How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Grilled Tuna Salad Nicoise?

You need 14 ingredients. The key ingredients include: 2 (8 ounce) tuna steaks, 3 medium new potatoes, unpeeled,boiled and cubed, 1/2 lb cooked and blanched green beans (2 inch cuts), 1 small red onion, sliced into very thin rings, and more.

Is Grilled Tuna Salad Nicoise suitable as seafood?

Yes, Grilled Tuna Salad Nicoise falls under the Seafood category and is a great choice for this type of meal.

How do I store leftover Grilled Tuna Salad Nicoise?

Keep refrigerated in an airtight container and enjoy within 1–2 days for the best freshness. Best served cold — no reheating needed.

Grilled Tuna Salad Nicoise Recipe

Name: Grilled Tuna Salad Nicoise
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 (8 ounce) tuna steaks; 3 medium new potatoes, unpeeled,boiled and cubed; 1/2 lb cooked and blanched green beans (2 inch cuts); 1 small red onion, sliced into very thin rings; 1 vine ripened tomatoes, 1/2 inch cubes; 1 cup ripe olives; 2 tablespoons red wine vinegar; 1 tablespoon balsamic vinegar; 2 tablespoons Dijon mustard; 1/2 cup olive oil; 1 teaspoon sugar; 1 teaspoon salt; 1 teaspoon black pepper; 1/2 teaspoon thyme

Fresh, crisp and full of flavor — this Grilled Tuna Salad Nicoise is a must-try. Made with tuna, new potatoes, green beans and red onion. Easy step-by-s…

This Grilled Tuna Salad Nicoise relies on simple, everyday ingredients such as (8 ounce) tuna steaks, ripe olives, red wine vinegar and balsamic vinegar. It comes together quickly and makes 4 servings, at about 488 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Seafood

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Brown sugar instead of white sugar adds a deeper, more caramel-like flavor.

No specific allergen information. Please check the ingredient list for possible allergens.

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Grilled Tuna Salad Nicoise

Tips for the best results

Variations & substitutions

My Personal Notes

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