I love this loaded baked potato casserole because it feels like a warm hug on a plate. It’s perfect for sharing with family or friends, and the mix of cheesy, creamy, and crispy bacon flavors always makes me smile. I can’t wait for you to try it and see how comforting and tasty it is!
Most of the ingredients in this recipe are easy to find, but if you don’t usually keep sour cream or green onions at home, you might want to pick those up at the supermarket. Sour cream adds a creamy tang that makes the potatoes extra rich, and green onions give a fresh, mild onion flavor that brightens the dish. Bacon is usually sold pre-cooked or raw, so choose whichever you prefer for convenience.

Ingredients For Loaded Baked Potato Casserole
Potatoes: The main ingredient, peeled and cubed to cook quickly and mash smoothly.
Sour cream: Adds creaminess and a slight tang that makes the casserole rich and flavorful.
Cheddar cheese: Shredded cheese that melts perfectly, giving the dish a gooey, cheesy texture.
Bacon: Cooked and crumbled for a salty, crispy bite that adds a lot of flavor.
Green onions: Chopped to add a fresh, mild onion taste and a pop of color.
Salt: Enhances all the flavors in the dish.
Black pepper: Adds a little bit of spice and depth to balance the creaminess.
Technique Tip for Perfecting This Casserole
One of the key steps in this Loaded Baked Potato Casserole recipe is boiling the potatoes until they’re tender. Getting this just right makes a big difference in how smooth and creamy your casserole turns out. Here’s how to do it step by step:
- Fill a large pot with water and add some salt. The water should taste a little salty, like the sea. This helps season the potatoes as they cook.
- Put your peeled and cubed potatoes into the pot and bring the water to a boil over high heat.
- Once boiling, lower the heat to medium so the water keeps bubbling gently. This stops the potatoes from breaking apart too much.
- Check the potatoes after about 15 minutes by poking a piece with a fork. If it slides in easily, they’re ready.
- Drain the water right away so the potatoes don’t soak up too much water and become mushy.
Boiling the potatoes this way makes mashing them easier and gives your casserole a creamy texture without lumps. If you boil them too long, they can get waterlogged and make the dish watery. If you don’t boil them enough, you’ll end up with chunky bits that don’t mix well with the sour cream and cheddar cheese.
I remember the first time I made a baked potato casserole, I boiled the potatoes too long and the whole thing turned out soggy. Now, I always set a timer and test early to avoid that. Also, adding a little salt to the water is a small step that really boosts the flavor without extra effort. It’s a simple trick that makes your Loaded Baked Potato Casserole taste even better!
Suggested Side Dishes
Alternative Ingredients
potatoes - Substitute with cauliflower: Cauliflower can be mashed and seasoned to mimic the texture and flavor of potatoes, offering a lower-carb alternative.
sour cream - Substitute with Greek yogurt: Greek yogurt provides a similar creamy texture and tangy flavor while being lower in fat and higher in protein.
shredded cheddar cheese - Substitute with shredded mozzarella cheese: Mozzarella offers a milder flavor and melts well, making it a suitable alternative to cheddar.
cooked and crumbled bacon - Substitute with turkey bacon: Turkey bacon is a leaner option that still provides a similar smoky flavor and crispy texture.
chopped green onions - Substitute with chives: Chives have a similar mild onion flavor and can be used as a garnish to add freshness.
salt - Substitute with garlic salt: Garlic salt adds a bit of extra flavor while still providing the necessary seasoning.
black pepper - Substitute with white pepper: White pepper offers a similar heat without altering the color of the dish, making it ideal for creamy casseroles.
Alternative Recipes Similar to This Casserole
How to Store or Freeze This Casserole
Allow the casserole to cool completely at room temperature before storing. This prevents condensation from forming inside the storage container, which could make the potatoes soggy.
Transfer the casserole to an airtight container or cover the baking dish tightly with plastic wrap or aluminum foil. This helps maintain the freshness and flavor of your loaded baked potato casserole.
Store the casserole in the refrigerator if you plan to enjoy it within 3 to 4 days. This keeps the sour cream and cheddar cheese from spoiling and ensures the bacon remains crispy.
For longer storage, consider freezing the casserole. Wrap it tightly in a layer of plastic wrap followed by a layer of aluminum foil to prevent freezer burn and preserve the cheesy goodness.
