This potato salad is a delightful and easy-to-make dish that can be prepared quickly using an Instant Pot. Perfect for picnics, barbecues, or as a side dish for any meal, this recipe combines creamy mayonnaise with crunchy celery and red onion to create a flavorful and satisfying salad.
If you don't usually keep mayonnaise or mustard in your pantry, you'll need to pick these up at the supermarket. Celery and red onion might also be items you don't always have on hand, so be sure to grab those as well. The rest of the ingredients are fairly common and should be easy to find.

Ingredients for Instant Pot Potato Salad Recipe
Potatoes: The base of the salad, providing a hearty and starchy component.
Mayonnaise: Adds creaminess and a rich flavor to the salad.
Mustard: Provides a tangy and slightly spicy kick.
Celery: Adds a crunchy texture and fresh flavor.
Red onion: Offers a sharp and slightly sweet taste.
Salt: Enhances the overall flavor of the salad.
Black pepper: Adds a bit of heat and depth to the dish.
Vinegar: Provides acidity to balance the creaminess of the mayonnaise.
Technique Tip for This Recipe
When preparing potatoes for this potato salad, ensure they are cut into uniform cubes to guarantee even cooking. After cooking, allow the potatoes to cool completely before mixing with the mayonnaise and other ingredients. This prevents the mayonnaise from becoming too runny and helps the flavors meld better. Additionally, for a more vibrant flavor, consider using a mix of mustard types, such as Dijon and yellow, to add depth to the dish.
Suggested Side Dishes
Alternative Ingredients
potatoes - Substitute with cauliflower florets: Cauliflower has a similar texture when cooked and can be a lower-carb alternative.
mayonnaise - Substitute with Greek yogurt: Greek yogurt provides a creamy texture and adds a tangy flavor while being lower in fat.
mustard - Substitute with Dijon mustard: Dijon mustard offers a more refined and slightly spicier flavor compared to regular mustard.
celery - Substitute with cucumber: Cucumber adds a refreshing crunch and a mild flavor similar to celery.
red onion - Substitute with green onions: Green onions provide a milder onion flavor and a pop of color.
salt - Substitute with soy sauce: Soy sauce can add a savory depth of flavor and a bit of umami.
black pepper - Substitute with white pepper: White pepper has a similar heat but a slightly different, more earthy flavor.
vinegar - Substitute with lemon juice: Lemon juice adds acidity and brightness, similar to vinegar, but with a citrus note.
Other Alternative Recipes Similar to This Potato Salad
How To Store / Freeze This Potato Salad
- To keep your potato salad fresh, transfer it to an airtight container. This helps maintain its flavor and texture.
- Store the container in the refrigerator. The potato salad will stay good for up to 3-4 days.
- If you plan to freeze the potato salad, be aware that the mayonnaise might separate and the texture of the potatoes could change. It's generally not recommended to freeze mayonnaise-based salads.
- For best results, consider freezing the potatoes separately. After cooking and cooling, place them in a freezer-safe bag or container. They can be frozen for up to 3 months.
- When ready to use, thaw the potatoes in the refrigerator overnight. Then, mix them with fresh mayonnaise, mustard, celery, red onion, salt, pepper, and vinegar.
- If you notice any changes in smell, color, or texture, it's best to discard the potato salad to avoid any risk of foodborne illness.
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, opt for the stovetop. Transfer the potato salad to a non-stick skillet and heat over medium-low heat. Stir occasionally until warmed through, about 5-7 minutes.
For a slightly different texture, consider using the oven. Preheat your oven to 350°F (175°C). Spread the potato salad in an even layer on a baking dish, cover with aluminum foil, and bake for 15-20 minutes or until heated through.
Another method is to use a steamer basket. Place the potato salad in a heatproof dish that fits into your steamer basket. Steam over boiling water for about 5-10 minutes until warmed through. This method helps retain moisture and prevents the salad from drying out.
Essential Tools for This Recipe
Instant Pot: A multi-functional electric pressure cooker used to cook the potatoes quickly and efficiently.
Measuring cups: Used to measure the mayonnaise, mustard, and vinegar accurately.
Knife: Essential for peeling and cubing the potatoes, as well as chopping the celery and red onion.
Cutting board: Provides a safe and stable surface for chopping vegetables.
Mixing bowl: Used to combine the mayonnaise, mustard, celery, red onion, salt, pepper, and vinegar with the cooled potatoes.
Spatula: Helps in mixing the ingredients together evenly without mashing the potatoes.
Colander: Used to drain the cooked potatoes after they are done in the Instant Pot.
Refrigerator: Necessary for chilling the potato salad for at least an hour before serving.
Measuring spoons: Used to measure the salt, pepper, and mustard accurately.
How to Save Time on Making This Recipe
Prep ingredients ahead: Chop celery and red onion the night before to save time on the day of cooking.
Use pre-peeled potatoes: Purchase pre-peeled and cubed potatoes to skip the peeling and cutting steps.
Quick cooling: Spread the cooked potatoes on a baking sheet to cool them faster.
Instant pot efficiency: Utilize the instant pot's timer function to have the potatoes ready when you need them.
Mix dressing in advance: Prepare the mayonnaise mixture ahead of time and store it in the fridge.

Instant Pot Potato Salad Recipe
Ingredients
Main Ingredients
- 2 pounds potatoes peeled and cubed
- 1 cup mayonnaise
- 2 tablespoons mustard
- 1 cup celery chopped
- 1 cup red onion chopped
- 1 teaspoon salt
- 1 teaspoon black pepper
- 2 tablespoons vinegar
Instructions
- 1. Place the cubed potatoes in the Instant Pot and add enough water to cover them.
- 2. Close the lid, set the valve to sealing, and cook on Manual high pressure for 4 minutes.
- 3. Quick release the pressure and drain the potatoes. Let them cool.
- 4. In a mixing bowl, combine mayonnaise, mustard, celery, red onion, salt, pepper, and vinegar.
- 5. Add the cooled potatoes to the bowl and mix until well combined.
- 6. Chill in the refrigerator for at least an hour before serving.
Nutritional Value
Keywords
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