Name: Potato & Green Bean Salad with Dijon Vinaigrette Recipe
Prep time: 15 min
Cook time: 20 min
Total time: 50 min
Cuisine: American
Ingredients: 1 ½ pounds fingerling potatoes, washed and sliced lengthwise into uniform pieces; ¾ pound haricots verts or green beans, ends trimmed and sliced into 2-inch pieces; 2 tablespoons vinegar, divided; Kosher salt and black pepper, to taste; ½ shallot, thinly sliced; 3 tablespoons capers, drained and roughly chopped; ¼ cup finely chopped leafy fresh herbs (dill or parsley); ⅓ cup extra virgin olive oil; ¼ cup vinegar; ½ shallot, finely diced; 2 cloves garlic, finely chopped or grated; 1 heaping tablespoon Dijon mustard (coarse ground preferred); ½ teaspoon garlic powder; ½ teaspoon onion powder; Kosher salt and black pepper, to taste; 1-2 tablespoons water (to adjust consistency)

Jump to Recipe· 4.2 from 7 reviews

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I absolutely love sharing this Potato & Green Bean Salad with Dijon Vinaigrette Recipe because it perfectly balances crisp, fresh vegetables with tender potatoes, all brought to life by a tangy, flavorful Dijon vinaigrette. It’s one of those salads that feels light and refreshing, yet hearty enough to be a main star or a fabulous side dish. Whenever I make it, I find myself coming back for seconds, and it always brings a bright, fresh vibe to any meal.

Why You’ll Love This Potato & Green Bean Salad with Dijon Vinaigrette Recipe

What really excites me about this Potato & Green Bean Salad with Dijon Vinaigrette Recipe is the delightful blend of textures and flavors. The fingerling potatoes are tender yet firm, giving a comforting chew, while the haricots verts offer a crisp snap that makes every bite satisfying. The Dijon vinaigrette is the star dressing here—zesty, garlicky, and with a perfect sharpness from the mustard and vinegar that livens up the whole dish. This isn’t your typical mayo-based potato salad, which I personally adore because it keeps the salad fresh and vibrant.

Another reason I’m so fond of this recipe is how easy it is to pull together. It requires just a handful of simple ingredients, and the techniques are straightforward—boiling, blanching, and whisking a quick vinaigrette. It comes together in under an hour, making it great for busy weeknights or last-minute gatherings. I’ve served this salad at barbecues, holiday meals, and casual dinners with friends, and it always steals the show. It’s a recipe that stands out because it’s both elegant and approachable, bursting with fresh herbaceous notes and a touch of briny capers that keep things interesting.

Ingredients You’ll Need

A wooden board sits on a white marbled surface with several fresh ingredients arranged on it. On the left side, a pile of long, green beans with a smooth texture lays next to a knife with a wooden handle. Near the center, there is a whole head of garlic with a few separated cloves around it, showing a pale cream color. Below the garlic are several fingerling potatoes in yellow with smooth skin, some whole and some cut into halves and slices, showing their light yellow inside. To the right, a blue scalloped bowl holds whole grain mustard with a coarse texture in light brown and mustard yellow colors. Behind the potatoes and bowl, a bunch of fresh dill with feathery green leaves adds a lively touch. Surrounding the board are small bowls and containers with ingredients including sliced shallots in pale pink, capers in green, salt in a white bowl with a wooden scoop, and clear glass bottles filled with golden oil. A wooden pepper grinder stands near the top. The whole scene is bright and clean, with natural light enhancing the fresh colors. Photo taken with an iphone --ar 4:5 --v 7

The beauty of this salad lies in its simple, wholesome ingredients—each one adding its own unique contribution to the overall flavor and texture. From the earthy fingerling potatoes to the crisp green beans and the vibrant Dijon vinaigrette, every element plays a crucial role.

Fingerling potatoes: Choose firm, evenly sized potatoes so they cook uniformly and hold their shape well.
Haricots verts or green beans: Fresh, trimmed, and sliced to match the potato pieces for uniformity in every bite.
Vinegar (divided): Adds brightness and helps balance the richness of the olive oil.
Kosher salt and black pepper: Essential for seasoning and enhancing all the flavors.
Shallots: Thinly sliced for a mild onion flavor that adds a delicate sharpness.
Capers: Briny and tangy, they add bursts of flavor that surprise and delight.
Fresh herbs (dill or parsley): Finely chopped for fresh, green notes and a lovely pop of color.
Extra virgin olive oil: The base of the vinaigrette, bringing richness and smoothness.
Garlic: Freshly chopped or grated for a punch of savoriness.
Dijon mustard: I use coarse ground for texture and a perfect bite in the dressing.
Garlic powder and onion powder: These round out the flavor profile with subtle depth.
Water: To adjust the vinaigrette’s consistency so it coats beautifully without being too thick.

