The famous Costco Potato Salad Recipe brings warehouse-style flavor to your kitchen.
This creamy, satisfying side dish captures the exact taste that makes Costco’s deli version so popular.
With simple ingredients and easy steps, you can recreate this beloved recipe at home.
Making your own Costco Potato Salad Recipe saves money and lets you control ingredients.
The rich, tangy dressing combined with perfectly cooked potatoes creates an irresistible combination.
This recipe feeds crowds and works perfectly for barbecues, picnics, and family gatherings.
When I First Introduced To
I discovered this Costco Potato Salad Recipe during a family barbecue last summer.
My aunt brought a container from Costco, and everyone raved about its creamy texture and balanced flavors.
The combination of tender potatoes with that signature tangy dressing was unforgettable. I knew I had to recreate it at home for future gatherings.

Equipment List
- Large pot for boiling
- Colander for draining
- Large mixing bowl
- Sharp knife
- Cutting board
- Measuring cups
- Measuring spoons
- Wooden spoon
Ingredients List
- 3 pounds red potatoes
- 6 hard-boiled eggs
- 1 cup mayonnaise
- 2 tablespoons yellow mustard
- 1 tablespoon white vinegar
- 1 teaspoon sugar
- 1 teaspoon salt
- 1/2 teaspoon black pepper
- 1/2 cup diced celery
- 1/4 cup chopped green onions
Step-by-Step Preparation
- Wash potatoes thoroughly under cold water.
- Cut potatoes into 1-inch cubes.
- Boil potatoes for 15-20 minutes until tender.
- Drain potatoes and cool completely.
- Peel and chop hard-boiled eggs.
- Mix mayonnaise, mustard, vinegar in bowl.
- Add sugar, salt, pepper to mixture.
- Combine potatoes with dressing gently.
- Fold in eggs, celery, green onions.
- Refrigerate for 2 hours before serving.
Recipe Tips
- Use red potatoes for the best texture and flavor
- Don’t overcook potatoes to avoid mushy consistency
- Cool potatoes completely before adding dressing
- Add dressing gradually to prevent breaking potatoes
- Chill overnight for enhanced flavors to develop
What to Serve With Costco Potato Salad Recipe
- Grilled Burgers: The creamy potato salad perfectly complements juicy beef patties and provides a cooling contrast to hot grilled meat.
- BBQ Chicken: This Costco Potato Salad Recipe pairs wonderfully with smoky barbecued chicken, balancing the rich flavors.
- Fresh Corn: Sweet corn on the cob creates a classic summer combination with this creamy, tangy potato salad.
Conclusion
This Costco Potato Salad Recipe delivers authentic warehouse-style taste at home.
With simple ingredients and easy preparation, you’ll have a crowd-pleasing side dish ready for any occasion.
The creamy texture and balanced flavors make this recipe a guaranteed hit at your next gathering.
More Amazing Recipes
- Fridheimar Tomato Soup Recipe
- Texadelphia Mustard Blend Recipe
- Brookville Hotel Fried Chicken Recipe
- Side Street Inn Pork Chops Recipe

Costco Potato Salad Recipe
Equipment
- Large pot for boiling
- Colander for draining
- Large mixing bowl
- Sharp knife
- Cutting board
- Measuring cups
- Measuring spoons
- Wooden spoon
Ingredients
- 3 pounds red potatoes
- 6 hard-boiled eggs
- 1 cup mayonnaise
- 2 tablespoons yellow mustard
- 1 tablespoon white vinegar
- 1 teaspoon sugar
- 1 teaspoon salt
- 1/2 teaspoon black pepper
- 1/2 cup diced celery
- 1/4 cup chopped green onions
Instructions
- Wash potatoes thoroughly under cold water.
- Cut potatoes into 1-inch cubes.
- Boil potatoes for 15-20 minutes until tender.
- Drain potatoes and cool completely.
- Peel and chop hard-boiled eggs.
- Mix mayonnaise, mustard, vinegar in bowl.
- Add sugar, salt, pepper to mixture.
- Combine potatoes with dressing gently.
- Fold in eggs, celery, green onions.
- Refrigerate for 2 hours before serving.
Notes
- Use red potatoes for the best texture and flavor
- Don’t overcook potatoes to avoid mushy consistency
- Cool potatoes completely before adding dressing
- Add dressing gradually to prevent breaking potatoes
- Chill overnight for enhanced flavors to develop













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