This isn’t just any Best Mashed Potatoes—it’s a beloved family recipe passed down through generations. Made with Idaho Russets and a few simple ingredients, it captures the authentic taste and texture of classic mashed potatoes.
Prepare Potatoes: Peel and quarter the potatoes, then place them in a pot of cold salted water.
Boil: Bring the pot to a boil, then cook uncovered for about 15 minutes or until the potatoes are fork-tender. Do not overcook —we don't want them mushy!
Drain Potatoes: Drain the potatoes well and transfer them to a large mixing bowl. Let the steam release a bit.
Warm Milk or Cream: In a small saucepan or microwave-safe bowl, heat the milk or heavy cream until warm (do not boil).
Mash Potatoes: Add the butter to the potatoes and mash with a potato masher.
Incorporate Milk Gradually: Slowly pour the warm milk or heavy cream, mashing continuously to reach your preferred consistency. (Tip: Use an electric mixer for an ultra-smooth texture, but be careful not to overmix, as this can make the potatoes gluey.)
Finish with Sour Cream: Add the sour cream, then mix until thoroughly combined. Season to taste with sea salt and black pepper.
Serve: Transfer the mashed potatoes to a serving dish. Optional: Add a dollop of butter and a sprig of thyme on top just before serving for an elegant touch.
Notes
Use Idaho Russet Potatoes: Due to their high starch content, these are the gold standard for fluffy, creamy mashed potatoes. Yukon Golds also work.
Start with Cold Water: Place potatoes in cold, salted water and bring them to a boil. This ensures even cooking and prevents a mushy texture. Cut the potatoes before boiling!
Warm the Butter and Cream: Heating these before adding to the potatoes helps them absorb more evenly, preventing a gluey or gummy texture.
Adjust for Consistency: Add milk or cream gradually until you reach your desired texture—some like them thicker, while others prefer them more velvety.
Season Generously: Potatoes need a good amount of salt to bring out their flavor. Taste as you go and adjust with sea salt and black pepper.