Classic Nicoise Salad Dressing Recipe: Herb-Infused Olive Oil Emulsion With Anchovy Depth

This classic Nicoise salad dressing recipe delivers the authentic French balance of briny anchovies, tangy Dijon, and bright herbs in a silky olive oil emulsion. 💚 The secret lies in proper emulsification—whisking the ingredients until they create a stable, velvety dressing that clings to every leaf of your salad without separating.

I've perfected this technique over years of testing, ensuring the flavors develop fully during a mandatory 30-minute rest before serving.

The dressing's foundation is a harmonious blend of extra-virgin olive oil and red wine vinegar, tempered by Dijon mustard for body and anchovies for that signature umami depth. Fresh tarragon and parsley add herbal brightness, while a touch of garlic ensures complexity.

What makes this dressing truly special is how the flavors meld—anchovies dissolve into the emulsion rather than creating fishy chunks, and the herbs infuse without overpowering the delicate balance.

What you'll achieve is a dressing that transforms a simple salad into a restaurant-quality dish, with each bite delivering a perfect harmony of tangy, herby, and briny notes. The emulsion remains stable for up to 5 days in the fridge, making it ideal for meal prep.

This is the dressing that elevates Nicoise salad from good to extraordinary—every chef's secret weapon for that authentic French touch.

Perfect for drizzling over mixed greens, hard-boiled eggs, or your favorite Mediterranean proteins. The key to success lies in patience—the 30-minute rest allows flavors to develop fully, ensuring each component shines without competing. Let's create this dressing that's as versatile as it is delicious.

Ingredients for classic nicoise salad dressing

Nine ingredients, one perfect emulsion—this is how you make authentic French dressing.

The olive oil and vinegar are your foundation—look for extra-virgin with at least 70% oleic acid and a dry, aged red wine vinegar for balance. Trader Joe's and Whole Foods carry excellent options, but any reputable grocery store will have decent choices. Anchovies are non-negotiable for that signature umami—Colavita or StarKist fillets are my go-to, but check for clean, odorless fillets. Fresh tarragon is ideal, but if you can't find it, dried at one-third the amount works in a pinch. The Dijon mustard should be whole grain for that perfect texture—Maille is the gold standard, but any quality brand will do.

No anchovies? One teaspoon of anchovy paste works as a substitute, but you'll lose some of that delicate fishiness. Short on tarragon? Fresh basil or chives at half the amount add brightness without overpowering. The garlic can be roasted for a milder flavor if you're sensitive to its bite. For a smoother emulsion, blend the anchovies with the mustard first before incorporating the oil. If your dressing breaks, simply whisk in another tablespoon of olive oil and a teaspoon of vinegar to stabilize it. The key is patience—let the flavors meld for at least 30 minutes before using.

This dressing keeps beautifully—up to 5 days in the fridge when stored in a sealed jar. The emulsion remains stable, but give it a quick whisk before each use. For longer storage, freeze in ice cube trays—up to 3 months. Each cube makes a perfect single serving, perfect for drizzling over salads or roasted vegetables. If you make extra, it's ideal for brining proteins or deglazing pans—just whisk in a splash of water to thin it out.

Step-by-step instructions for herb-infused olive oil emulsion

This classic Nicoise dressing delivers the perfect balance of briny anchovy depth and bright herbaceousness.

In a small bowl, combine the 4 whole anchovy fillets with the 0.25 cup finely chopped fresh tarragon leaves. Let them sit for 5 minutes—this allows the anchovies to soften and release their umami essence into the tarragon. I like to use my fingers for this step; it's more tactile and helps break down the anchovies into a paste.

This initial infusion is crucial for building the dressing's signature depth. The tarragon's anise notes will mellow slightly but remain vibrant, creating that classic Provençal character. Don't skip this step—it's what transforms a simple vinaigrette into something truly special.

Add the 0.25 cup red wine vinegar and 2 tbsp Dijon mustard to the anchovy-tarragon mixture. Using a small whisk, combine everything until smooth and fully integrated. The mustard helps emulsify the dressing later, while the vinegar cuts through the richness of the olive oil we'll add next.

