This mashed potato salad is a delightful twist on the classic potato salad, combining the creamy texture of mashed potatoes with the tangy flavors of mayonnaise, sour cream, and mustard. It's a perfect side dish for any gathering, offering a comforting and flavorful experience that will leave your guests asking for more.
While most of the ingredients for this mashed potato salad are common pantry staples, you might need to pick up sour cream and green onions if they aren't already in your kitchen. Sour cream adds a rich, tangy flavor, while green onions provide a fresh, crisp contrast to the creamy potatoes. Make sure to check the dairy and produce sections of your supermarket.

Ingredients For Mashed Potato Salad Recipe
Potatoes: The base of the salad, providing a creamy and starchy texture.
Mayonnaise: Adds creaminess and a slight tang to the salad.
Sour cream: Enhances the creaminess and adds a tangy flavor.
Mustard: Brings a sharp, tangy taste that balances the richness of the mayonnaise and sour cream.
Salt: Enhances the overall flavor of the dish.
Black pepper: Adds a touch of heat and depth to the flavor.
Green onions: Provide a fresh, crisp contrast to the creamy potatoes.
Technique Tip for This Recipe
For a creamier texture, consider using a potato ricer or food mill to mash the potatoes. This will help eliminate lumps and give your mashed potato salad a smoother consistency.
Suggested Side Dishes
Alternative Ingredients
potatoes - Substitute with cauliflower: Cauliflower can be steamed and mashed to mimic the texture of potatoes, offering a lower-carb alternative.
mayonnaise - Substitute with Greek yogurt: Greek yogurt provides a creamy texture similar to mayonnaise but with added protein and fewer calories.
sour cream - Substitute with creme fraiche: Creme fraiche has a similar tangy flavor and creamy consistency, making it a good alternative to sour cream.
mustard - Substitute with Dijon mustard: Dijon mustard offers a more refined and slightly spicier flavor compared to regular mustard.
salt - Substitute with sea salt: Sea salt can provide a more nuanced flavor and is often less processed than table salt.
freshly ground black pepper - Substitute with white pepper: White pepper has a milder flavor and can be used to maintain a uniform color in the salad.
green onions - Substitute with chives: Chives offer a similar mild onion flavor and can add a fresh, green element to the salad.
Other Alternative Recipes
How To Store / Freeze This Dish
- Allow the mashed potato salad to cool completely before storing. This helps to prevent condensation, which can make the salad watery.
- Transfer the mashed potato salad to an airtight container. Ensure the lid is tightly sealed to maintain freshness and prevent any odors from the refrigerator from seeping in.
- Store the container in the refrigerator. The mashed potato salad can be kept for up to 3-4 days. Always check for any signs of spoilage before consuming.
- For longer storage, consider freezing the mashed potato salad. Place the salad in a freezer-safe container or heavy-duty freezer bag. Remove as much air as possible to prevent freezer burn.
- Label the container or bag with the date of freezing. This helps you keep track of how long the mashed potato salad has been stored.
- When ready to use, thaw the mashed potato salad in the refrigerator overnight. Avoid thawing at room temperature to prevent bacterial growth.
- After thawing, give the mashed potato salad a good stir. The texture may change slightly, so you might need to add a bit more mayonnaise or sour cream to restore its creamy consistency.
- Always taste the mashed potato salad after thawing and adjust the seasoning if necessary. Sometimes, freezing can dull the flavors, so a pinch of salt or a dash of pepper might be needed.
How To Reheat Leftovers
- Use the stovetop method: Place the mashed potato salad in a non-stick skillet over medium heat. Stir occasionally to ensure even heating. Add a splash of milk or cream to maintain its creamy texture.
- Microwave it: Transfer the mashed potato salad to a microwave-safe dish. Cover with a microwave-safe lid or plastic wrap, leaving a small vent. Heat on medium power in 1-minute intervals, stirring in between, until warmed through.
- Oven-bake it: Preheat your oven to 350°F (175°C). Spread the mashed potato salad in an oven-safe dish. Cover with aluminum foil to prevent drying out. Bake for about 20-25 minutes or until heated through.
- Double boiler method: Place the mashed potato salad in a heatproof bowl. Set the bowl over a pot of simmering water, ensuring the bottom of the bowl doesn’t touch the water. Stir occasionally until heated through.
- Steamer method: Place the mashed potato salad in a heatproof dish that fits inside your steamer basket. Steam over boiling water for about 10-15 minutes, stirring occasionally, until warmed through.
Best Tools for This Recipe
Pot: Used to boil the potatoes until they are tender.
Peeler: Essential for peeling the potatoes before cubing them.
Knife: Needed to cube the potatoes into uniform pieces.
Cutting board: Provides a safe surface for cubing the potatoes.
Colander: Used to drain the boiled potatoes.
Mixing bowl: Where you will mash the potatoes and mix in the other ingredients.
Potato masher: Helps to mash the potatoes until they are smooth.
Measuring cups: Used to measure out the mayonnaise, sour cream, and other ingredients.
Measuring spoons: Needed to measure the mustard, salt, and pepper accurately.
Spatula: Useful for mixing the ingredients together thoroughly.
Refrigerator: Where you will chill the potato salad before serving.
Chopping knife: Used to chop the green onions finely.
How to Save Time on This Recipe
Boil potatoes in advance: Cook the potatoes the night before and store them in the refrigerator. This way, they are ready to be mashed when you need them.
Use a potato masher: Instead of using a fork, use a potato masher to quickly achieve a smooth consistency.
Pre-chop green onions: Chop the green onions ahead of time and store them in an airtight container to save prep time.
Mix ingredients efficiently: Use a large mixing bowl to combine the mayonnaise, sour cream, and other ingredients quickly and evenly.
Chill in shallow dish: To speed up the chilling process, spread the mashed potato salad in a shallow dish before refrigerating.

Mashed Potato Salad Recipe
Ingredients
Main Ingredients
- 4 large potatoes peeled and cubed
- ½ cup mayonnaise
- ¼ cup sour cream
- 1 tablespoon mustard
- 1 teaspoon salt or to taste
- ½ teaspoon black pepper freshly ground
- ¼ cup chopped green onions
Instructions
- 1. Boil the potatoes in a pot of salted water until tender, about 15-20 minutes.
- 2. Drain the potatoes and let them cool slightly.
- 3. In a mixing bowl, mash the potatoes until smooth.
- 4. Add the mayonnaise, sour cream, mustard, salt, and pepper to the mashed potatoes. Mix well.
- 5. Stir in the chopped green onions.
- 6. Chill in the refrigerator for at least 1 hour before serving.
Nutritional Value
Keywords
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