Ultimate Baked Mashed Potatoes bring comfort and warmth to any meal. These creamy, cheesy delights are perfect for family gatherings, holiday feasts, or even a cozy night in. Anyone can whip up these delicious potatoes with just a few ingredients and simple steps.
Why make this recipe
This dish is not only incredibly easy to prepare, but it also packs a flavorful punch. The combination of butter, sour cream, and cheddar cheese makes these mashed potatoes rich and decadent, while the golden, baked top adds a delightful crunch. You’ll find that these baked mashed potatoes become a go-to recipe for bringing everyone together around the table.
Ingredients
- 3 lbs russet potatoes, peeled and quartered
- 1/2 cup (1 stick) unsalted butter, softened
- 1 cup sour cream
- 1/2 cup whole milk, warmed
- 1 1/2 cups shredded sharp cheddar cheese, divided
- 2 tsp salt
- 1/2 tsp black pepper
- 1/4 tsp garlic powder (optional)
How to make it
- Boil the quartered potatoes in salted water until fork-tender, about 15–20 minutes.
- Drain the potatoes well.
- Mash the potatoes with the softened butter, warmed milk, sour cream, 1 cup of the cheese, salt, pepper, and garlic powder (if using).
- Spread the mashed potato mixture into a greased 9×13-inch baking dish.
- Top the potatoes with the remaining 1/2 cup of shredded cheese.
- Bake in a preheated oven at 375°F for 25–30 minutes, or until the top is golden.
- Let the baked mashed potatoes rest for 5 minutes before serving.
How to serve it
These Ultimate Baked Mashed Potatoes pair wonderfully with roasted meats, grilled vegetables, or a fresh salad. Serve them hot as a side dish, and don’t forget to sprinkle a bit of extra cheese or herbs on top for added flair!
How to store it
If you have leftovers, store them in an airtight container in the refrigerator. They can last for about 3-5 days. When you’re ready to enjoy them again, reheat in the oven at 350°F until warmed through, about 20-25 minutes.
Helpful tips
- Make sure to drain the potatoes thoroughly after boiling to avoid watery mashed potatoes.
- For an extra creamy texture, consider using a potato ricer or food mill to mash the potatoes.
- It’s important to soften the butter beforehand, so it blends well into the potatoes.
Optional variations
- For a touch of freshness, mix in chopped green onions or chives before baking.
- Want to spice things up? Add some cooked bacon bits or jalapeños for a fun twist.
- To make it a bit lighter, you can substitute Greek yogurt for sour cream.
Frequently asked questions
Can I use other types of potatoes for this recipe?
Yes, you can use other varieties like Yukon gold or red potatoes, but the flavor and texture may vary slightly.
Can I make this recipe ahead of time?
Absolutely! Prepare the mashed potatoes up to the baking step and refrigerate them. When you’re ready, just bake them directly from the fridge, adding a few extra minutes to the baking time.
What if I want to make a smaller portion?
You can easily halve the recipe by using 1.5 lbs of potatoes and adjusting the other ingredients accordingly. Store any leftovers as mentioned above!




