Twice Baked Potato Casserole is the ultimate comfort food recipe! Perfect Baked Potatoes are scooped out and mashed to create super creamy Mashed Potatoes… we then add in our favorite potato toppings including crispy bacon, cheddar cheese, sour cream and green onions.
This casserole is super easy and one of our all time favorite sides!
Cheesy Potato Casserole
We love all forms of potatoes in our house…. from Oven Roasted Potatoes to Loaded Baked Potatoes, to our favorite Potatoes Au Gratin! And of course, good ol’ Twice Baked Potatoes. I mean really, how can you go wrong with potatoes loaded with bacon and cheese? Am I right?!
This Twice Baked Potato Casserole takes all of those favorite twice baked flavors and bakes them into a creamy cheesy potato casserole!
How to Make Baked Potato Casserole
The great thing about this recipe is that it’s very versatile! You can use leftover potatoes or even make Crock Pot Baked Potatoes. If you’re in a rush you can also boil the potatoes with a couple of cloves of garlic. So easy!
Once the potatoes are baked or boiled, we mash them with butter and sour cream. Finally add in all of our favorite potato toppers including cheddar, bacon and onions. You can add anything you’d like to this recipe… change out the cheeses, stir in some roasted garlic or leftover chicken. The possibilities are endless.
Make Ahead Twice Baked Potato Casserole
Here’s the great thing about this dish, it can be made up to 2 days in advance. This makes it the perfect dish to serve for the holidays and of course it bakes up nice and bubbly!
More Potato Recipes You’ll Love
- Baked Potato Soup – Like a hug in a bowl
- Instant Pot Mashed Potatoes
- Potatoes Au Gratin – Creamy and cheesy!
- Roasted Sweet Potatoes
- Colcannon Recipe (Cabbage and Potatoes) – Favorite recipe (with bacon)
Twice Baked Potato Casserole
Equipment
Ingredients
- 6 medium baked potatoes or boiled potatoes, *see notes
- ¼ cup salted butter
- 4 oz cream cheese softened
- ⅔ cup sour cream
- ½ cup milk or cream, warmed
- ½ teaspoon garlic powder
- 1 tablespoon fresh parsley chopped
- 2 cups shredded cheddar cheese
- 2 green onions thinly sliced
- 10 slices bacon cooked and crumbled
- salt and pepper to taste
Toppings
- 1 green onion thinly sliced
- 2 slices bacon cooked & crumbled
- ½ cup shredded cheddar cheese
Instructions
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Preheat oven to 375°F.
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If using baked Russet potatoes, cut them in half lengthwise and use a spoon to scoop the potato flesh into a bowl.
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Mash the warm baked potatoes or boiled potatoes with a potato masher. Add butter, cream cheese, and sour cream. Continue mashing, adding milk/cream a little at a time until the potatoes have a creamy consistency.
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Stir in remaining ingredients (except toppings) and spread into a 2 quart casserole dish.
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Sprinkle with toppings and bake for 25-30 minutes or until cheese is melted and potatoes are hot.
Notes
Nutrition Information
Nutrition information provided is an estimate and will vary based on cooking methods and brands of ingredients used.
Course Side Dish
Cuisine American
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You didn’t say but if I’m using russets am I supposed to peel them or mash with skins on?
Great question, if using Russets, you’ll want to peel them first. I have updated the recipe to include this information.
how do you prepare if you want to make them one night before ?
I would suggest to prepare as directed reserving the cheese for on top in a separate container. Cover and refrigerate overnight. Remove from the fridge 30 minutes before baking and cover with foil. Bake at 375°F for 30 minutes. Stir, top with cheese and bake uncovered for an additional 15 minutes or until heated through.
Best loaded mashed potatoes. We made it at Christmas and we’re making it tonight. My son (who is 14- and picky) has been begging for this dish! Thanks for all the tasty recipes and great cooking techniques!
That makes me so happy to hear! I am glad he is enjoying it.
Absolutely delicious!!!
how much to use in a 8x8pan for 2 people.
Hi Maryann! If you scroll down to the recipe card and hit ‘print’ you will be able to adjust servings to 2. I hope that helps!
Why not microwave potatoes first?
You certainly can microwave them.
Can you use instant potatoes if so how many cups of potatoes?
Yes, instant potatoes will work just fine, you will need about 6 cups of mashed potatoes for this recipe.
What is the baking dish size and baking time if you double the recipe? That doesn’t seem to change on the website when I select 2x
Looking forward to making this for Xmas eve!
A double recipe will fit in a 9×13 pan, you will need to increase the cooking time slightly as well Cristina!
Have you ever frozen it – I am not sure about that since it has dairy products in it. I have had issues with freezing anything with dairy. It becomes clumpy and weird. This recipe is so great -we are having it with a ham steak for breakfast. Mmmmm!!!
Absolutely, I make them ahead of time and freeze, you can bake right from frozen. I do approximately 350°F for about 45-55 minutes.
I made this for a pot luck and I will definitely be making it again!
Can u freeze this?
Definitely, Hannah! You can freeze this, then let thaw in the fridge overnight and bake according to the recipe instructions.
turned out awesome. used red potatoes and boiled them. So easy!
5 stars
Would packaged bacon bits work instead of cooked/crumbled bacon?
That should work just fine Trudy!
Tried it last night and we loved it.
Love the recipe, but I just kind of stir and chop the potatoes with a spoon so they are more like eating a baked potato than mashed.
This recipe is OMG sinful! It will be a go-to for special occasions.
I’ve got mine in the oven now! I make it every couple of months – so yummy! Serving along side buffalo chicken wings and a salad.
I also would like to make it in our crockpot. Do the potatoes need to be cooked first?
Yes, the recipe should be prepared up to step 3. and spread into a slow cooker instead of a casserole dish. You may need to double the recipe depending on the size of your slow cooker.
Holly you were right! Thanks! I didn’t have oven space today for our family holiday so I made this in my 9×13 crockpot and it was amazing as usual. 3 hours on low.
So glad it worked out for you Wendy!