Easy Cheesy Garlic Mashed Potatoes
There’s nothing quite like easy cheesy garlic mashed potatoes when you want to turn a simple meal into a feast. These potatoes are buttery, creamy, loaded with cheese, and full of garlicky goodness — the kind of comfort food that makes any dinner feel like a treat.
If you love hearty potato recipes, try my stuffed baked potatoes, traditional German potato pancakes, or cheesy fried potato wedges next — they’re both perfect for adding a little indulgence to your table too.
Let’s talk about this recipe
Loaded with cheese and butter, these mashed potatoes are a slice of heaven in a baking dish. The garlic adds depth and warmth while the creamy base ties everything together beautifully. They’re simple enough for a weeknight dinner, yet special enough for a holiday meal.
They’re also perfect for entertaining. You can make them ahead of time and simply pop them in the oven to bake while you visit with guests. I often serve them with my rustic handmade meatloaf, which can also be prepared in advance and baked when company arrives. Both dishes come out steamy hot and ready to enjoy at the same time — no need to spend your evening in the kitchen.
What makes this recipe so good
- Make-ahead convenience makes hosting easier — prep this dish in advance and bake it just before serving for stress-free gatherings.
- Rich, cheesy flavor from real butter, sharp cheddar, and garlic gives this dish impossible to resist comfort-food appeal.
- Perfectly fluffy texture, thanks to the starchy russet potatoes that mash up light and creamy every single time.
- Easily adjustable recipe makes it simple to prepare just the right amount — double it for a crowd or cut it down for a smaller meal.
- Freezer-friendly so you can have them on hand whenever you need them.
Ingredients you’ll need
A few simple, quality ingredients are all you need to make these potatoes stand out. The texture and flavor of each of them come together perfectly to create a crave-worthy dish.
- Russet potatoes: The perfect potato for mashing — they’re starchy enough to soak up the butter, sour cream, and cream beautifully. And they mash up fluffy and creamy every time.
- White cheddar cheese: I like to use extra sharp cheese, so that the potatoes have a nice bite to them. But, no matter what variety of cheese you use, it is sure to give them a rich, savory flavor that perfectly complements the garlic. Choose your favorite block and grate it yourself, rather than buying pre-shredded cheese — it melts more smoothly and gives a much better texture.
See recipe card below for full information on ingredients and quantities.
Make it your own
- Switch up the cheese for different flavor profiles — parmesan adds a salty edge, while Monterey Jack keeps things mild and creamy.
- Combine your favorites to create your own custom blend — the possibilities are endless here.
- Adjust the richness by increasing or reducing the amount of butter, cheese, or sour cream to suit your preference.
- Add herbs to the water when boiling the potatoes, for a gentle infusion of flavor that’s subtle but noticeable.
- Keep the skins on to take the rustic appeal of this dish to the next level — it adds texture, color, extra flavor, and nutrients.
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How to make easy cheesy garlic mashed potatoes
This recipe comes together quickly with simple to follow steps, and a quick bake at the end to melt everything together perfectly.
Step 1: Place potatoes in a pot, cover with water, bring to a boil, then reduce to a simmer until fork-tender.
Step 2: Drain, return to the pot, and add butter, sour cream, half-and-half, and seasonings. Mash until smooth.
Step 3: Mix in part of the shredded cheddar until it’s well distributed throughout the potatoes.
Step 4: Spoon into a well-buttered 9×13 pan, top with the remaining cheese and smoked paprika and scallions, if using.
Step 6: Bake at 350°F (175°C) for about 20 minutes until the dish is fully hot and the cheese is completely melted.
You’ll find measurements, and more detailed step-by-step instructions, in the recipe card below, which you can also print for your convenience if you’d like.
Recipe FAQs
Yes! Assemble the dish a day in advance, cover tightly, and refrigerate. Just bake when you’re ready to serve.
Definitely. Cool completely, portion into containers, and freeze for up to 3 months. Reheat covered in the oven.
Russet potatoes work best because of their high starch content and ability to absorb butter and cream.
Of course. Use your favorite variety, or try a blend of all your favorites to create your own signature flavor.
