Loaded Baked Potato Casserole
This Loaded Baked Potato Casserole is the ultimate cheesy, bacon-packed comfort food that feeds a crowd — creamy mashed potatoes baked to golden perfection with all your favorite baked potato toppings piled right in.
Picture this: it’s a chilly Sunday, the whole family’s coming over, and you need something that’s going to make everyone go quiet for a few minutes — that good kind of quiet where the only sound is forks scraping plates. That’s exactly what this casserole does. It’s got all the cozy, indulgent vibes of a loaded baked potato, but way easier to make for twelve people without losing your mind.
Table of Contents
What Makes This Casserole So Good
This is your classic loaded baked potato side dish, but leveled up into one big, shareable bake. We’re talking fluffy russet potatoes mashed with butter, cream cheese, and sour cream, then loaded up with cheddar and bacon, baked until bubbly, and finished with fresh green onions. It’s rich, it’s savory, and it disappears fast — so maybe consider making two.
No fussy techniques here. This easy loaded baked potato casserole comes together with simple ingredients you probably already have, and it plays nicely with just about any main dish — think roast chicken, grilled steak, or alongside a quick corned beef hash for a seriously satisfying spread.
Ingredients
Main Ingredients
| Ingredient | Amount |
|---|---|
| Large russet potatoes | 6 |
| Unsalted butter | 1/4 cup |
| Cream cheese | 4 oz |
| Sour cream | 2/3 cup |
| Milk | 1/2 cup |
| Garlic powder | 1/2 teaspoon |
| Salt and pepper | To taste |
Toppings & Mix-Ins
| Ingredient | Amount |
|---|---|
| Shredded cheddar cheese | 2 cups (divided) |
| Cooked and crumbled bacon | 1 1/2 cups (divided) |
| Diced green onions | 1/4 cup |
How to Make Loaded Baked Potato Casserole
Step 1: Preheat and Prep
Crank your oven to 375°F and give a 9×13 casserole dish a good spray with nonstick cooking spray. This step matters — nobody wants cheesy potato stuck to the bottom of their dish. Trust me on this one.
Step 2: Boil the Potatoes
Wash, peel, and dice your russet potatoes into roughly even chunks, then drop them into a large pot. Cover with cold water, bring to a boil, and cook until the potatoes are fork-tender — usually about 15–20 minutes. You want them soft all the way through, not crunchy in the middle.
Tip: Starting with cold water (instead of boiling) helps the potatoes cook more evenly. No one wants a mushy outside and a raw center!
Step 3: Mash It All Together
Drain the potatoes and put them back in the pot — off the heat. Now fold in the butter, cream cheese, sour cream, and milk. Go gentle here; you’re going for creamy and fluffy, not a gluey paste. The cream cheese is your secret weapon for that extra-rich texture that takes this cheesy potato bake to another level.
Note: If your cream cheese is straight from the fridge, let it sit out for 10 minutes first. It’ll blend in way smoother.
Step 4: Add the Good Stuff
Now stir in the garlic powder, salt, and pepper. Then fold in 1 1/2 cups of the cheddar and 1 cup of the bacon. Give it a taste — this is the moment where you’re allowed to eat directly from the pot. Season to your heart’s content.
Pour the whole glorious mixture into your prepared casserole dish and spread it out evenly.
Step 5: Top and Bake
Scatter the remaining 1/2 cup cheddar and 1/2 cup bacon over the top. Slide it into the oven and bake for 25–30 minutes, until the cheese is melted and golden and the edges are just starting to bubble. Your kitchen is going to smell incredible right about now.
Step 6: Finish and Serve
Pull the casserole out of the oven and immediately scatter those diced green onions over the top. They add a fresh, slightly sharp pop that cuts through all that richness perfectly. Serve hot and watch it disappear.
Expert Tips, Variations & Troubleshooting
Tips for the Creamiest Result
Don’t overmix your potatoes — seriously, put down the hand mixer. Overworking them releases too much starch and you’ll end up with a gluey texture instead of fluffy clouds of potato goodness. A gentle fold with a spatula or wooden spoon is all you need.
Using full-fat dairy makes a big difference here. Low-fat sour cream or cream cheese will still work, but the richness won’t be quite the same. This is comfort food — not the time to go lite.
Fun Variations to Try
Want to make this a full meal? Stir in some diced rotisserie chicken or crumbled sausage right along with the bacon. It bulks it up beautifully and suddenly you’ve got dinner, not just a side.
For a spicy kick, swap half the cheddar for pepper jack cheese and add a pinch of smoked paprika. You’ll get this gorgeous smoky warmth that pairs really well with the creamy potato base — kind of like a loaded baked potato met a jalapeño popper and decided to move in together.
Troubleshooting
Casserole seems too thick? Add a splash more milk when you’re mixing — potatoes can vary a lot in how much liquid they absorb depending on size. You want it spoonable, not stiff.
Cheese not browning on top? Pop it under the broiler for the last 2–3 minutes. Keep an eye on it though — there’s a fine line between “gorgeous golden brown” and “well, we’re ordering pizza.”
