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Grilled Flatiron Steak with Toasted Spice Vinaigrette

This grilled flat iron steak with toasted spice vinaigrette is a sophisticated yet simple dish that celebrates bold flavours and high-quality ingredients. The flat iron cut, known for its exceptional tenderness and rich marbling, takes beautifully to a quick sear on the grill or griddle pan. When paired with thick slices of juicy heirloom tomatoes and a fragrant, spiced dressing, it creates a vibrant meal that feels indulgent while remaining light and fresh.

As a diabetes-friendly main course, this recipe prioritises lean protein and fresh produce, making it an excellent choice for a healthy weeknight dinner or a relaxed weekend lunch. The toasted spice vinaigrette adds a complex, savoury depth without the need for sugary marinades or heavy sauces. Serve this dish alongside a crisp green salad or some steamed seasonal greens for a perfectly balanced and nutritious homemade meal.

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Ingredients for Grilled Flatiron Steak with Toasted Spice Vinaigrette

  • 675g flatiron or skirt steak, cut into 4 pieces

  • 1 tablespoon olive oil

  • Kosher salt

  • Freshly ground black pepper

  • 4 beefsteak or heirloom tomatoes, sliced 1/2" thick

  • Toasted Spice Vinaigrette

How to make Grilled Flatiron Steak with Toasted Spice Vinaigrette

Prepare grill for medium-high heat. Rub steak with oil; season with salt and pepper. Grill about 4 minutes per side for medium-rare. Let cool 5 minutes before slicing against the grain.

Serve steak on top of tomatoes with vinaigrette spooned over.

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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