Culinary Explorer

A cooking platform built around craft, culture, and the stories behind what we eat.

Discover Culinary Explorer
Yellow Mustard Potato Salad

Yellow Mustard Potato Salad

Created by Chef Remy

Creamy, tangy, and bold with two kinds of mustard and a whisper of cayenne, this is the potato salad that disappears first at every church potluck and family reunion in Louisiana.

Salads
Southern
BBQ
Potluck
Fourth of July
30 min
Active Time
25 min cook4 hr total
Yield10 servings

Good potato salad is not about the potatoes. It is about how you treat them. My grandmother Evangeline taught me this on a sweltering July afternoon when I was barely tall enough to see over the counter. She had me taste the cooking water before the potatoes went in. Salt it like the Gulf, she said. That is your foundation.

The mustard matters too. Yellow mustard gives you that classic picnic flavor, bright and tangy, the taste of backyard barbecues and Fourth of July. But I add a spoonful of Creole mustard because we are in Louisiana, and everything gets a little more interesting here. The whole grain seeds add texture and the vinegar bite cuts through the richness of the mayonnaise.

At Lagniappe, we serve this alongside our blackened chicken and smoked boudin, and folks ask for the recipe every single time. The secret is layering flavor at every step: salt in the water, vinegar on the warm potatoes, egg yolks mashed into the dressing. By the time you take your first bite, you have built something with depth. Not just cold potatoes in sauce, but a dish with soul.

The technique, the tradition, and the story behind every dish.

Discover Culinary Explorer

Ingredients

Yukon Gold potatoes

Quantity

3 pounds

peeled and cut into 1-inch cubes

kosher salt

Quantity

1 tablespoon plus 1 teaspoon

divided

large eggs

Quantity

6

mayonnaise

Quantity

1 cup

yellow mustard

Quantity

1/3 cup

Creole mustard

Quantity

2 tablespoons

apple cider vinegar

Quantity

1 tablespoon

sugar

Quantity

1 teaspoon

cayenne pepper

Quantity

1/2 teaspoon

black pepper

Quantity

1/2 teaspoon

freshly ground

garlic powder

Quantity

1/4 teaspoon

celery

Quantity

1 cup (about 3 stalks)

finely diced

sweet onion

Quantity

1/2 cup

finely diced

sweet pickle relish

Quantity

1/4 cup

fresh parsley

Quantity

2 tablespoons

chopped

paprika

Quantity

for garnish

Equipment Needed

  • Large pot for boiling potatoes
  • Medium saucepan for eggs
  • Sheet pan for cooling potatoes
  • Large mixing bowl
  • Rubber spatula

Instructions

  1. 1

    Season the cooking water

    Fill a large pot with cold water and add one tablespoon of kosher salt. The water should taste like the sea. This is your first layer of seasoning, and it is the most important one. Potatoes absorb salt as they cook, building flavor from the inside out. Unsalted water gives you bland potatoes that no amount of dressing can save.

    Taste your cooking water before adding the potatoes. If it does not taste pleasantly salty, add more. That's the bayou way.
  2. 2

    Cook the potatoes

    Add the cubed potatoes to the cold salted water. Starting in cold water is essential because it allows the potatoes to cook evenly from edge to center. Bring to a boil over high heat, then reduce to a steady simmer. Cook for 12 to 15 minutes until fork-tender but not falling apart. You want potatoes that hold their shape when dressed. A fork should slide in with gentle resistance, not mush.

  3. 3

    Cook the eggs

    While potatoes simmer, place eggs in a single layer in a saucepan and cover with cold water by one inch. Bring to a rolling boil, then immediately remove from heat and cover. Let stand exactly 12 minutes. Transfer eggs to an ice bath for 5 minutes. This method gives you creamy yolks with no gray-green ring, every time.

    Older eggs peel easier than fresh ones. If your eggs are from the farmers market this week, add a teaspoon of baking soda to the cooking water.
  4. 4

    Drain and season warm potatoes

    Drain the potatoes thoroughly and spread them in a single layer on a sheet pan to cool. While still warm, sprinkle with the remaining teaspoon of salt and one tablespoon of apple cider vinegar. Toss gently. Warm potatoes absorb seasoning like a sponge. This is your second layer of flavor. Let them cool for about 15 minutes until they stop steaming but are still slightly warm to the touch.

  5. 5

    Build the dressing

    In a large mixing bowl, whisk together the mayonnaise, yellow mustard, and Creole mustard until smooth and sunny yellow. The two mustards work together: yellow brings that classic tangy brightness, Creole adds depth and a little heat. Add the sugar, cayenne, black pepper, and garlic powder. Whisk again and taste. Adjust the cayenne if you want more warmth. The dressing should taste bold on its own because the potatoes will mellow everything.

  6. 6

    Prep the eggs and vegetables

    Peel the eggs and separate yolks from whites. Dice the whites into small pieces and set aside. Mash the yolks with a fork and stir them into the dressing. This is an old Louisiana trick: the yolks make the dressing richer and creamier without adding more mayonnaise. Add the diced celery, sweet onion, and pickle relish to the bowl.

  7. 7

    Combine and fold

    Add the warm potatoes and diced egg whites to the dressing. Fold gently with a rubber spatula, turning from the bottom to coat every piece without mashing. Some potatoes will break slightly and thicken the dressing. That is fine. You want variety: some cubes holding firm, some creating creaminess. Fold in the fresh parsley.

    Never stir potato salad like you are making biscuit dough. Gentle folding preserves texture. Aggressive mixing makes paste.
  8. 8

    Chill and finish

    Cover and refrigerate for at least 3 hours, overnight if you can manage it. Cold potato salad needs time for the flavors to marry and the dressing to set. Before serving, taste and adjust salt. Sprinkle generously with paprika for color. Serve cold, straight from the refrigerator. This salad feeds a crowd and earns you a reputation.

Chef Tips

  • Yukon Golds hold their shape better than russets and have a naturally buttery flavor. Do not substitute russets unless you want mashed potato salad.
  • Make this the day before your gathering. Potato salad improves overnight as the flavors come together and the dressing thickens.
  • If you like more heat, bump the cayenne to a full teaspoon. Louisiana folks tend to like it spicy, but taste as you go and find your own comfort level.
  • Sweet pickle relish is traditional, but dill relish works if that is your preference. Just know it changes the character from Southern to something else entirely.
  • Keep it cold. Mayonnaise-based salads should not sit out in the sun for more than two hours. At Lagniappe, we serve it in a bowl nested in ice at outdoor events.

Advance Preparation

  • Potato salad can be made up to 3 days ahead and stored covered in the refrigerator. The flavor improves with time.
  • Hard-boiled eggs can be prepared up to 5 days in advance and kept refrigerated in their shells.
  • The dressing can be made a day ahead and refrigerated. Bring to room temperature before folding with warm potatoes.

Frequently Asked Questions

Nutrition Information

1 serving (about 215g)

Calories
320 calories
Total Fat
20 g
Saturated Fat
4 g
Trans Fat
0 g
Unsaturated Fat
15 g
Cholesterol
120 mg
Sodium
610 mg
Total Carbohydrates
28 g
Dietary Fiber
3 g
Sugars
3 g
Protein
7 g

Note: Chef personas and recipes are created with AI assistance. Cook with care: follow safe food-handling practices, check doneness with a thermometer when needed, and adapt for allergies and your kitchen.

Where cooking meets culture.

Culinary guides, cultural storytelling, and the editorial depth that makes cooking meaningful.

Discover Culinary Explorer

More from Chef Remy's Salads

Browse the full collection