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    Home » Garden To Table

    French Purple Potato Salad

    Published: Feb 9, 2021 · Modified: Aug 13, 2022 · 2 Comments

    Jump to Recipe Print Recipe Save Recipe Saved!
    This post contains affiliate links. As an Amazon Associate I earn from qualifying purchases.

    This easy French purple potato salad is based on Julia Child’s pommes de terre à l’huile, and is made with boiled potatoes and a mustard vinaigrette.

    purple potato salad in a serving bowl

    We’ve been ordering our groceries online this year.

    Sometimes it’s easy and perfect, occasionally it’s frustrating, and from time to time, the store surprises me with ingredients that I didn’t intend to order.

    A few weeks ago, the grocery store swapped my red potatoes for baby purple potatoes. It was an exciting swap, because purple potatoes are so fun!

    I knew these purple beauties would be perfect in a salad.

    This recipe is based on my favorite potato salad, Julia Child’s pommes de terre à l’huile from her book Mastering the Art of French Cooking, Volume I.

    This is not a mayonnaise-based potato salad. Instead, this version uses sliced boiled potatoes tossed in a mustard vinaigrette.

    Looking for more potato recipes? Try making French mashed potatoes, Boursin mashed potatoes, white sweet potato fries, loaded sweet potato fries and gratin Dauphinois.

    What’s the Deal with Purple Potatoes?

    Purple potatoes (sometimes called blue potatoes) are purple inside and out!

    These pretty little spuds are starchy (like a Russet potato), with a mild nutty flavor. Purple potatoes are generally somewhat small.

    Like other naturally purple and blue foods, they’re packed with healthy antioxidants.

    Do Purple Potatoes Stay Purple After Cooking?

    It depends on the variety.

    Many varieties of purple potatoes get even darker after cooking.

    As you can see in the photos, the purple potatoes I used were purple inside and out before cooking, but the inside turned an incredibly pale purple (almost white) after cooking.

    Sliced Purple Potatoes
    Sliced Purple Potatoes

    How to Make A French Potato Salad

    Boil the Purple Potatoes

    Start by slicing the potatoes.

    Because purple potatoes are starchy, they’ll fall apart if sliced too thinly. Slice them about a quarter-inch thick.

    Boil the potatoes until they’re just tender, and then strain the water away.

    Place the potatoes back in the pan (off-heat) and drizzle a little white wine or vegetable broth over the potatoes. Cover the pot and wait a moment or two for the potatoes to absorb the liquid.

    Add Wine to Cooked Potatoes
    Add Wine to Cooked Potatoes

    Make the Mustard Vinaigrette

    Whisk together a little mustard and wine vinegar.

    Whisk the Vinegar, Mustard + Salt
    Whisk the Vinegar, Mustard + Salt

    Slowly drizzle in olive oil, drop by drop, as you whisk constantly.

    Adding the oil gradually will help emulsify the oil, creating a silky vinaigrette.

    Whisk the Oil into the Dressing
    Whisk the Oil into the Dressing

    Toss the potatoes in the mustard dressing. Add some chopped green onion and toss again.

    Serve the salad right away, or put it in the fridge and serve it chilled later. This is the kind of low-pressure side dish that you can make ahead of time and there’s no need to reheat!

    purple potato salad in a serving bowl
    purple potato salad in a serving bowl
    Print Recipe Save Recipe Saved!
    5 from 1 vote

    French Purple Potato Salad

    This easy French purple potato salad is based on Julia Child's pommes de terre à l'huile, and is made with boiled potatoes and a mustard vinaigrette.
    Author: Sarah Trenalone
    Prep Time10 mins
    Cook Time10 mins
    Total Time20 mins
    Course: Side Dish
    Cuisine: French
    Diet: Gluten Free, Vegan, Vegetarian
    Servings: 4 people
    Calories: 191kcal
    Freezer Friendly?

    No

    Will It Keep?

    4 Days (Fridge)

    Prevent your screen from going dark

    Ingredients

    • 1 pound purple potatoes Do not use purple sweet potatoes
    • 2 tablespoons dry white wine Or use vegetable broth
    • 2 tablespoons white wine vinegar
    • 2 teaspoons Dijon mustard
    • ¼ teaspoon sea salt
    • 3 tablespoons olive oil
    • ¼ cup diced green onions or chives
    • torn fresh green herbs (such as basil or parsley), optional

    Instructions

    • Bring a large pot of heavily salted water to a boil.
      Scrub potatoes. Cut potatoes into slices about ¼-inch thick.
      Add potatoes to the boiling water, and boil until tender when pierced with a fork, about 8-10 minutes. Take care to remove them when they are just tender: if you over cook the potatoes they may fall apart in the salad.
      Sliced Purple Potatoes
    • Drain potatoes and return them to the pot (off-heat).
      Drizzle white wine over the potatoes and gently stir. Cover the pot for about 2 minutes, or until the potatoes have absorbed the wine.
      Add Wine to Cooked Potatoes
    • In a separate small bowl, whisk together the vinegar, mustard and sea salt.
      Add the oil drop by drop, whisking constantly as you pour.
      Gradually adding the oil will help emulsify the dressing, making it creamy instead of greasy. Avoid adding all the oil at once.
      Whisk the Oil into the Dressing
    • Pour dressing over the potatoes and toss gently to blend. Add the green onions or chives and toss again. Optionally, add fresh herbs.
      Serve salad warm or cold. Store leftovers in the fridge and eat within 3-4 days.
      purple potato salad in a serving bowl

    Notes

    This recipe is easily halved, doubled or tripled.

    Nutrition

    Calories: 191kcal (10%) | Carbohydrates: 21g (7%) | Protein: 3g (6%) | Fat: 11g (17%) | Saturated Fat: 1g (6%) | Sodium: 183mg (8%) | Potassium: 506mg (14%) | Fiber: 3g (13%) | Sugar: 1g (1%) | Vitamin A: 66IU (1%) | Vitamin C: 24mg (29%) | Calcium: 21mg (2%) | Iron: 1mg (6%)
    Tried this recipe?Leave a comment and rating below!
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    About Sarah Trenalone

    Sarah is the primary creator at Champagne Tastes. She's a photographer, food writer and traveler, and is certified in Backcountry Kitchen and Backcountry Navigation from the Colorado Outward Bound School and Identifying Wild Plants from Backpacker.

    Reader Interactions

    Comments

    All commentsQuestions
    1. Lisa Reilly

      May 21, 2022 at 5:26 pm

      Why not purple sweet potatoes?

      Reply
      • Alisha Trenalone

        May 22, 2022 at 3:39 pm

        You could try purple sweet potatoes, but they have a totally different flavor and cook time than the potatoes we tested for this recipe. If you try it with them let us know what you think!

        -Alisha at Champagne Tastes

        Reply

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    Hi, I'm Sarah! I'm a traveler who loves to eat.   Follow along to join me on my next adventure-- in food or on the road.

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