Tuna Nicoise Salad
A classic Niçoise salad elevated with pan-seared tuna for a restaurant-quality finish at home. Crisp green beans, tender potatoes, olives and hard-cooked eggs are tossed with a bright Dijon vinaigrette and topped with a quickly seared tuna steak.
Ingredient Spotlight
Haricots verts (or green beans)
Haricots verts are a French variety of very thin, tender green bean commonly used in French cuisine; they’re more delicate and slightly sweeter than standard green beans and cook very quickly. They have a fresh, vegetal aroma and a tender-crisp texture when lightly cooked. Find them at farmers’ markets, specialty produce sections, or well-stocked supermarkets; substitute regular green beans (trimmed and sliced thinner or French-cut) if unavailable.
Ingredient Spotlight
Niçoise (or pitted Kalamata) olives
Niçoise olives come from the Nice region of France and are small, firm, and briny with a slightly bitter undertone; the label here also suggests Kalamata olives, which are Greek, plum-shaped, and have a rich, fruity, tangy flavor. Both are sold cured in brine or oil and contribute a pronounced salty, savory aroma to salads. Look for them in the olive/Mediterranean aisle of supermarkets or specialty stores; substitutes include Castelvetrano olives for a milder buttery note or other brined black olives in a pinch.
Jake's note
"This Niçoise shines as a light dinner that still feels special — ideal for weekend meals or entertaining. Pan-searing the tuna gives a warm, savory contrast to the cool salad components you'll love."
Tuna Nicoise Salad
This Tuna Niçoise is built to feel like a restaurant plate without the fuss of a multi-course meal—the core idea is bright, fork-friendly components and a short, hot sear that gives the tuna a caramelized edge and a melt-in-the-middle center. Haricots verts keep a clean snap against pillowy halved baby potatoes, while hard-cooked eggs and briny Niçoise olives add richness and savory counterpoints; a mustard-forward red-wine vinaigrette ties it all together with a little tang and body. Using warm or room-temperature potatoes keeps the salad cohesive and helps the dressing cling, so you get a single composed bite rather than a loose tossed salad.
This version works because of timing: blanch the beans, cook potatoes and eggs together, then finish with a hot, fast sear. That contrast—crispy exterior tuna, creamy yolk, crunchy beans, and tender potatoes—gives each forkful interest. It’s ideal for a leisurely dinner for two, a weekend lunch that feels special, or a spring/summer entertaining main when you want something light but substantial. If you love focused textures and clear flavors rather than heavy sauces, this will feel like home and like a treat at once.
Plan your timing
Ingredients
Instructions
Cook potatoes and hard-boil eggs
For this step
- 1 lbBaby potatoes
- 4 piecesLarge eggs
Blanch green beans
For this step
- 8 ozHaricots verts (or green beans)
Make the Dijon vinaigrette and prep salad base
For this step
- 1.5 cupsCherry tomatoes, halved
- 0.5 cupNiçoise (or pitted Kalamata) olives
- 6 cupsMixed salad greens
- 4 tbspExtra-virgin olive oil
- 1 tbspDijon mustard
- 2 tbspRed wine vinegar
Pan-sear the tuna
For this step
- 2 piecesFresh tuna steaks
Assemble the Niçoise
Tips from the kitchen
Pat tuna dry
A very dry steak sears instead of steams; press paper towels to the surface and oil the pan, not the fish, for a clean crust.
Seed and size potatoes
Choose uniformly sized baby potatoes so they cook evenly, and halve them after simmering so the dressing penetrates the interior.
Ice bath for snap
Shock the green beans in an ice bath immediately after blanching to preserve color and crispness; it also stops carryover cooking.
Rest then slice tuna
Rest the tuna 2–3 minutes after searing so juices redistribute, then slice thinly across the grain for tender bites.
Emulsify the dressing
Whisk the Dijon into the vinegar before adding oil to help the vinaigrette emulsify and cling to potatoes and greens.
Variations & substitutions
Canned-Tuna Shortcut
Use high-quality packed tuna (in olive oil) drained and flaked if you want a quicker, budget-friendly option; toss warm potatoes with a little extra dressing to replicate the depth of seared tuna.
Vegetarian Niçoise
Omit the tuna and add grilled marinated halloumi or roasted chickpeas for protein; finish with a lemony herb sprinkle to brighten the dish.
Warm Seared Salmon
Swap the tuna for salmon fillets seared skin-on; cook a bit longer so the center is just opaque, which pairs beautifully with the mustard vinaigrette.
Herb-Forward Dressing
Fold chopped flat-leaf parsley, chives, and a little tarragon into the vinaigrette for a fresher finish that complements the tuna's richness.
Storage & make-ahead
Store components separately: dressed greens will wilt, so keep greens and vinaigrette apart and refrigerate potatoes, beans, eggs, and olives in an airtight container for up to 3–4 days. Seared tuna is best eaten the day it’s cooked; if you must store it, refrigerate for up to 24 hours and serve cold or briefly warm through in a hot pan for no more than 30–60 seconds per side. Keep leftover vinaigrette in a jar in the fridge for up to a week and re-whisk before using.
What to serve with it
Serve the salad on a large platter so the tuna can be fanned across the top and everyone can choose their composition; offer lemon wedges for a bright finish. Pair with a chilled Provençal rosé, a crisp Sauvignon Blanc, or an unoaked Chardonnay, and a hunk of country bread to sop up any leftover dressing and yolk.
Frequently asked questions
How rare should the tuna be?
Niçoise traditionally uses rare tuna—sear 1–1½ minutes per side for a 1-inch steak so the center stays warm and pink; cook longer only if you prefer it medium.
Can I make this salad ahead?
Prep components ahead—cook potatoes, eggs, beans, and make the dressing up to a day in advance—but sear the tuna and assemble just before serving to preserve texture and warmth.
Are Niçoise and Kalamata olives interchangeable?
They’re similar in briny intensity but different in flavor: Niçoise are smaller and slightly more floral, while Kalamatas are meatier and a touch sweeter—either works, but adjust salt to taste.
My green beans turned out mushy; what went wrong?
They were likely overcooked or not shocked; shorten the blanch time by a minute and immediately transfer to an ice bath to halt cooking and preserve snap.
Is it safe to eat seared tuna rare?
Yes, if the tuna is sushi-grade or very fresh and has been handled cold, searing the exterior is safe; choose reputable fish and keep it well chilled until cooking.
About the author
JakeHello, I'm Jake. I started this recipe site with the idea that I hated recipe websites that overwhelm you with long stories and ads just to see plain content that's not helpful. My goal is to provide you with quality recipes, simple ideas and a fun cooking experience. There's lots of fun things to cook, and I think as you browse the site you'll find that TopShelf.Recipes is the place for quality recipes on the web.
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Ingredients
- Baby potatoes1 lb
- Large eggs4 pieces
- Haricots verts (or green beans)8 oz
- Cherry tomatoes, halved1.5 cups
- Niçoise (or pitted Kalamata) olives0.5 cup
- Mixed salad greens6 cups
- Extra-virgin olive oil4 tbsp
- Dijon mustard1 tbsp
- Red wine vinegar2 tbsp
- Fresh tuna steaks2 pieces
Nutrition Facts
Per serving: about 2 cups
Nutrition values are estimated from USDA ingredient data and may vary based on preparation, brands, and portion sizes. Values are provided for informational purposes only.
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