Label the container with the date to keep track of its freshness. The casserole can be frozen for up to 2 months without losing its delightful texture and taste.
When ready to enjoy, thaw the casserole in the refrigerator overnight. This gradual thawing helps maintain the creamy consistency of the sour cream and the smoothness of the mashed potatoes.
Reheat the casserole in a preheated oven at 350°F (175°C) for about 20-30 minutes, or until heated through. This ensures the cheese melts perfectly and the bacon regains its crispiness.
For a quick reheating option, use the microwave. Place a portion of the casserole on a microwave-safe plate, cover it with a microwave-safe lid or another plate, and heat on medium power in 1-minute intervals until warmed through.
How to Reheat Leftovers
Oven Method: Preheat your oven to 350°F (175°C). Place the casserole in an oven-safe dish and cover it with foil to prevent drying out. Heat for about 20-25 minutes or until the potatoes are warmed through and the cheese is melty and bubbly. For an extra crispy top, remove the foil for the last 5 minutes.
Microwave Method: Scoop a portion of the casserole onto a microwave-safe plate. Cover it with a microwave-safe lid or another plate to trap moisture. Heat on medium power for 2-3 minutes, checking and stirring halfway through to ensure even heating. Add a sprinkle of cheese on top for a fresh melty layer.
Stovetop Method: Place a non-stick skillet over medium heat. Add a small amount of butter or olive oil to the pan. Add the casserole and cover with a lid. Stir occasionally, heating for about 10 minutes until the potatoes are hot and the bacon is crisped up again.
Air Fryer Method: Preheat your air fryer to 350°F (175°C). Place a portion of the casserole in the basket, ensuring it’s not too thickly layered. Heat for about 8-10 minutes, shaking the basket halfway through to ensure even heating. This method will give you a delightfully crispy top layer.
Slow Cooker Method: Transfer the casserole to your slow cooker. Set it on low heat and cover. Allow it to warm for about 1-2 hours. This method is perfect for keeping the casserole warm for a gathering without drying it out.
Essential Tools for Making This Casserole
Oven: Used to bake the casserole at a consistent temperature of 375°F (190°C) to achieve a golden brown and bubbly top.
Large pot: Essential for boiling the potatoes until they are tender, which is the first step in preparing the casserole.
Potato masher: Utilized to mash the boiled potatoes into a smooth consistency before mixing in other ingredients.
Mixing spoon: Handy for stirring in the sour cream, cheddar cheese, bacon, green onions, salt, and pepper into the mashed potatoes.
Greased baking dish: The vessel in which the potato mixture is transferred and baked to form the casserole.
Measuring cups: Necessary for accurately measuring ingredients like sour cream, cheddar cheese, and bacon to ensure the right balance of flavors.
Knife: Used for chopping the green onions and for any other necessary cutting tasks.
Cutting board: Provides a safe and stable surface for chopping the green onions.
Colander: Useful for draining the boiled potatoes after cooking them in the large pot.
How to Save Time on Making This Casserole
Pre-cook the bacon: Cook and crumble bacon in advance, storing it in the fridge until needed. This saves time and adds flavor quickly.
Use instant potatoes: Substitute fresh potatoes with instant mashed potatoes to cut down on prep and cooking time.
Shred cheese ahead: Shred cheddar cheese in advance and store it in an airtight container to streamline assembly.
Batch chop onions: Chop green onions in bulk and freeze them, so you always have some ready to use.
One-pot cooking: Use the same pot for boiling and mashing potatoes to reduce cleanup time.

Loaded Baked Potato Casserole Recipe
Ingredients
Main Ingredients
- 6 large potatoes peeled and cubed
- 1 cup sour cream
- 1 cup cheddar cheese shredded
- ½ cup bacon cooked and crumbled
- ¼ cup green onions chopped
- 1 teaspoon salt
- ½ teaspoon black pepper
Instructions
- Preheat your oven to 375°F (190°C).
- Boil the potatoes in a large pot of salted water until tender, about 15 minutes. Drain and return to the pot.
- Mash the potatoes until smooth. Stir in the sour cream, cheddar cheese, bacon, green onions, salt, and pepper.
- Transfer the potato mixture to a greased baking dish. Bake for 45 minutes, or until the top is golden brown and bubbly.
- Let cool for a few minutes before serving. Enjoy!
Nutritional Value
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Suggested Appetizers and Desserts
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