elegant weekend dinner, this dairy-free main course feels indulgent without being overly heavy. Serve the sliced sirloin with steamed green beans or sautéed kale to complement the bright flavours of the infusion. It is an excellent choice for those seeking a restaurant-quality meal at home that relies on high-quality ingredients and simple French-inspired techniques.

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Ingredients for Steak with Lemongrass Peppercorn Sauce

  • 1 to 2 fresh lemongrass stalks, trimmed, discarding outer layers

  • 900g (1-inch-thick) boneless top loin (New York strip or shell) steaks

  • 80ml dry vermouth

  • 120ml reduced-sodium chicken broth

  • 180ml double cream

  • Coarsely ground black peppercorns

How to make Steak with Lemongrass Peppercorn Sauce

Finely chop 80ml lemongrass.

Heat a dry 12-inch heavy skillet (not nonstick) over medium heat 5 minutes. Pat steak dry and season with 1 teaspoon salt. Cook, undisturbed, 7 minutes. Turn, then cook 7 to 8 minutes for medium-rare. Transfer to a cutting board.

Discard fat from skillet and deglaze with vermouth by boiling, scraping up bits, 1 minute. Add lemongrass, remaining ingredients, and 1/4 teaspoons salt and boil until thickened slightly, 3 to 5 minutes. Serve over steak.

Disclaimer

While every effort has been made to ensure the information is accurate and up to date, individual needs may vary and dietary requirements can differ based on personal health conditions. Always check food labels and allergen information before preparing or consuming any recipe. If you have specific health concerns, allergies, intolerances, or are following a medically prescribed diet, seek advice from your GP, pharmacist, or a registered dietitian before making significant changes to your diet or lifestyle.

Article history

The information on this page is peer reviewed by qualified clinicians.

  • 16 Jan 2026 | Originally published

    Authored by:

    UK recipe editors

    Peer reviewed by

    UK recipe editors
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