Skip to main content

Tuna, Fennel, Avocado, and Tangerine Salad with Citrus Vinaigrette

This elegant tuna, fennel, and citrus salad is a vibrant, heart-healthy dish that celebrates fresh, seasonal flavours. Combining succulent seared sushi-grade tuna with the crisp bite of fennel and the buttery richness of avocado, it offers a sophisticated balance of textures. The addition of blood oranges and seedless tangerines provides a refreshing acidity that cuts through the richness of the fish, making it an ideal choice for a light lunch or a refined starter.

Packed with omega-3 fatty acids and essential vitamins, this salad is as nutritious as it is beautiful. The zingy citrus vinaigrette, infused with Meyer lemon and Champagne vinegar, ties the elements together with a bright, sophisticated finish. Serve this colourful plate at your next dinner party or enjoy it as a wholesome midweek treat that feels truly indulgent without being heavy.

Continue reading below

Ingredients for Tuna, Fennel, Avocado, and Tangerine Salad with Citrus Vinaigrette

  • 110g sushi-grade tuna

  • 1/8 teaspoons olive oil

  • 1 head frisée (about 275g ), leaves separated

  • 1 fennel bulb, stemmed and sliced (fronds reserved)

  • 2 blood oranges (or navel oranges), peel, pith and seeds removed, cut crosswise into 1/8-inch slices (juice reserved)

  • 2 seedless tangerines, peel and pith removed, cut crosswise into 1/8-inch slices (juice reserved)

  • 3/4 avocado, cut into 1/8-inch slices

  • 60ml extra-virgin olive oil

  • 2 teaspoons fresh lemon juice (preferably from Meyer lemons)

  • 1 1/2 teaspoons fresh blood orange juice (or fresh orange juice)

  • 1 1/2 teaspoons fresh tangerine juice

  • 1 1/2 teaspoons Champagne vinegar

  • 1/2 shallot, minced

  • 1/4 teaspoons lemon zest

  • 1/4 teaspoons tangerine zest

  • 1/4 teaspoons sea salt

  • 1/4 teaspoons freshly ground black pepper

How to make Tuna, Fennel, Avocado, and Tangerine Salad with Citrus Vinaigrette

Heat grill to high. Brush tuna with oil; sear 1 1/2 minutes per side. Remove from grill; set aside to cool.

Combine first 6 ingredients in a bowl; whisk until blended. Stir in zests. Add salt and pepper. Toss frisée with 1 tablespoon dressing. Divide frisée between 2 bowls; surround frisée with fennel slices. Top with orange, tangerine and avocado. Drizzle each bowl with 1 tablespoon dressing. Thinly slice tuna and place half on top of each salad. Top with fennel fronds.

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
flu eligibility checker

Ask, share, connect.

Browse discussions, ask questions, and share experiences across hundreds of health topics.

symptom checker

Feeling unwell?

Assess your symptoms online for free

Sign up to the Patient newsletter

Your weekly dose of clear, trustworthy health advice - written to help you feel informed, confident and in control.

Please enter a valid email address

By subscribing you accept our Privacy Policy. You can unsubscribe at any time. We never sell your data.