When it comes to comfort food, nothing beats a bowl of Roasted Cheesy Garlic Mashed Potatoes. These are loaded with creamy Yukon gold potatoes, sour cream and butter for that rich and dreamy texture. With plenty of garlic and melty cheddar cheese, these potatoes are taken up a notch.. They’re the perfect side dish for everything from family dinners to holiday feasts, and honestly, they’re so good you might just want to eat them on their own!

About the Recipe
You can pull together these cheesy garlic mashed potatoes in no time, and they’ll quickly steal the show at your dinner table. The balance of savory garlic and sharp cheddar gives these potatoes a boost of flavor, while the sour cream adds an extra layer of creaminess. They bake up beautifully in the oven, with the cheese bubbling on top for that perfect golden finish.
Whether you’re hosting a casual gathering or looking to make a side dish that stands out, these mashed potatoes are always a hit. Plus, they’re a great make-ahead option for those busy holiday meal preps. Just bake and serve!
If you are looking for more side dish recipes, check out our: The Best Creamy Yukon Gold Mashed Potatoes, Spicy Cucumber Salad or Twice Baked Mashed Potatoes.

Jump to:
- About the Recipe
- Why You Will Love This Recipe
- Ingredients
- How to Make Roasted Cheesy Garlic Mashed Potatoes
- Expert Tips and Tricks
- Kitchen Equipment
- Recipe Substitutions/Variations
- What To Serve With
- Frequently Asked Questions
- Recipe Storage and Reheating
- Other Recipes to Try
- Roasted Cheesy Garlic Mashed Potatoes Recipe
Why You Will Love This Recipe
Simple - This recipe requires just a few basic ingredients and straightforward steps. With just boiling, mashing, and baking, you can easily whip up these cheesy mashed potatoes in no time.
Comforting -Creamy potatoes, melted cheese, and garlic come together to create the ultimate cozy side dish that’s rich in flavor and comfort. Each bite is a delicious blend of smooth, buttery texture and savory flavors.
Versatile - These mashed potatoes go great with just about anything, whether it's a juicy steak or a tasty roasted chicken. They're so comforting that you'll find yourself going back for seconds, and maybe even thirds!

Ingredients
Here are the ingredients you will need for this mashed potatoes recipe:
- Potatoes - Use 3 pounds of Yukon gold potatoes. I love the flavor of yellow Yukon potatoes, but you can use any type of potatoes you have on hand.
- Butter - Use unsalted butter.
- Milk - Warm whole milk works great for the best texture and flavor.
- Sour cream - Sour cream adds a creamy and lightweight texture to the mashed potatoes. Cream cheese is a good substitute for sour cream if you don't have any on hand.
- Cheese - Use shredded cheddar cheese. I love sharp cheddar cheese, but you can use white or yellow cheddar cheese that you have on hand.
- Garlic - Use fresh minced garlic cloves for the best flavor. You can also use garlic powder instead. Or, if you have roasted garlic cloves on hand, they would be delicious.
- Salt & black pepper - I like to use freshly cracked black pepper for this recipe.
How to Make Roasted Cheesy Garlic Mashed Potatoes
Let's make these cheesy mashed potatoes together!
Step 1: Preheat the oven to 350°F.

Step 2: Place potatoes in a large pot and fill with enough cold water to cover the potatoes. Bring to a boil, season with ½ tablespoon salt and cook for 20-25 minutes, or until the potatoes are tender. Drain the potatoes and return them to the pot.

Step 3: Gently mash the potatoes with a potato masher in a large bowl.

Step 4: Add the remaining ½ tablespoon salt, butter, milk, sour cream, ¾ cup cheese, garlic, and black pepper. Stir until combined.

Step 5: Transfer the potatoes to a greased oven-safe baking dish.

Step 6: Top with the remaining ¼ cup cheese and bake in the preheated oven for 30 minutes or until the cheese is melted and bubbly. Serve and enjoy!

Expert Tips and Tricks
Here are some expert tips to make this mashed potato recipe:
Use cold water - Start with cold water when boiling the potatoes to ensure even cooking. Once the water reaches a boil, add salt to enhance the flavor.
Don’t overcook - Be mindful not to overcook the potatoes. They should be fork tender but not mushy. Overcooking can make them too watery.
Season to taste - Adjust the salt and black pepper to your liking. Taste as you go to achieve the perfect balance of flavors.