Directions

Step 1: Place the sliced fingerling potatoes in a large, heavy-bottomed Dutch oven and cover them with just-warm water by about 2 inches. Add 1 tablespoon of vinegar and season generously with kosher salt, as if salting pasta water. Bring the pot to a boil over medium-high heat.

Step 2: Cook the potatoes until they are just tender enough to pierce easily with a fork—this usually takes about 10 to 15 minutes after boiling begins. Be careful not to overcook as you want the potatoes to maintain their shape and texture.

Step 3: Using a spider strainer or slotted spoon, carefully remove the potatoes and transfer them to a rimmed baking sheet. Spread them out evenly and drizzle the remaining tablespoon of vinegar over the warm potatoes. Set aside to let them cool to room temperature.

Step 4: Once the potatoes are out, add the green beans to the boiling water used for the potatoes. Blanch them for 3 to 4 minutes until they turn bright green and are tender but still have a crisp bite.

Step 5: Drain the green beans and immediately rinse under cold water to stop the cooking process and preserve their vibrant color. Set aside on a kitchen towel or paper towels to dry.

Step 6: While the potatoes and beans cool, prepare the Dijon vinaigrette. In a small bowl, whisk together the extra virgin olive oil, ¼ cup vinegar, finely diced shallot, chopped garlic, Dijon mustard, garlic powder, onion powder, kosher salt, and freshly cracked black pepper.

Step 7: Add 1 to 2 tablespoons of water to the vinaigrette to loosen it up slightly—this helps it coat the potatoes and green beans evenly without being too thick. Taste and adjust seasoning as needed.

Step 8: In a large mixing bowl, combine the cooled potatoes, blanched green beans, thinly sliced shallot, chopped capers, and fresh herbs. Pour the Dijon vinaigrette over the salad.

Step 9: Gently toss everything together, being careful not to break up the potatoes. You want each piece well coated with the vinaigrette and speckled with herbs and capers.

Step 10: Serve immediately, garnished with additional fresh herbs if you like, alongside your favorite spring or summer mains. Enjoy every bite!

Servings and Timing

This Potato & Green Bean Salad with Dijon Vinaigrette Recipe makes about 4 hearty servings—perfect for a family meal or sharing at a small gathering. Prep time is roughly 15 minutes, mostly for slicing and gathering ingredients. Cooking time is about 20 minutes due to boiling and blanching steps, with an additional 10-15 minutes to cool the potatoes and assemble the salad. Total time comes to approximately 50 minutes, making it a manageable dish to whip up even on busy days without sacrificing freshness or flavor.

How to Serve This Potato & Green Bean Salad with Dijon Vinaigrette Recipe

A white bowl holds a layered potato and green bean salad on a white marbled surface. The first layer consists of golden-yellow potato slices, some whole and some halved, with a smooth baked texture and sprinkled with green dill and small mustard seeds. The next layer is fresh green beans, vibrant and firm, mixed evenly among the potatoes. Thin, pale purple slices of onion add a slight contrast, scattered on top and between the beans and potatoes. A few small green capers and bits of fresh herbs are spread across the salad, with a light sheen of dressing visible on the vegetables. To the side, a clear bowl holds more dressing with chopped onions and a spoon. Photo taken with an iphone --ar 4:5 --v 7

I love serving this salad either slightly warm or at room temperature because it lets the vinaigrette soak beautifully into the potatoes and green beans, maximizing flavor. For something fresh and balanced, I often pair it with grilled chicken or fish, which complements the salad’s brightness without overpowering its delicate herbal notes. It’s also fantastic alongside a smoky barbecue spread or as a side at holiday dinners that need a lighter contrast.

When I’m aiming for a dinner party vibe, I like to present the salad on a large, rustic platter garnished with extra fresh herbs and capers scattered on top. Adding a few lemon wedges around the platter brightens things up visually and provides guests a way to tailor acidity if desired. For cocktail or wine pairings, a crisp Sauvignon Blanc or a dry rosé pairs wonderfully, both accentuating the salad’s citrusy and herbal notes without masking the Dijon mustard’s tang.

