This potato salad is a quick and easy dish that you can whip up using your Instant Pot. It's perfect for picnics, barbecues, or as a side dish for any meal. The creamy mayonnaise and tangy mustard dressing, combined with crunchy celery and onion, make this salad a crowd-pleaser.
Most of the ingredients in this recipe are common pantry staples. However, if you don't usually keep celery or mayonnaise on hand, you might need to pick these up at the supermarket. Fresh celery adds a nice crunch, while mayonnaise is essential for the creamy texture of the salad.

Ingredients For Instant Pot Potato Salad Recipe
Potatoes: Peeled and cubed, these form the base of the salad.
Mayonnaise: Adds creaminess and richness to the dressing.
Mustard: Provides a tangy flavor that complements the mayonnaise.
Salt: Enhances the overall flavor of the salad.
Black pepper: Adds a bit of heat and depth to the dish.
Vinegar: Adds acidity and balances the flavors.
Celery: Adds a crunchy texture to the salad.
Onion: Provides a sharp, savory flavor.
Technique Tip for Perfect Potato Salad
When preparing the potatoes for this Instant Pot potato salad, make sure to cut them into uniform cubes. This ensures even cooking and prevents some pieces from becoming mushy while others remain undercooked. Additionally, after draining the potatoes, spread them out on a baking sheet to cool. This allows them to cool more quickly and evenly, preventing them from becoming too soft and helping them maintain their shape when mixed with the other ingredients.
Suggested Side Dishes
Alternative Ingredients
potatoes - Substitute with cauliflower florets: Cauliflower provides a similar texture and can be a lower-carb option.
mayonnaise - Substitute with Greek yogurt: Greek yogurt offers a tangy flavor and is a healthier alternative with more protein.
mustard - Substitute with Dijon mustard: Dijon mustard has a more refined flavor and can add a bit of sophistication to the dish.
salt - Substitute with sea salt: Sea salt can provide a different mineral content and a slightly different flavor profile.
black pepper - Substitute with white pepper: White pepper has a milder taste and can be less visually noticeable in the salad.
vinegar - Substitute with lemon juice: Lemon juice adds a fresh, citrusy tang that can brighten up the flavors.
celery - Substitute with cucumber: Cucumber offers a similar crunch and a refreshing taste.
onion - Substitute with shallots: Shallots provide a milder, sweeter flavor compared to regular onions.
Alternative Recipes Similar to This Potato Salad
How to Store or Freeze Your Potato Salad
To store your potato salad, transfer it to an airtight container. Ensure the lid is tightly sealed to maintain freshness and prevent any odors from the refrigerator from seeping in.
Place the container in the refrigerator. The potato salad will stay fresh for up to 3-5 days. For the best flavor and texture, consume it within this timeframe.
If you plan to freeze the potato salad, be aware that the texture may change slightly upon thawing. The mayonnaise can separate, and the potatoes might become a bit mushy. However, if you still wish to freeze it, follow these steps:
Transfer the potato salad to a freezer-safe container or a heavy-duty freezer bag. Remove as much air as possible to prevent freezer burn.
Label the container or bag with the date to keep track of its storage time. The potato salad can be frozen for up to 1 month.
When ready to use, thaw the potato salad in the refrigerator overnight. Stir well before serving to reincorporate any separated ingredients.
For a fresher taste after freezing, consider adding a bit more mayonnaise or mustard to refresh the salad. You can also mix in some freshly chopped celery or onion to enhance the crunch and flavor.
Avoid leaving the potato salad at room temperature for more than 2 hours, as this can promote bacterial growth and spoilage. Always return it to the refrigerator promptly after serving.
How to Reheat Leftovers
For a quick and easy method, use the microwave. Place the potato salad in a microwave-safe dish, cover it with a microwave-safe lid or plastic wrap, and heat on medium power for 1-2 minutes. Stir halfway through to ensure even heating.
If you prefer a more even and gentle reheating, use the stovetop. Place the potato salad in a non-stick skillet over medium-low heat. Stir occasionally until warmed through, which should take about 5-7 minutes.
For a slightly different texture, consider reheating in the oven. Preheat your oven to 350°F (175°C). Spread the potato salad evenly in an oven-safe dish, cover with aluminum foil, and bake for about 15-20 minutes or until heated through.
If you have an air fryer, you can use it to reheat the potato salad. Preheat the air fryer to 350°F (175°C). Place the potato salad in an air fryer-safe dish and heat for 5-7 minutes, shaking the basket halfway through to ensure even heating.
For a unique twist, consider reheating the potato salad on a grill. Wrap the potato salad in aluminum foil and place it on a preheated grill over medium heat. Grill for about 10-15 minutes, turning occasionally, until warmed through.
Essential Tools for Making Potato Salad
Instant Pot: Used to cook the potatoes quickly and efficiently under high pressure.
Measuring cup: Used to measure 1 cup of water, 1 cup of mayonnaise, 1 cup of chopped celery, and 1 cup of chopped onion accurately.
Peeler: Used to peel the potatoes before cubing them.
Knife: Used to chop the celery and onion, and to cube the potatoes.
Cutting board: Provides a safe surface for chopping and cubing the vegetables.
Mixing bowl: Used to combine the mayonnaise, mustard, salt, pepper, and vinegar, and to mix in the cooled potatoes, celery, and onion.
Spatula: Used to mix the ingredients together gently without breaking the potatoes.
Measuring spoons: Used to measure 1 tablespoon of mustard, 1 teaspoon of salt, and 1 teaspoon of black pepper accurately.
Colander: Used to drain the potatoes after they are cooked.
Refrigerator: Used to chill the potato salad for at least 1 hour before serving.
Time-Saving Tips for Making Potato Salad
Prep ingredients in advance: Peel and cube potatoes, chop celery and onion the night before to save time.
Use pre-chopped veggies: Purchase pre-chopped celery and onion to cut down on prep time.
Quick cooling: Spread potatoes on a baking sheet and place in the fridge to cool faster.
Instant pot multitasking: While the potatoes cook, mix the mayonnaise, mustard, salt, pepper, and vinegar.
Batch cooking: Double the recipe and store extra potato salad for future meals.

Instant Pot Potato Salad Recipe
Ingredients
Main Ingredients
- 2 pounds potatoes peeled and cubed
- 1 cup mayonnaise
- 1 tablespoon mustard
- 1 teaspoon salt
- 1 teaspoon black pepper
- 2 tablespoon vinegar
- 1 cup celery chopped
- 1 cup onion chopped
Instructions
- Add cubed potatoes to the Instant Pot with 1 cup of water. Set to manual high pressure for 4 minutes. Quick release the pressure.
- Drain the potatoes and let them cool.
- In a mixing bowl, combine mayonnaise, mustard, salt, pepper, and vinegar.
- Add cooled potatoes, celery, and onion to the bowl. Mix well.
- Chill in the refrigerator for at least 1 hour before serving.
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