Loaded Baked Potato Casserole

This Loaded Baked Potato Casserole is the kind of dish that makes everyone push back from the table with a happy sigh. I’m Linda Sandra — a Charleston home cook who believes comfort food should be simple, cozy, and absolutely worth every bite.

This recipe brings together all the best parts of a classic loaded baked potato — creamy mashed russet potatoes, melty cheddar, crispy bacon, tangy sour cream, and fresh green onions — baked together in one glorious casserole dish.

I first made this for a Sunday family dinner when I needed something that could feed a crowd without keeping me in the kitchen all day. It became an instant favorite, and I’ve been making it on repeat ever since.

What This Recipe Delivers

This easy loaded baked potato casserole recipe feeds 12 in about an hour. It layers fluffy mashed russet potatoes with cream cheese, sour cream, cheddar, and bacon, then bakes everything until golden and bubbly.

It’s rich, creamy, crowd-pleasing, and comes together with simple pantry staples. Perfect for weeknight dinners, holidays, or potlucks.

Nutritional Peek

Here’s an approximate nutritional breakdown per serving of this loaded baked potato side dish. Values will vary slightly based on your specific brands and ingredient amounts.

Nutrient	Amount Per Serving
Calories	~340 kcal
Protein	13 g
Carbohydrates	28 g
Total Fat	20 g
Fiber	2 g
Sugar	2 g

Ingredients

For this easy loaded baked potato casserole, you’ll want to gather your dairy crew first — that’s the unsalted butter, cream cheese, sour cream, and milk. Make sure your cream cheese is softened so it blends in smoothly without lumps.

For the toppings and mix-ins, you’ve got shredded cheddar, cooked bacon, and fresh green onions. Pull those together while your potatoes are boiling and you’ll be totally set.

Amount	Ingredient
6 large	russet potatoes
1/4 cup	unsalted butter
4 oz	cream cheese, softened
2/3 cup	sour cream
1/2 cup	milk
1/2 tsp	garlic powder
to taste	salt and pepper
2 cups	cheddar cheese, shredded
1 1/2 cups	bacon, cooked and crumbled
1/4 cup	green onions, diced

Tools You’ll Actually Use

• 9×13 inch casserole dish
• Large pot for boiling potatoes
• Colander for draining
• Potato masher or hand mixer
• Cutting board and knife
• Vegetable peeler
• Nonstick cooking spray
• Measuring cups and spoons

Step-by-Step Instructions for Loaded Baked Potato Casserole

Ready to make this loaded baked potato casserole recipe? Let’s walk through it together, step by step.

Step 1: Preheat and prep your dish. Preheat your oven to 375 degrees F. Spray a 9×13 inch casserole dish generously with nonstick cooking spray and set it aside.

Step 2: Cook the potatoes. Wash, peel, and dice all 6 large russet potatoes into roughly equal chunks. Place them in a large pot, cover with cold water, and bring to a boil. Cook until the potatoes are fork-tender, about 15 to 20 minutes.

Step 3: Drain and start building the base. Drain the cooked potatoes and gently return them to the empty pot. Add in the 1/4 cup unsalted butter, 4 oz softened cream cheese, 2/3 cup sour cream, and 1/2 cup milk. Gently fold everything together — you want creamy, not gluey, so don’t overmix.

Step 4: Season and add mix-ins. Sprinkle in 1/2 teaspoon garlic powder, salt, and pepper to taste. Fold in 1 1/2 cups of the shredded cheddar cheese and 1 cup of the crumbled bacon. Your kitchen should already be smelling amazing at this point.

Step 5: Fill the casserole dish. Pour and spread the potato mixture evenly into your prepared 9×13 casserole dish.

Step 6: Top and bake. Sprinkle the remaining 1/2 cup cheddar and remaining 1/2 cup bacon over the top. Bake at 375 degrees F for 25 to 30 minutes, until the cheese is melted, bubbly, and slightly golden on the edges.

Step 7: Finish and serve. Pull the casserole out of the oven and scatter the 1/4 cup diced green onions over the top. Serve immediately while it’s warm and melty and absolutely irresistible.

Pro Tips for the Perfect Loaded Baked Potato Side Dish

A few little tricks can take this loaded baked potato side dish from good to absolutely outstanding. These tips are easy to follow and make a real difference in the final result.

Use softened cream cheese. Cold cream cheese will leave lumps in your potato mixture no matter how hard you fold. Pull it out of the fridge at least 30 minutes before you start cooking, and it’ll blend in like a dream.

Don’t overwork the potatoes. The biggest mistake with mashed potato casseroles is overmixing. Fold gently and stop as soon as everything is combined — overmixing activates the starch and gives you a gummy, dense texture instead of fluffy and creamy.

Shred your own cheddar. Pre-shredded cheese has a coating on it that stops it from melting as smoothly. Shredding your own from a block takes two extra minutes and makes the topping noticeably gooier and better.

Cook your bacon crispy. Soft bacon disappears into the casserole and loses its texture. Cook it until it’s properly crisp, then crumble it — you’ll get those satisfying little crunchy bites in every scoop.

