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Orzo with Grilled Prawns, Summer Vegetables, and Pesto Vinaigrette

This vibrant orzo with grilled prawns and summer vegetables is a wonderful celebration of seasonal flavours. By combining toasted Mediterranean vegetables with juicy, charred prawns and creamy mozzarella, you create a dish that is both light and deeply satisfying. The zesty pesto vinaigrette provides a punchy, herbaceous finish that ties the sweet heirloom tomatoes and fresh basil together beautifully.

As a high-protein meal, this recipe is an excellent choice for a nutritious midweek dinner or a sophisticated addition to a summer garden party. It can be prepared up to two hours in advance, allowing the flavours to develop as it chills. Serve it alongside a crisp green salad or simply on its own for a balanced, refreshing lunch that feels truly indulgent.

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Ingredients for Orzo with Grilled Prawns, Summer Vegetables, and Pesto Vinaigrette

  • 230g orzo (about 325ml )

  • 100ml extra-virgin olive oil, divided

  • 60ml red wine vinegar, divided

  • 2 medium courgette or summer squash (about 250g total), cut lengthwise into 1/4-inch-thick slices

  • 1 red or yellow pepper, quartered

  • 45ml purchased pesto

  • 2 tablespoons fresh lime juice

  • 450g uncooked large prawns, peeled, deveined

  • 2 heirloom tomatoes (8 to 275g total), cored, cut into 1/2-inch cubes (about 2 cups)

  • 1/2 cup thinly sliced fresh basil leaves plus sprigs for garnish

  • 30g ball fresh mozzarella cheese, cut into 1/2-inch cubes

How to make Orzo with Grilled Prawns, Summer Vegetables, and Pesto Vinaigrette

Cook orzo in large pot of boiling salted water until tender but still firm to bite, stirring occasionally. Drain. Rinse with cold water; drain well. Transfer to large bowl and toss with 1 tablespoon oil.

Prepare barbecue (medium-high heat). Whisk 2 tablespoons oil and 2 tablespoons vinegar in small bowl. Brush courgette and pepper with oil mixture, then sprinkle with salt and pepper. Whisk pesto, lime juice, remaining 50ml oil, and remaining 2 tablespoons vinegar in small bowl for pesto vinaigrette. Place prawns in medium bowl. Add 2 tablespoons pesto vinaigrette; toss to coat.

Grill courgette and pepper until crisptender, about 3 minutes per side for courgette and 4 minutes per side for pepper. Transfer to work surface. Sprinkle prawns with salt and pepper; grill until charred and cooked through, 2 to 3 minutes per side. Place prawns in bowl with orzo. Chop courgette and pepper; add to bowl with orzo. Add remaining vinaigrette, tomatoes, sliced basil, and mozzarella; toss to combine. Season to taste with salt and pepper. DO AHEAD: Can be made 2 hours ahead. Cover; chill.

Garnish with basil sprigs and serve cold or at room temperature.

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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