This cozy, elevated Cheesy Potato Soufflé takes everything you love about creamy mashed potatoes and turns it into a light, puffy, irresistible holiday-worthy side dish. It’s rich and fluffy, full of savory cheesy flavor, and surprisingly easy to make — even if you’ve never made a soufflé before.
This recipe was originally published on December 13, 2019. The post was updated with a new recipe and photos on November 13, 2025.
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Table of Contents
If you love mashed potatoes but want something a little more special for your holiday table, this Cheesy Potato Soufflé is the kind of side dish that makes people stop and say, “Wait… what is that?" It takes all the comfort of creamy mashed potatoes and transforms them into a light, puffy, golden casserole that feels festive without being fussy.
And honestly? It’s much easier than it looks. There’s no delicate soufflé technique here — just whip the potatoes, fold in the cheese, and let the oven work its magic. The result is rich, fluffy, and savory, with that cozy holiday vibe that fits right in alongside roast turkey, ham, or whatever main you’re serving this year. And yes, it will disappear fast.
If you’re planning your menu, pair this soufflé with favorites like my Roasted Brussels Sprouts and Sweet Potatoes, Fresh Green Bean Casserole, and Soft and Fluffy Dinner Rolls.
What Is Potato Soufflé?
Potato soufflé is a light, fluffy, casserole-style twist on classic mashed potatoes. Instead of the traditional soufflé method — which involves carefully whipping and folding egg whites — this version uses whole eggs and a bit of baking powder to create lift. The result is a creamy mashed potato base that bakes up puffy, golden, and beautifully airy, almost like a cross between mashed potatoes and a standard whipped egg soufflé — light, airy, and just a little bit fancy.
Why You'll Love Cheesy Potato Soufflé
Intro
- Light, fluffy, and irresistibly creamy — It has all the comfort of mashed potatoes but with a scoopable, airy texture that feels extra special.
- Surprisingly easy to make — No separating eggs or mastering delicate techniques — just whip, fold, and bake. Your electric mixer does all the hard work for you!
- Perfect for holidays and gatherings — It looks impressive on the table, pairs with almost any main, and brings that warm “made with love” energy to your meal.
- A fun twist on classic mashed potatoes — If you want something familiar but elevated — or you're looking for a new mashed potato casserole recipe — this delivers every time.
- Crowd-pleasing cheesy flavor — Sharp cheddar melts into every bite, giving the soufflé amazing savory richness without feeling heavy.
Recipe Ingredients and Substitutions
Here’s everything you’ll need to make this cozy, fluffy potato soufflé recipe, along with simple substitution tips so you can make it your own:
Yukon gold potatoes — Yukon golds make the soufflé naturally creamy and velvety. Peel and cut them into 1 ½-inch chunks. You can use russet potatoes if that’s what you have, but they’re a bit drier, so you may want to add an extra splash (or two) of milk to the potato mixture.
Garlic cloves — These simmer right along with the potatoes, adding gentle garlic flavor without the sharp pungency of raw.
Unsalted butter — Just enough to add richness without making the soufflé heavy. You can add an extra tablespoon if you like a more noticeable buttery flavor.
Sour cream — Full-fat sour cream gives the dish the best texture and tang. Greek yogurt can work in a pinch, though the flavor will be slightly brighter.
Milk — Whole or 2% both work well here. Add a splash more if the potatoes seem dry after whipping.
All-purpose flour — Just a bit helps the soufflé set as it bakes. A 1:1 gluten-free flour blend works perfectly if you need a gluten-free option.
Baking powder — This is the secret to giving the soufflé its lift. It replaces the traditional whipped-egg-white technique, making the recipe much easier and more beginner-friendly. Always check your baking powder's expiration date and use aluminum-free for the best taste.
Garlic powder — Adds savory depth and boosts the cheddar flavor.
Salt — One teaspoon seasons the boiling water, and another goes into the final mixture for balanced flavor.
Eggs — Four whole eggs help the casserole rise, set, and bake to that puffy, golden finish. No separating or special technique required.
Sharp cheddar cheese — Divided between the batter and the topping, it melts into every bite. Strong, sharp cheddar gives the most flavor, but white cheddar or a blend also works well.
Fresh chives — They add a pop of freshness that brightens the whole dish. Green onions can stand in if needed.
How to Make Cheesy Potato Soufflé
This soufflé looks impressive coming out of the oven, but the steps are surprisingly simple. Here's how to make it happen:
For the complete recipe and measurements, scroll to the recipe card at the bottom of this post.
To Prepare: Preheat the oven to 350°F and grease a 2 ½ quart baking dish with non-stick cooking spray or butter.
Step 1: Add the potatoes, salt, and garlic cloves to a large pot. Cover with cold water.
Step 2: Bring to a boil. Reduce the heat to medium and simmer for 15-17 minutes, or until the potatoes are easily pierced with a fork.
Step 3: Drain the potatoes in a colander for 5 minutes to remove any excess moisture. Remove the garlic from the potato mixture if desired.
