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Dean & Deluca's Tuna Sandwich with Carrots, Red Onion, and Parsley

This elevated tuna sandwich is a nutritious take on a lunch classic, offering a sophisticated blend of textures and bright, fresh flavours. High in protein and packed with crisp carrots, red onion, and fresh parsley, the filling provides a satisfying crunch that far surpasses a standard shop-bought sandwich. The addition of lemon juice and a hint of garlic cuts through the creamy mayonnaise, resulting in a balanced and vibrant spread that feels remarkably light and fresh.

Perfect for a quick weekday lunch or a weekend picnic, this versatile recipe works beautifully served in soft rolls or atop a bed of leafy greens. By prepared the tuna mixture in advance, you have a convenient options for healthy meal prepping throughout the week. Serve with extra slices of vine-ripened tomato for a truly classic British deli experience at home.

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Ingredients for Dean & Deluca's Tuna Sandwich with Carrots, Red Onion, and Parsley

  • 4 six-ounce cans drained chunk white tuna in water

  • 6 tablespoons finely chopped carrots

  • Half cut plus 1 tablespoon finely chopped red onion

  • 6 tablespoons chopped fresh parsley

  • 6 tablespoons finely chopped celery

  • 3 spring onions, finely chopped

  • One and a half cups of your favourite mayonnaise

  • 1 small garlic clove, peeled and crushed

  • 3 tablespoons lemon juice

  • Salt and pepper to taste

  • 6 rolls

  • Lettuce and tomato as accompaniments

  1. Put the tuna in a large bowl. Mash. Add the carrots, onion, parsley, celery, and spring onions.

  2. Place the mayonnaise in a small bowl. Add the crushed garlic clove and the lemon juice. Add the mayonnaise mixture to the tuna. Mix together. Add salt and pepper to taste. Serve on rolls with lettuce and tomato.

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.

  • 28 Jan 2026 | Originally published

    Authored by:

    UK recipe editors

    Peer reviewed by

    UK recipe editors
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