Here's where it gets interesting—the anchovies should dissolve completely, leaving behind just their salty, savory essence. If you see any undissolved pieces, mash them gently with the back of your spoon. This mixture should be silky and homogeneous; any lumps will create a grainy texture in your final dressing.

With the whisk moving continuously, very slowly drizzle in the 0.75 cup extra-virgin olive oil. This gradual addition is key to creating a stable emulsion—adding it too quickly will cause the dressing to break. Start with just a few drops, then gradually increase the flow as the mixture begins to thicken.

You're aiming for a texture that's thick enough to coat the back of a spoon but still pourable. The dressing should look like mayonnaise in consistency, with a glossy sheen. If it starts to separate, simply whisk in another teaspoon of vinegar to re-emulsify. Patience here pays off—rushing this step often leads to a broken dressing.

Stir in the 1 minced garlic clove, 0.15 cup chopped fresh parsley, 0.5 tsp kosher salt, and 0.25 tsp freshly ground black pepper. The parsley adds a fresh, slightly peppery brightness that cuts through the richness, while the garlic deepens the flavor profile. Taste and adjust the seasoning—you might need a bit more salt to balance the anchovies' intensity.

This is the moment where all the flavors come together. The dressing should taste complex—salty from the anchovies, bright from the vinegar, herbal from the tarragon and parsley, and with a subtle garlic warmth. If it tastes too sharp, add a tiny bit more olive oil. If it needs more acidity, a splash of vinegar will help.

Transfer the dressing to a clean jar and let it rest at room temperature for at least 30 minutes before using. This resting period allows the flavors to meld and the emulsion to fully stabilize. I like to give mine up to 2 hours if I'm making it ahead—it actually improves with time.

Before using, give it one final taste and adjust the seasoning if needed. The dressing should coat your fork lightly but not be overly thick. If it's too thick, whisk in 1-2 teaspoons of water or vinegar to loosen it. This classic Nicoise dressing keeps well in the refrigerator for up to 1 week, though I find it's best used within a few days for maximum freshness.

Essential equipment for classic nicoise salad dressing

Whisk Essentials

You'll need a small whisk—I recommend a French-style balloon whisk with fine wires for maximum control. The OXO Good Grips whisk is my go-to for emulsions like this; its ergonomic handle prevents hand fatigue during the gradual oil incorporation.

For budget-friendly options, the Cuisinart Stainless Steel Whisk works beautifully too. Avoid wide, flat whisks—they don't create enough surface area for proper emulsification. 💫

Glass Jars

Use a clean, dry glass jar with a tight-sealing lid for storage and resting. I prefer Le Parfait 16-ounce jars—they're food-safe, airtight, and perfect for shaking if you need to re-emulsify later.

Mason jars work too, but ensure they're completely dry before use to prevent mold growth. The glass preserves the dressing's integrity better than plastic containers, which can absorb odors over time.

Measuring Tools

Precision matters with this dressing—use a liquid measuring cup for the oil and vinegar, and a small measuring spoon set for the mustard, salt, and pepper. I keep a Weston Products Stainless Steel Measuring Spoons set on my counter for accuracy.

For the herbs, a sharp chef's knife and small cutting board are essential. A microplane works wonders for mincing garlic without over-releasing its pungent oils.

Anchovy Handling

Invest in a small fish spatula or the back of a spoon for breaking down anchovies—this prevents cross-contamination with other foods. I use a stainless steel fish turner to gently mash the fillets into the tarragon.

For storage, keep your anchovies in the fridge in their original packaging until ready to use. Never freeze anchovies—they'll lose their delicate texture and flavor. A small bowl with a lid works well for the initial anchovy-tarragon infusion.

Temperature Control

Work in a cool environment—warm oil emulsifies poorly. If your kitchen gets hot, chill the olive oil in the fridge for 15 minutes before using. I also recommend keeping your vinegar and mustard at room temperature to prevent condensation when mixing.

A small bowl placed on a cooling rack helps maintain stable temperatures during preparation. This attention to temperature control is what separates amateur dressings from restaurant-quality emulsions. ⚡

Frequently asked questions