Step 4: Add the drained potatoes, remaining 1 ¼ teaspoon of salt, butter, sour cream, milk, all-purpose flour, baking powder, and garlic powder to a large mixing bowl.
Step 5: Whip the potato mixture on low speed until combined. Increase the speed to medium and whip for 1 ½ to 2 minutes until smooth and light. Season to taste with salt.
Step 6: Whip in the eggs on low until combined. Increase the speed and whip for 2 minutes or until creamy and puffy.
Step 7: Gently fold in 1 ½ cups of the cheese and the chives until combined, being careful not to work the air out of the casserole.
Step 8: Pour the potato mixture into the baking dish and sprinkle with the remaining cheese.
Step 9: Bake the soufflé in the preheated oven for 50-60 minutes or until puffy and set in the center and golden brown around the edges. Serve immediately!
Recipe Variations
This soufflé is delicious as is, but it’s also easy to customize with simple flavor boosters—just fold them in gently so the texture stays light and airy.
- Cheese Swap — Try white cheddar or smoked Gouda for a fun twist on the classic cheesy flavor.
- Crispy Bacon — Fold in ½ cup chopped cooked bacon for a smoky, savory, and texture upgrade.
- Caramelized Onions — Add ½ cup for a sweet, deeply savory flavor throughout the soufflé.
- Roasted Garlic — Whip in a few cloves for mellow, caramelized garlic notes.
Chelsea's Recipe Pro-Tips
- Drain the potatoes really well — Excess moisture will weigh down the soufflé, so let them sit in the colander for at least 5 minutes.
- If the potatoes cool down, add a little extra bake time — Draining longer is totally fine, but cooler potatoes will need a few more minutes in the oven to heat through and rise properly.
- Whip the potatoes thoroughly — Follow the whipping times in the recipe; the extra time incorporates air, giving the soufflé its light, fluffy texture.
- Add milk gradually — If the potato mixture looks stiff or dry, add milk 1 tablespoon at a time until it’s smooth, creamy, and easy to fold. You may need up to ½ cup total, depending on the potatoes.
- Fold gently to keep the air in — Once the potatoes are whipped, switch to a spatula and fold in the cheese and chives with light, sweeping motions so the mixture stays airy.
- Serve right away for the best height — All soufflés naturally fall a bit as they cool, so bring it to the table hot to show off that beautiful rise.

Make Ahead Directions
If you want to get a head start on your holiday cooking, this potato soufflé is very make-ahead friendly. Here's a recommended schedule:
- 2 Days Ahead: Boil and drain the potatoes, then cool completely and store them covered in the refrigerator.
- 2 Hours Before Serving: Bring the potatoes to room temperature for an hour before whipping so they mix smoothly with the butter, sour cream, and milk.
- 1 Hour Before Serving: Assemble and bake the soufflé as directed, whipping the potatoes with the remaining ingredients, folding in the cheese and chives, and baking for 50-60 minutes until golden, puffy, and set in the center.
Note: Add a few extra minutes as needed. When making this dish ahead, the mixture will start out cooler than freshly cooked potatoes, so it typically needs a little more time in the oven to heat through and rise properly.
Serving Suggestions
This potato soufflé is a natural fit for both Thanksgiving and Christmas, where it pairs effortlessly with classic holiday side dishes. Serve it alongside favorites like Blistered Green Beans, Stuffing Balls, Low-Sugar Cranberry Sauce, and Corn Soufflé to build a well-rounded, comforting spread.
Storage Directions
- Refrigerating: Store leftovers in an airtight container in the fridge for up to 5 days.
- Freezing: Once cooled, transfer the leftovers to a freezer-safe container and store in the freezer for up to 2 months. Defrost the soufflé overnight in the fridge.
- Reheating: Warm the soufflé covered in a 325°F oven for 20-30 minutes, or until hot. Individual portions can be reheated in the microwave on medium heat.
FAQs
Yes. You can boil and drain the potatoes up to 2 days in advance, then bring them to room temperature before whipping and baking. Just add a few extra minutes of baking time since the mixture will start out cooler. For a recommended make-ahead schedule, see the Make Ahead Directions section above.
Yukon gold potatoes work best for their creamy texture, but russet potatoes will also work. They’re a bit drier, so you may need to add extra milk—about a tablespoon at a time—until the mixture is smooth and whippable.
It should be puffed, golden around the edges, set in the center, and read at least 165°F on a food thermometer. If you gently jiggle the dish, the middle should wobble slightly without looking wet.
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More Holiday Side Dish Recipes
- Sweet Potato Soufflé
- Cream Cheese Mashed Potatoes
- White Cheddar Mac and Cheese
- Butternut Squash Apple Soup
- Roasted Potatoes and Carrots
- Creamed Peas
- Mashed Butternut Squash
If you liked and made this Cheesy Potato Soufflé Recipe, don't forget to rate it and let me know how you liked it in the comments. I always love hearing from you!