This salad is a crowd-pleaser for casual weekday meals and festive occasions alike. I find that portioning about ¾ cup per person strikes a nice balance if serving alongside other dishes, but it’s hearty enough to serve as a light main course with some crusty bread or a side of olives and cheese. Whether chilled, room temperature, or slightly warmed, it soaks up all the vinaigrette goodness, making every forkful a pleasure.

Variations

One of my favorite things about this Potato & Green Bean Salad with Dijon Vinaigrette Recipe is its flexibility. If you want to switch things up, try swapping fingerling potatoes for baby Yukon Golds or even new red potatoes—just be sure to cut them uniformly so they cook evenly. For the green beans, fresh asparagus tips or blanched snap peas add a fun crunch and a slightly different earthy note. I’ve also experimented with different herbs like tarragon or chives for a brighter, more aromatic twist.

If you’re looking for dietary modifications, this salad is naturally gluten-free and can easily be made vegan by keeping the vinaigrette plant-based (which it already is). For an extra indulgent touch, I sometimes mix in a spoonful of whole-grain mustard along with the Dijon to add texture and depth. Alternatively, roasting the potatoes instead of boiling adds a lovely caramelized flavor that contrasts beautifully with the sharp vinaigrette, though you might want to reduce the amount of oil in the dressing slightly to balance.

For a more Mediterranean flair, adding chopped sun-dried tomatoes, kalamata olives, or toasted pine nuts can really elevate the dish. If you enjoy a little heat, a pinch of red pepper flakes stirred into the vinaigrette never fails to wake up the palate. There are so many delicious ways to tailor this salad to your taste—it’s one I keep revisiting with small tweaks because it’s that adaptable!

Storage and Reheating

Storing Leftovers

Leftovers from this Potato & Green Bean Salad with Dijon Vinaigrette Recipe store beautifully in an airtight container in the refrigerator. I recommend using a glass or BPA-free plastic container with a tight seal to lock in freshness and prevent odors from other foods. The salad will keep well for up to 3 days, and because it’s dressed in vinaigrette rather than mayo, it maintains its texture and flavor without becoming soggy or unpleasant.

Freezing

Freezing this salad isn’t really ideal because potatoes and green beans tend to lose their firm texture once thawed. I don’t recommend freezing it if you want to enjoy the crispness and bite. However, if you feel compelled to freeze leftovers, try storing only the vinaigrette separately in a freezer-safe container for up to one month, then freshly toss it with refrigerated cooked potatoes and green beans when ready to serve.

Reheating

If you want to enjoy the salad warm, the best method is to gently reheat the potatoes and green beans in a skillet over low heat, stirring occasionally, until warmed through but not mushy. Then, toss them again with leftover vinaigrette or freshly whisked dressing to revive the flavors. Avoid reheating in the microwave as it can make the potatoes gummy and the beans too soft. For an even fresher flavor, I usually prefer to serve the salad chilled or at room temperature right out of the fridge.

FAQs

Can I use regular green beans instead of haricots verts?

Absolutely! Regular green beans work well in this salad. Just trim the ends and slice them into 2-inch pieces like the recipe suggests. The key is to blanch them just long enough to keep that fresh, crisp texture without overcooking.

What if I don’t have fresh herbs on hand?

If fresh herbs aren’t available, you can use dried herbs. Reduce the quantity to about one-third since dried herbs are more concentrated. Parsley, dill, or even a bit of oregano works nicely. Though fresh herbs add brightness, the dressing and capers ensure plenty of flavor.

Can I prepare this salad ahead of time?

You can prep most of this salad a few hours ahead, but I recommend tossing everything together just before serving to keep the potatoes intact and the green beans crisp. If you dress it too far in advance, the vinaigrette might start softening the veggies more than desired.

Is this salad suitable for meal prep lunches?

Yes, this salad refrigerates well and can be packed for lunches. Keep the salad chilled and enjoy it within 2 to 3 days. It’s a nutritious, satisfying option that travels nicely as long as it’s kept cool.

Can I add protein to make this a complete meal?

Definitely! This salad pairs wonderfully with grilled chicken, seared salmon, or even canned tuna for a quick boost of protein. Alternatively, adding chickpeas or toasted nuts can keep it vegetarian while making it heartier.

Conclusion

I hope you feel inspired to try this Potato & Green Bean Salad with Dijon Vinaigrette Recipe soon—it’s truly one of my favorite dishes to make when I want something that’s fresh, flavorful, and easy to prepare. It’s perfect for so many occasions, and I’m confident it will become a staple in your kitchen too. Enjoy the bright flavors and wonderful textures, and don’t forget to share it with someone you love!

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