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Creamy green bean potato salad served in a bowl.

Creamy Green Bean Potato Salad

A bright and tangy potato salad featuring creamy dressing, green beans, and red onion, perfect for picnics and potlucks.
Prep Time 15 minutes
Cook Time 15 minutes
Total Time 30 minutes
Course Side Dish
Cuisine American
Servings 6 servings
Calories 250 kcal

Ingredients
  

Vegetables

  • 1 pound green beans, trimmed
  • 1 pound potatoes, diced
  • 1/2 cup red onion, chopped

Sauce

  • 1/2 cup mayonnaise
  • 1 tablespoon Dijon mustard
  • 1 tablespoon apple cider vinegar

Seasoning & Toppings

  • Salt and pepper to taste
  • Optional: chopped fresh herbs (like dill or parsley)

Instructions
 

Preparation

  • Boil the potatoes in salted water until tender, about 10–15 minutes.
  • In the last 5 minutes of cooking, add the green beans to the pot so they blanch with the potatoes.
  • Drain the vegetables and let them cool slightly until just warm or room temperature.
  • In a large bowl, whisk together mayonnaise, Dijon mustard, apple cider vinegar, salt, and pepper.
  • Add the cooled potatoes, green beans, and red onion to the bowl and toss gently to combine.
  • Taste and adjust seasoning if necessary, then sprinkle with fresh herbs before serving.

Notes

Store in an airtight container in the fridge for up to 3 days. For a hearty picnic plate, serve with a side of creamy scalloped potatoes for extra comfort.
Keyword Creamy Dressing, green beans, Make-Ahead Side, Picnic Food, Potato Salad