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Creamy Mustard Slow Cooker Potato Salad


Creamy Mustard Slow Cooker Potato Salad is a delicious and convenient side dish perfect for any meal, especially during the summer. This recipe combines tender potatoes with a creamy mustard dressing, creating a flavorful and satisfying salad. The slow cooker makes the process simple, freeing up your time for other activities. In this blog post, we’ll guide you through the step-by-step process of making Creamy Mustard Slow Cooker Potato Salad, provide helpful cooking notes, and offer variations to suit different tastes and dietary preferences.



  • 3 pounds potatoes, peeled and cut into 1-inch pieces
  • 1 cup chicken or vegetable stock
  • 1 medium onion, diced
  • 2 celery stalks, finely chopped
  • 1 cup mayonnaise
  • 3 tablespoons Dijon mustard
  • 3 tablespoons whole-grain mustard
  • 2 tablespoons apple cider vinegar
  • 1 teaspoon sugar
  • 1/4 teaspoon paprika
  • 2 tablespoons fresh dill, chopped
  • Salt and black pepper to taste
  • Optional garnish: chopped chives or green onions


Step 1: Cook the Potatoes

  1. Prepare the Slow Cooker:
    • Lightly grease the inside of your slow cooker with cooking spray or a small amount of oil to prevent sticking.
  2. Add Potatoes and Stock:
    • Place the peeled and cut potatoes in the slow cooker.
    • Pour the chicken or vegetable stock over the potatoes.
  3. Cook on Low:
    • Cover the slow cooker with the lid and cook on low for 4-5 hours, or until the potatoes are tender but not mushy.

Step 2: Prepare the Dressing

  1. Mix the Dressing Ingredients:
    • In a large mixing bowl, combine the mayonnaise, Dijon mustard, whole-grain mustard, apple cider vinegar, sugar, and paprika.
    • Whisk until the ingredients are well blended and smooth.

Step 3: Combine and Chill

  1. Drain and Cool Potatoes:
    • Once the potatoes are cooked, drain any excess liquid from the slow cooker and allow the potatoes to cool slightly.
  2. Mix with Dressing:
    • Add the diced onion and chopped celery to the dressing mixture.
    • Gently fold in the cooked potatoes until all the ingredients are evenly coated.
  3. Add Fresh Dill:
    • Stir in the chopped fresh dill, then season with salt and black pepper to taste.

Step 4: Chill and Serve

  1. Chill the Salad:
    • Transfer the potato salad to a large serving bowl, cover, and refrigerate for at least 2 hours or overnight to allow the flavors to meld together.
  2. Garnish and Serve:
    • Just before serving, garnish with chopped chives or green onions if desired.
    • Serve the Creamy Mustard Slow Cooker Potato Salad cold as a side dish with your favorite main courses.

Cook Notes and Variations

Cook Notes:

  • Potatoes: Waxy potatoes such as red potatoes or Yukon Gold hold their shape well and are ideal for potato salad.
  • Stock: Using chicken or vegetable stock to cook the potatoes adds extra flavor, but you can also use water if preferred.


  • Bacon Potato Salad:
    • Add 1/2 cup of cooked and crumbled bacon to the salad for a smoky flavor.
  • Vegan Version:
    • Use a vegan mayonnaise and vegetable stock to make the recipe suitable for a vegan diet.
  • Spicy Mustard Potato Salad:
    • Add 1-2 tablespoons of Sriracha or hot sauce to the dressing for a spicy kick.
  • Herbed Potato Salad:
    • Mix in additional fresh herbs such as parsley, tarragon, or chives for extra flavor.

Frequently Asked Questions (FAQs)

1. Can I use different types of mustard?

Yes, you can experiment with different types of mustard such as spicy brown mustard or honey mustard to suit your taste preferences.


2. How do I store leftovers?

Store any leftover potato salad in an airtight container in the refrigerator for up to 4 days.

3. Can I make this potato salad ahead of time?

Yes, this potato salad is perfect for making ahead. Prepare it a day before serving to allow the flavors to develop fully.

4. What can I serve with Creamy Mustard Slow Cooker Potato Salad?

This potato salad pairs well with grilled meats, sandwiches, burgers, or as part of a picnic or barbecue spread.

5. Can I add other vegetables to this salad?

Yes, you can add other vegetables such as bell peppers, peas, or carrots for additional color and texture.

Creamy Mustard Slow Cooker Potato Salad is a flavorful and easy side dish that’s perfect for any occasion. With its creamy mustard dressing and tender potatoes, this salad is sure to be a hit at your next meal or gathering. Whether you’re making it for a family dinner, picnic, or barbecue, this recipe is simple to follow and full of delicious flavors. Give this Creamy Mustard Slow Cooker Potato Salad a try and enjoy a tasty and satisfying side dish. Happy cooking!