
Stepping into the world of pressure cooking can be transformative for any home chef, and for me, getting an Instant Pot was an absolute game-changer. I confess, I was skeptical at first, doubting all the hype. Could one appliance truly live up to the lofty claims of speed and flavor? The answer, I quickly discovered, was a resounding yes! From succulent meats that taste slow-cooked for hours to perfectly tender vegetables, the Instant Pot consistently delivers incredible results in a fraction of the time.
Imagine enjoying dishes that typically demand six or more hours of slow cooking, perfectly prepared in just an hour. This efficiency, without sacrificing any of the rich flavors or tender textures, feels nothing short of culinary magic. It’s a lifesaver on busy weeknights and a secret weapon when entertaining guests.
Among the many wonderful recipes I’ve perfected in my Instant Pot, the Twice Baked Potato Casserole stands out as an absolute favorite. This dish, renowned for its comforting and decadent qualities, becomes incredibly easy and quick to prepare with the help of a pressure cooker. It’s the ultimate combination of convenience and deliciousness, transforming a classic into an accessible weeknight or holiday treat.
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Why the Instant Pot is Perfect for Twice Baked Potatoes
Traditionally, making twice baked potatoes involves baking potatoes until tender, scooping out the flesh, mashing it with various ingredients, refilling the skins, and then baking again. While undeniably delicious, this process can be quite time-consuming. The Instant Pot dramatically streamlines the first and most time-intensive step: cooking the potatoes.
By pressure cooking the potatoes, you achieve fork-tender results in mere minutes, significantly cutting down on overall preparation time. This method not only speeds things up but also infuses the potatoes with flavor right from the start. We add butter and garlic directly into the pot with the potatoes, ensuring every bite is rich and savory. This efficiency means you can enjoy the luxurious taste of twice baked potatoes without spending hours in the kitchen, making it ideal for both special occasions and casual family dinners.

Crafting Your Instant Pot Twice Baked Potato Casserole
The beauty of this recipe lies in its simplicity. To begin, I prefer using red potatoes, quartering them and leaving the peels on for added texture and nutrients. These go directly into the Instant Pot with a touch of water, a few cloves of peeled garlic, and a stick of butter. This initial cooking phase is where the magic truly begins, as the potatoes absorb these wonderful flavors under high pressure for just 6 minutes.
Once the pressure is released and the lid is safely opened, the potatoes are perfectly tender and ready for mashing. You can use a traditional potato masher for a slightly rustic texture or a hand mixer for an extra creamy consistency – choose what you prefer! After mashing, it’s time to incorporate the classic twice-baked elements: an generous amount of shredded cheese, fresh chives, rich sour cream, and a splash of milk. These ingredients blend beautifully, transforming the simple potatoes into a luscious, flavorful mixture.
The mixed potato base is then transferred to a baking dish, ready for its final transformation in the oven. This stage is where the casserole truly shines, developing a beautiful golden crust and melting cheese on top. It’s a sight and aroma that promises pure comfort and satisfaction.
Perfect for Planning Ahead
One of the standout features of this Instant Pot Twice Baked Potato Casserole is its incredible versatility for meal prep. It’s an ideal make-ahead dish for holidays, potlucks, or any gathering where you want to minimize last-minute stress. You can prepare the casserole up to the point of baking, store it in the refrigerator, and then simply pop it into the oven when you’re ready to serve. This flexibility allows you to enjoy more time with your loved ones and less time tied to the kitchen.
If you’re a fan of freezer meals, this recipe is also fantastic. The casserole can be assembled and frozen unbaked. When you’re ready to enjoy it, simply thaw it overnight in the refrigerator and then bake as directed. This makes it a perfect solution for busy weeks, ensuring a delicious, homemade side dish is always within reach.

