Flank Steak with Melon Relish
Peer reviewed by UK recipe editorsAuthored by UK recipe editorsOriginally published 17 Jan 2026
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This vibrant flank steak with melon relish offers a refreshing twist on a classic beef dish. By pairing lean, pan-seared steak with a bright salsa of juicy cantaloupe, red onion and fresh herbs, you create a sophisticated balance of savoury and sweet notes. The use of fresh mint and white balsamic vinegar provides a zesty finish that lifts the richness of the meat without the need for heavy sauces.
As a diabetes-friendly main course, this recipe focuses on high-quality protein and fresh, whole-food ingredients. It is naturally low in saturated fat and packed with vitamins from the fresh fruit and herbs, making it an excellent choice for a healthy mid-week meal or a light weekend lunch. Serve it alongside a crisp green salad or some steamed seasonal vegetables for a complete, nutritionally balanced plate.
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Ingredients for Flank Steak with Melon Relish
1 large cantaloupe, peeled, seeded and diced
1 medium red onion, diced
1 cup Italian parsley, chopped
1/2 cup fresh mint, chopped
2 tablespoons white balsamic (or cider) vinegar
2 tablespoons extra-virgin olive oil
1.4kg flank steaks
2 teaspoons sea salt
1/2 teaspoons freshly ground black pepper
How to make Flank Steak with Melon Relish
Toss cantaloupe, onion, parsley, mint, vinegar and oil in a bowl. Set aside. Heat a grill, grill pan or large skillet over high heat. Season flank steaks on both sides with salt and pepper. Cook 5 to 8 minutes on each side for medium rare, 8 to 10 minutes per side for medium and 10 to 12 minutes per side for well done. Remove from heat and allow to rest on a clean cutting board for 5 to 7 minutes. Cut steak diagonally into 1/8-inch-thick slices and transfer to a platter. Spoon half the relish on top. Serve remaining relish on the side.
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.
17 Jan 2026 | Originally published
Authored by:
UK recipe editors
Peer reviewed by
UK recipe editors

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