Storage Instructions
| Method | Duration | Notes |
|---|---|---|
| Refrigerator | 3–4 days | Store in an airtight container or cover the casserole dish tightly |
| Freezer | Up to 2 months | Freeze before adding green onion topping; thaw overnight in fridge |
Reheating
To reheat, cover with foil and warm in a 350°F oven for about 20 minutes until heated through. For a single serving, the microwave works fine — just add a little splash of milk and stir halfway through to keep it from drying out.
No-Waste Kitchen Ideas
Leftover casserole makes an absolutely killer loaded potato soup — just add it to a pot with some chicken broth, warm it through, and you’ve got lunch sorted. You can also stuff leftovers into a tortilla with some hot sauce for a next-day breakfast burrito that honestly might be better than the original.
Nutritional Information
Based on 12 servings. Values are approximate.
| Nutrient | Per Serving |
|---|---|
| Calories | ~340 kcal |
| Carbohydrates | 28g |
| Protein | 12g |
| Fat | 20g |
| Saturated Fat | 11g |
| Fiber | 2g |
| Sodium | ~480mg |
Frequently Asked Questions
Can I make this loaded baked potato casserole ahead of time?
Absolutely — this is actually one of those dishes that benefits from being made ahead. Assemble the whole thing, cover it tightly, and refrigerate it for up to 24 hours before baking. Just add about 10 extra minutes to the bake time since it’ll be going in cold from the fridge.
What’s the best potato to use for this casserole?
Russet potatoes are the move here. They’re starchy and fluffy when cooked, which gives you that light, cloud-like mashed potato texture. Waxy potatoes like Yukon Golds can work in a pinch but they hold together more densely — still tasty, just a different vibe.
Can I make this vegetarian?
Totally! Just skip the bacon or swap it for a smoky veggie bacon alternative. You could also sub in caramelized onions or roasted mushrooms for that savory depth — it’ll still be a knockout cheesy potato bake without the meat.
Can I double this recipe for a bigger crowd?
Yes! Just use two 9×13 casserole dishes and bake them side by side. This easy loaded baked potato casserole scales up really well — it’s basically made for feeding crowds, potlucks, holiday dinners, and those situations where you genuinely don’t know how many people are showing up.
What goes well with this as a main dish pairing?
So many things! It’s a natural match alongside quick and easy spaghetti and meat sauce for a hearty dinner, or serve it as a side for a special occasion next to something like Mother’s Day mini cakes for dessert. Honestly, this loaded baked potato side dish earns its spot at any table.
This casserole is one of those recipes that earns a permanent spot in your rotation — low effort, huge payoff, and genuinely crowd-pleasing every single time. Once you make it, you’ll find yourself coming back to it for every potluck, holiday dinner, and “I need to bring something impressive” moment.
Give it a try and let me know how it goes! Drop a comment below with your thoughts, any fun twists you made, or how fast it disappeared at your table. And if you loved it, I’d seriously appreciate a save or share on Pinterest — it helps more people find this recipe and honestly makes my day.
While you’re here, you might also love these lemon raspberry bars for a sweet finish, or check out this raspberry tiramisu if you’re feeling fancy for dessert. Happy cooking!
The Most Irresistible Loaded Baked Potato Casserole
Equipment
- 9×13 casserole dish
- Large pot
- Colander
- Spatula or wooden spoon
- Nonstick cooking spray
Ingredients
Main Ingredients
- 6 large russet potatoes washed, peeled, and diced
- ¼ cup unsalted butter
- 4 oz cream cheese softened
- ⅔ cup sour cream
- ½ cup milk
- ½ tsp garlic powder
- salt and pepper to taste
Toppings & Mix-Ins
- 2 cups cheddar cheese shredded, divided — 1½ cups mixed in, ½ cup for topping
- 1 ½ cups bacon cooked and crumbled, divided — 1 cup mixed in, ½ cup for topping
- ¼ cup green onions diced, for garnish
Instructions
- Preheat your oven to 375°F and spray a 9×13 casserole dish generously with nonstick cooking spray. This step matters — nobody wants cheesy potato stuck to the bottom of their dish.
- Wash, peel, and dice your russet potatoes into roughly even chunks, then place them in a large pot. Cover with cold water, bring to a boil, and cook until the potatoes are completely fork-tender, about 15–20 minutes.
- Drain the potatoes and return them to the now-empty pot off the heat. Gently fold in the butter, cream cheese, sour cream, and milk until smooth and creamy. Avoid overmixing — you want fluffy, not gluey.
- Stir in the garlic powder, salt, and pepper. Then fold in 1½ cups of the shredded cheddar and 1 cup of the crumbled bacon. Taste and adjust seasoning as needed. Pour the mixture into the prepared casserole dish and spread evenly.
- Scatter the remaining ½ cup cheddar and ½ cup bacon evenly over the top. Bake uncovered for 25–30 minutes, until the cheese is melted and golden and the edges are bubbling.
- Remove the casserole from the oven and immediately top with diced green onions. Serve hot and enjoy!