Kitchen Equipment
Here is some kitchen equipment you will need for this great side dish. You can find all of these products on Amazon.
Potato masher - All you need to mash potatoes is an old fashioned potato masher. This one is great and affordable!
Large pot - A quality large pot is important for any home cook! It's a go-to for making soups, pastas, and dishes for a crowd.
Oven-safe baking dish - Use a quality baking dish that will bake your mashed potatoes easily! This baking dish is super high quality.

Recipe Substitutions/Variations
Here are some common recipe substitutions and variations for these creamy mashed potatoes:
Yukon gold potatoes - If you don’t have Yukon golds, you can use russet potatoes or red potatoes. Each will give a slightly different texture, with russets being fluffier and reds being a bit waxier.
Whole milk - Swap whole milk for low-fat milk, heavy cream or even unsweetened almond milk for a lighter version.
Sour cream - Greek yogurt or cottage cheese can be used instead of sour cream for a protein boost and tangy flavor.
Cheddar cheese - Try using different cheeses like gouda, mozzarella, pepper jack for a little heat, or a sharp white cheddar for a stronger flavor.
Additions - Add herbs like fresh chives, parsley or thyme for extra flavor. Mix in crumbled bacon, green onions or extra cheese for a loaded twist.

What To Serve With
Here are some recipes to serve alongside the best mashed potatoes:
The Best Tuscan Chicken Thighs Recipe - This easy Tuscan Chicken Thighs recipe is a perfect addition to your dinner rotation. Made with bone-in, skin-on chicken thighs that get beautifully crisped up, and a creamy garlic sauce with tender spinach and sun-dried tomatoes. It is a comforting dish with simple ingredients that doesn't require much effort.
Bavette Steak - This incredible recipe for Bavette Steak is flavor-packed and simple to make. It is a great option for when you're celebrating a special occasion, hosting a grilling party, enjoying a romantic dinner, or simply indulging in a flavorful meal.
Pork Piccata - You're really going to love this recipe for Pork Piccata. Tender pork chops coated in a seasoned flour mixture, then cooked to perfection in a tangy lemon and caper piccata sauce. The flavors are bright and zesty, making this an irresistible and easy dinner recipe.

Frequently Asked Questions
If your mashed potatoes are too thick, gradually mix in warmed milk or cream until you reach the desired consistency. You can also add chicken or vegetable broth for extra flavor, or incorporate more sour cream and melted butter.
Yes! Simply prepare the mashed potatoes as directed, then allow them to cool completely before transferring them to an airtight container. Store them in the fridge for up to 3 days. When you’re ready to serve, reheat in the oven or microwave, adding a splash of milk or cream if they seem too thick. For the best results, consider baking them right before serving to get that delicious cheesy topping nice and bubbly!
You can achieve smooth potatoes using a potato ricer, which creates a fluffy texture without lumps. An electric hand mixer or blender can also work well but just be careful not to overmix.

Recipe Storage and Reheating
Here are storage instructions for this classic side dish.
Refrigerator Storage: Store leftovers in an airtight container in the refrigerator for up to 5 days. Reheat in the microwave or on the stove until heated through.
Freezer Storage: While it's possible to freeze these mashed potatoes, they can become slightly watery upon thawing. This recipe is best enjoyed fresh, but if you do freeze it, be prepared for a potential change in texture.
Other Recipes to Try

Roasted Cheesy Garlic Mashed Potatoes Recipe
Ingredients
- 3 lb yukon gold potatoes
- 4 tablespoons unsalted butter
- 1 cup whole milk warmed
- 1 cup sour cream
- 1 cup shredded cheddar cheese divided
- 6 garlic cloves minced
- 1 tablespoon salt divided
- Freshly cracked black pepper
Instructions
- Preheat oven to 350F.
- Place potatoes in a large pot and cover with cold water. Bring to a boil and season with ½ tablespoon salt. Cook until tender, about 20-25 minutes. Drain and return to the pot.
- Gently mash potatoes with a potato masher. Add remaining ½ tablespoon of salt, unsalted butter, warmed milk, sour cream, ¾ cheddar cheese, minced garlic, and freshly cracked black pepper. Stir until combined.
- Transfer mashed potatoes to a greased oven-safe baking dish. Top with remaining ¼ cup of shredded cheddar cheese. Bake for 30 minutes, until the potatoes are bubbly and the cheese is melted.
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