Make the perfect creamy red onion potato salad with tender potatoes, crisp red onions, and a rich, tangy dressing. This easy step-by-step recipe is ideal for picnics, barbecues, potlucks, and family meals.
Creamy Red Onion Potato Salad: A Classic Side Dish with Bold Flavor
Creamy red onion potato salad is a timeless favorite that combines tender potatoes with crunchy red onions and a smooth, flavorful dressing. The natural sweetness and slight sharpness of red onions add depth and freshness, while the creamy dressing ties everything together beautifully.
Whether served alongside grilled meats, sandwiches, or picnic fare, this potato salad is always a crowd-pleaser. It’s simple to prepare, can be made ahead of time, and tastes even better after the flavors have had time to meld.
Why You’ll Love This Recipe
- Rich, creamy texture
- Fresh crunch from red onions
- Easy to prepare with everyday ingredients
- Perfect for gatherings and meal prep
- Delicious served chilled
Recipe Information
- Prep Time: 15 minutes
- Cook Time: 15 minutes
- Chilling Time: 1 hour
- Total Time: 1 hour 30 minutes
- Servings: 6
Ingredients
For the Salad
- 2 pounds (900 g) Yukon Gold or red potatoes
- 1 medium red onion, finely sliced
- 2 celery stalks, finely chopped
- 2 tablespoons chopped fresh parsley
- 2 hard-boiled eggs, chopped (optional)
For the Creamy Dressing
- ¾ cup mayonnaise
- ¼ cup sour cream
- 1 tablespoon Dijon mustard
- 1 tablespoon apple cider vinegar
- 1 teaspoon sugar
- ½ teaspoon salt
- ¼ teaspoon black pepper
- ¼ teaspoon paprika
Equipment Needed
- Large pot
- Mixing bowls
- Colander
- Sharp knife
- Wooden spoon or spatula
Step-by-Step Directions
Step 1: Cook the Potatoes
Wash the potatoes thoroughly.
Cut larger potatoes into evenly sized chunks while leaving smaller ones whole.
Place them in a large pot and cover with cold water.
Add a generous pinch of salt.
Bring to a boil over medium-high heat.
Cook for 12–15 minutes, or until the potatoes are fork-tender but not falling apart.
Step 2: Drain and Cool
Drain the potatoes in a colander.
Allow them to cool for about 10–15 minutes.
The potatoes should still be slightly warm when mixed with the dressing, as this helps absorb flavor.
Step 3: Prepare the Dressing
In a large mixing bowl, combine:
- Mayonnaise
- Sour cream
- Dijon mustard
- Apple cider vinegar
- Sugar
- Salt
- Black pepper
- Paprika
Whisk until smooth and creamy.
Taste and adjust seasoning if desired.
Step 4: Prepare the Vegetables
Thinly slice the red onion.
Finely chop the celery and parsley.
If using eggs, peel and chop them into small pieces.
Step 5: Combine the Salad
Add the slightly cooled potatoes to the bowl with the dressing.
Gently fold until all the potatoes are evenly coated.
Add the sliced red onion, celery, parsley, and chopped eggs.
Mix carefully to avoid breaking the potatoes too much.
Step 6: Chill the Salad
Cover the bowl with plastic wrap or a lid.
Refrigerate for at least 1 hour.
This resting time allows the flavors to blend and develop.
Step 7: Final Garnish
Before serving, stir the salad gently.
Sprinkle with extra parsley and a light dusting of paprika for color and flavor.
Serve chilled.
Serving Suggestions
Creamy red onion potato salad pairs perfectly with:
- Grilled chicken
- Burgers
- Barbecue ribs
- Roast beef sandwiches
- Fried chicken
- Fresh green salads
It also makes an excellent addition to picnics, potlucks, and holiday gatherings.
Storage Tips
Refrigerator
Store in an airtight container for up to 4 days.
Do Not Freeze
Freezing is not recommended, as the mayonnaise-based dressing may separate and become watery when thawed.
Tips for Success
- Use waxy potatoes such as Yukon Gold or red potatoes for the best texture.
- Add dressing while the potatoes are still slightly warm for maximum flavor absorption.
- Soak sliced red onions in cold water for 10 minutes if you prefer a milder onion flavor.
- Chill thoroughly before serving for the best taste and texture.
- Avoid overmixing to keep the potatoes intact.
Variations
Bacon Potato Salad
Add ½ cup cooked, crumbled bacon for a smoky flavor.
Herb Potato Salad
Include fresh dill, chives, or green onions for extra freshness.
Tangy Version
Increase the Dijon mustard and vinegar slightly for a brighter, more robust flavor.
Extra Crunch
Add diced pickles or cucumber for additional texture.
Final Thoughts
Creamy red onion potato salad is a simple yet flavorful side dish that never goes out of style. With tender potatoes, crisp red onions, and a rich, tangy dressing, it delivers the perfect balance of texture and flavor. Whether you’re preparing it for a summer barbecue, family dinner, or special occasion, this classic potato salad is sure to become a favorite at your table.