Mash them gently — avoiding overworking the potatoes is the trick to keeping them light and creamy.
Serving ideas
These easy cheesy garlic mashed potatoes elevate any meat-and-potatoes meal into a next level comfort food feast. They’re perfect with savory roasted chicken, juicy grilled steak, tender baked pork chops, or classic Louisiana fried chicken. Truth is, the garlic and cheese bring a rich flavor that pairs beautifully with just about anything.
During the holidays, I highly recommend serving them with tender marinated turkey tips, homestyle turkey stuffing, and roasted honey balsamic carrots. It’s a classic comfort spread that’s sure to be a hit with everyone at the table.
This recipe is part of my Thanksgiving recipe collection — a cozy roundup of dishes that make the holiday feel extra special.
Diane Gail’s tips for success
- Butter the pan generously: This prevents sticking and adds rich, buttery flavor to the edges of the dish.
- Avoid overbrowning the top: The cheese should be melted and gooey, not crisp or hard.
- Prepare in advance: Make it ahead of time, then pop it in the oven to bake when guests arrive so you can relax and visit while it bakes.
- Freeze in portions: Having this dish in the freezer makes weeknight dinners a little easier — thaw overnight and bake when you’re ready to eat them.
- Warm your dairy ingredients: Bringing butter, sour cream, and half-and-half to room temperature helps everything blend more smoothly.
Final thoughts
These buttery mashed potatoes are pure comfort in every bite — simple to make, beautifully rich, and always a crowd-pleaser. Whether you’re serving them alongside a hearty main dish or bringing them to a holiday table, they never fail to impress. Once you’ve tried this cheesy, garlicky version, you’ll want to make it part of your regular dinner rotation all year long.
Other recipe you’ll love
If you loved this side dish recipe, give these other great recipes a try too!
Hand Cut French Fries
Old-Fashioned Potato Salad
Vegan Korean Pancake Recipe
Old Fashioned Turkey Stuffing Recipe
Caramel Applesauce Recipe
Simple Garden Fresh Side Dish
Easy Cheesy Garlic Mashed Potatoes
Ingredients
- 6 large russet potatoes peeled and chunked
- 1/2 cup butter cubed, separated
- 1/4 cup sour cream room temperature
- 1/4 cup half and half room temperature
- 4 large garlic cloves pressed
- 3/4 teaspoon salt
- 1/2 teaspoon ground black pepper
- 2 1/2 cups shredded white cheddar cheese separated
- smoked paprika for garnish, optional
- chopped scallions for garnish, optional
Instructions
- Boil the potatoes: Place peeled russet potatoes in a large pot, cover with water, and bring to a boil. Reduce heat and simmer until fork-tender.
- Mash with butter and cream: Drain the potatoes, return to the pot, and add 5 tablespoons of the butter, sour cream, half-and-half, and seasonings. Mash until smooth and creamy.
- Add the cheese: Blend in a 1 1/2 cups of the shredded white cheddar until fully combined.
- Prepare the pan: Use the remaining butter to grease a 9×13 baking dish.
- Assemble for baking: Spoon the mixture into the pan, smoothing the top. Sprinkle with the remaining cheese and smoked paprika and scallions if desired.
- Bake: Bake at 350°F (175°C) for about 20 minutes, until heated through and the cheese is fully melted.
Notes
- Butter generously: Coat your baking dish with plenty of butter to prevent sticking and add flavor.
- Skip the brown top: Don’t overbake or let the cheese brown — this dish is best when soft, creamy, and luscious.
- Prepare ahead: Make it in advance and bake when guests arrive so you can enjoy visiting instead of cooking.
- Freeze in portions: Spoon into smaller freezer-safe containers to reheat for easy weeknight sides.
- Add herbs to the water: Boil the potatoes with a few fresh herbs for a subtle, aromatic flavor boost.
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.
I’ve made these potatoes so many times now, and they never disappoint. They’re rich, cheesy, and just the right kind of indulgent for a cozy meal or a holiday dinner. I love that they can be made ahead and baked while everything else finishes up — makes hosting so much easier!
~ Diane Gail