Salade Niçoise with Seared Tuna and Classic Fixings

Salade niçoise is a French salad from Nice, traditionally built around tomatoes, olives, anchovies and other Mediterranean ingredients; versions vary, and green beans, potatoes and tuna are common additions. This hearty version pairs seared tuna with tender potatoes, crisp beans, eggs and a punchy Dijon vinaigrette, arranged on a platter so each ingredient keeps its texture and flavor.

Ingredients

1 lb (450 g) small Yukon Gold or baby potatoes, scrubbed
8 oz (225 g) thin green beans, trimmed
4 large eggs
12 oz (340 g) sushi-grade or otherwise high-quality tuna steaks, about 1 in (2.5 cm) thick
1 tbsp (15 ml) olive oil, plus 1 tsp (5 ml) for the tuna
1 tsp (5 g) kosher salt, divided, plus more for the cooking water
¼ tsp (1 g) freshly ground black pepper, plus more to taste
1 pint (300 g) ripe cherry tomatoes, halved
½ small red onion, thinly sliced (about ½ cup / 75 g)
½ cup (75 g) Niçoise olives or other small briny black olives, pitted
4 anchovy fillets (about 15 g), drained and finely chopped, optional
4 cups (120 g) loosely packed tender lettuce leaves, such as butter lettuce
2 tbsp (30 ml) red wine vinegar
1 tsp (5 g) Dijon mustard
1 small garlic clove, finely grated or minced
3 tbsp (45 ml) extra-virgin olive oil
1 tbsp (15 g) chopped fresh parsley, for finishing

Instructions

Cook the potatoes. Put the potatoes in a saucepan and cover with cold water by about 1 in (2.5 cm). Add a generous pinch of salt. Bring to a boil, then reduce the heat and simmer until a knife slips into the largest potato easily, 15–20 minutes. Drain and leave until cool enough to handle, about 5 minutes. Halve or quarter them, depending on size, and season lightly with salt and pepper.
Boil the eggs. Place the eggs in a small saucepan and cover with cold water. Bring to a boil, cover, turn off the heat and let stand for 10–12 minutes. Transfer to a bowl of ice water for at least 5 minutes, then peel and halve. For whole boiled eggs, cook until both yolk and white are firm; no thermometer is needed.
Blanch the beans. Bring a pot of salted water to a boil. Add the green beans and cook for 3–4 minutes, until bright green and crisp-tender. Drain and cool briefly under cold running water or in ice water, then dry well. This stops the cooking and helps preserve their color.
Mix the dressing. Whisk the vinegar, Dijon, garlic and a pinch each of salt and pepper in a small bowl. Slowly whisk in the 3 tablespoons (45 ml) extra-virgin olive oil until combined. Taste and adjust the seasoning; olives and anchovies will add plenty of salt to the finished salad.
Sear the tuna. Pat the tuna dry and season both sides with the remaining salt and pepper. Heat 1 tablespoon (15 ml) olive oil in a heavy skillet over high heat until shimmering. Sear the steaks for about 1½–2 minutes per side for a browned outside and rare center, adjusting for thickness. The USDA FSIS safe minimum internal temperature for fish is 145°F (63°C), checked with a food thermometer at the thickest part; cook to that temperature for a fully cooked, food-safe result. Let the tuna rest for 3 minutes, then slice across the grain. If serving it below 145°F (63°C), understand that this is not the USDA safe minimum; people at higher risk from foodborne illness should choose fully cooked fish.
Assemble and serve. Arrange the lettuce on a large platter. Add the potatoes, green beans, tomatoes, onion, olives and eggs in separate clusters. Scatter over the anchovies, if using. Place the sliced tuna on top, spoon the dressing over the salad and finish with parsley. Serve promptly, with extra dressing at the table if desired.

Tips

Choose tuna to suit your diners. Tuna can be seared briefly for a rare center, but that does not meet the USDA safe minimum for fish. Cook it to 145°F (63°C) if you want the fully cooked, recommended option, or use canned tuna for a no-searing variation.
Keep the components dry. Drain and dry the beans well, and let hot potatoes steam off for a few minutes before dressing. Excess water dilutes the vinaigrette and makes the platter soggy.
Adapt the traditional ingredients. Niçoise olives are small and briny; Kalamata olives work as a practical substitute but taste fruitier and less sharp. If anchovies are unavailable or unwelcome, omit them and add a little extra olive or caper brine to the dressing.
Prep ahead without dressing everything. Potatoes, eggs and beans can be cooked earlier and chilled separately. Dress just before serving so the lettuce stays crisp and the flavors remain distinct.

Serving Suggestions

Serve the salad as a complete lunch or a light dinner, with crusty bread to catch the vinaigrette. A simple bowl of seasonal fruit makes an easy finish. For a more generous meal, put extra potatoes and bread on the table rather than adding more components to the platter. The salad is best served at room temperature or slightly cool, not ice-cold; take chilled ingredients out briefly while assembling, but do not leave the finished dish at room temperature for more than 2 hours.

Variations

For a convenient version, replace the seared tuna with two drained cans (about 10 oz / 280 g total) of tuna packed in olive oil, flaked just before serving. You can also use cooked salmon, added in large flakes, or omit fish for a vegetable-forward salad. Some versions include capers, radishes, cucumber or artichoke hearts; add one or two if you like, while keeping the platter balanced rather than crowded. If you prefer a milder dressing, reduce the Dijon to ½ teaspoon (2.5 g) and add a splash of water to loosen it.

Storage and Reheating

Refrigerate leftovers within 2 hours of serving, ideally in an airtight container, and use within 3–4 days. For the best texture, store the dressing separately and keep the lettuce apart from the other components. Cooked fish and hard-boiled eggs are perishable too, so do not leave them out longer than 2 hours (or 1 hour when the room temperature is above 90°F / 32°C). This salad is usually served cold or at room temperature; if you reheat leftover fish, heat it to 165°F (74°C), though it may become dry. Do not reheat the lettuce or dressed salad.

Frequently Asked Questions

Can I make salade niçoise ahead of time?
Yes. Cook the potatoes, beans and eggs up to a day ahead, cool them promptly and refrigerate them in separate covered containers. Make the dressing ahead as well. Sear the tuna and assemble the platter shortly before serving for the best texture.

Is tuna supposed to be rare in salade niçoise?
Some restaurant and home versions serve tuna rare, but rare fish has not reached the USDA FSIS safe minimum internal temperature of 145°F (63°C). For a food-safe fully cooked serving, check the thickest part with a thermometer and cook to that temperature; canned tuna is another easy option.

What can I use instead of fresh tuna?
Use canned tuna, cooked salmon or another fully cooked fish. Canned tuna is the quickest substitute and has a softer texture; salmon is richer and flakes more readily. Add either after the vegetables and eggs are arranged.

Do the potatoes need to be peeled?
No. Small potatoes have thin skins that hold their shape and add texture. Scrub them well before boiling; peel only if the skins are unusually thick or you prefer a smoother bite.

Can I leave out the anchovies?
Yes. They add savory, salty depth but are optional. Omit them for a milder salad, or add a teaspoon of capers or a little caper brine to the dressing for a similar briny note.

Can I serve this as a composed platter or toss it together?
Either works. A composed platter lets diners choose portions and keeps the ingredients distinct; tossing is convenient for a casual meal. If tossing, add the dressing gradually so the leaves and potatoes are coated without becoming wet.

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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes

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