Tips for the Perfect Twice Baked Potato Casserole
- Potato Choice: While red potatoes work wonderfully and hold their shape well, you can experiment with Yukon Gold potatoes for an even creamier result. Russet potatoes can also be used, but might require peeling if you prefer a smoother texture without skins.
- Seasoning is Key: Don’t be shy with seasoning. Taste the potato mixture before baking and adjust salt and pepper as needed. Sometimes a little extra can make all the difference. Consider a pinch of garlic powder or onion powder for an extra flavor boost.
- Cheese Blend: I love a good cheddar/Colby Jack mix for its melting properties and robust flavor. However, feel free to get creative with other cheeses like Gruyère, Monterey Jack, or even a smoked cheddar for a unique twist.
- Bacon Perfection: Ensure your bacon is cooked to a crispy perfection before chopping and adding it to the casserole. This provides a delightful textural contrast. For extra convenience, pre-cooked bacon bits can be used, but fresh bacon always yields superior flavor.
- Fresh Herbs: Green onions (scallions) are a must for that classic “loaded baked potato” flavor. Don’t limit yourself though; a sprinkle of fresh parsley or chives on top just before serving adds a lovely fresh note and visual appeal.
- Creaminess Factor: For an ultra-creamy casserole, ensure your milk and sour cream are at room temperature when added to the hot potatoes. This helps them combine smoothly without cooling down the mixture too much.

Serving Suggestions & Variations
This Instant Pot Twice Baked Potato Casserole is incredibly versatile and pairs well with a variety of main courses. It’s a natural fit for holiday spreads alongside roasted turkey or ham, and equally delightful as a hearty side for steak, grilled chicken, or pork chops. For a complete meal, serve it with a simple green salad to balance the richness.
Variations to Explore:
- Spicy Kick: Add a pinch of cayenne pepper or a dash of hot sauce to the potato mixture for a bit of heat.
- Ranch Style: Mix in a tablespoon of ranch seasoning powder for a tangy, herbaceous flavor.
- Vegetarian Delight: For a vegetarian version, simply omit the bacon. You can replace it with crispy fried onions or even smoked paprika for a smoky flavor.
- Garlic Lover’s Dream: Increase the amount of garlic cloves in the Instant Pot during cooking, or add a teaspoon of garlic powder to the mashed mixture.
- Loaded Deluxe: Before baking, sprinkle extra toppings like finely diced jalapeños, crispy fried onions, or even a dollop of extra sour cream for a truly decadent experience.
Every single time I’ve served this Instant Pot Twice Baked Potato Casserole, it’s been met with rave reviews. It’s comforting, satisfying, and so incredibly easy to make that even novice cooks can achieve a crowd-pleasing dish. Its make-ahead capabilities truly elevate it to holiday superstar status, but its simplicity means it’s perfect for any occasion when you crave hearty, flavorful potatoes.
More Instant Pot Recipes to Try
If you’re loving the convenience and delicious results from your Instant Pot, here are a few more recipes to inspire your culinary adventures:
- Instant Pot Caramelized Onion Dip: A rich and savory dip, made effortlessly.
- Instant Pot Milk & Honey Corn On The Cob: Sweet and tender corn, cooked to perfection in minutes.
Instant Pot Twice Baked Potato Casserole Recipe
Print Recipe

10 mins
26 mins
6 -8
Ingredients
- 3 lbs Red Potatoes
- 1 Stick Butter
- 3/4 Cup Water
- 3 Cloves Garlic
- 1 Tsp Salt
- 1/2 Tsp Pepper
- 3/4 Cup Milk
- 3/4 Cup Sour Cream
- 8 pieces of bacon, cooked and chopped
- Add more salt to taste, I usually add 1-2 tsp more
- 1.5 Cups Shredded Cheese + 1/2 Cup for topping, I use a cheddar/Colby jack mix
- 6 Green Onions, chopped
Instructions
- Wash your potatoes thoroughly, then cut them into quarters.
- Add the quartered potatoes, butter, water, garlic, salt, and pepper to your Instant Pot.
- Securely seal the lid and set the Instant Pot to cook on high pressure for 6 minutes. Ensure the steam release knob is in the “sealing” position.
- Once the cooking cycle is complete, carefully perform a quick release by switching the steam vent to “venting” to release the pressure.
- After all steam has been released and the float valve drops, open the pot. Add the milk and sour cream to the cooked potatoes. Mash thoroughly with a potato masher for a textured result or use a handheld mixer for a smoother consistency.
- Fold in half of the chopped green onions, half of the cooked bacon, and 1.5 cups of shredded cheese. Use a spatula or spoon to combine all ingredients well. Taste and adjust salt and pepper if needed.
- Transfer the potato mixture into an 8×8 inch baking dish. Top with the remaining shredded cheese, bacon, and green onions. Bake in a preheated oven at 350°F (175°C) for 20 minutes, or until the cheese is bubbly and lightly golden.
- Serve immediately and enjoy your comforting Instant Pot Twice Baked Potato Casserole!
Nutrition
Calories:
518kcal (26% DV)