Quick Fixes for Loaded Baked Potato Casserole

Even the coziest recipes can run into a little trouble. Here’s how to fix the most common hiccups.

My casserole turned out gluey or gummy. This almost always means the potatoes were overmixed. Next time, fold gently by hand with a spoon or potato masher and stop as soon as the dairy is incorporated. You can also try letting the drained potatoes steam dry for a minute before adding the mix-ins — less water means less gumminess.

The topping cheese isn’t browning. If your casserole baked through but the top looks pale, switch your oven to the broiler for 2 to 3 minutes at the very end. Keep a close eye on it — cheese goes from golden to burned fast.

My casserole is too thick. Add a splash more milk — about 2 tablespoons at a time — and gently fold it in before baking. It loosens things up without making the casserole watery.

The potatoes are bland. Seasoning potatoes properly really matters. Make sure you’re salting generously and tasting as you go. A little more garlic powder or even a pinch of onion powder can really wake up the flavor.

Variations and Adaptations

This loaded baked potato casserole recipe is wonderfully flexible. Here are a few fun ways to make it your own.

Make it gluten-free. Great news — this recipe is naturally gluten-free as written. Just double-check your bacon and cheese labels to confirm no hidden additives.

Go lighter. Swap the full-fat sour cream for a reduced-fat version and use a lighter cream cheese. The texture changes slightly but the flavor is still fantastic.

Add some heat. Stir in a pinch of cayenne pepper or fold in some diced pickled jalapenos with the bacon for a spicy loaded version.

Try different cheeses. Sharp cheddar is classic, but a blend of Monterey Jack and cheddar gives a slightly creamier, milder melt. Smoked gouda is also incredible here if you want to get a little fancy.

Make it vegetarian. Simply skip the bacon and add roasted broccoli florets or diced bell peppers for color and texture. Sprinkle smoked paprika on top to mimic that smoky depth.

Serving, Storage, and Reheating

This loaded baked potato side dish is at its absolute best served hot and fresh from the oven. Scoop it alongside a juicy roast chicken, grilled steak, or your favorite holiday main. It’s also a great potluck dish — just transport it covered and reheat at the host’s place.

Store any leftovers in an airtight container in the refrigerator for up to 4 days. If you somehow manage not to eat this all at once, press a piece of plastic wrap directly onto the surface of the casserole before lidding — it keeps the top from drying out.

To reheat, cover the casserole dish with foil and warm in a 350 degree F oven for 20 to 25 minutes until heated through. For individual portions, the microwave works great — just 2 to 3 minutes on medium heat with a damp paper towel over the top to keep it moist.

No-Waste Kitchen Magic

Got leftover loaded baked potato casserole? Here are some delicious ways to give it new life instead of letting it go to waste.

Loaded potato soup. Scoop leftovers into a pot, add chicken or vegetable broth a little at a time, and warm over medium heat, stirring until smooth. You’ve got a creamy loaded potato soup in about 10 minutes.

Breakfast potato cakes. Form cold leftover casserole into patties and pan-fry in a little butter or oil until crispy on both sides. Top with a fried egg and call it the best breakfast of the week.

Stuffed peppers. Use the potato mixture as a filling for halved bell peppers. Top with a little extra cheese and broil for 5 to 7 minutes. Wildly good.

FAQs About Loaded Baked Potato Casserole

Can I make this loaded baked potato casserole ahead of time?

Yes, absolutely. Assemble the casserole fully (without the green onion garnish), cover it tightly with plastic wrap, and refrigerate for up to 2 days. When you’re ready to bake, let it sit at room temperature for 30 minutes before popping it in the oven.

Can I freeze loaded baked potato casserole?

You can, but with one caveat — skip the green onions before freezing, as they don’t hold up well. Freeze in a tightly covered freezer-safe dish for up to 2 months. Thaw overnight in the fridge, then bake covered at 350 degrees F until heated through.

What’s the best way to store leftover loaded baked potato casserole?

Store leftovers in an airtight container in the refrigerator for up to 4 days. Press plastic wrap directly onto the surface before sealing to keep it moist and prevent the top from drying out.

How do I know when the casserole is done baking?

The casserole is done when the cheese on top is fully melted, bubbly, and starting to turn golden around the edges. The center should be hot all the way through — you can test it with a quick poke of a butter knife to check the temperature.

Why should I use russet potatoes in this loaded baked potato casserole recipe?

Russet potatoes are starchy and low in moisture, which makes them naturally fluffy and creamy when mashed — the ideal texture for this casserole. Waxy potatoes like red or Yukon gold tend to get a bit dense and gluey when mashed, so russets are really the way to go here.

More Comfort Food You’ll Love

If this casserole hit the spot, you might also want to try my cozy cinnamon roll cake for a sweet treat that’s just as easy and crowd-pleasing.

Or if you’re looking for a gorgeous dessert to round out your dinner spread, these creamy mini cheesecakes are always a massive hit and come together with very little fuss.

That’s a Wrap on Loaded Baked Potato Casserole

So there you go — a loaded baked potato casserole that feels totally indulgent but is secretly one of the easiest things you’ll ever make for a crowd.

I’d love to see your version of this loaded baked potato casserole! Drop a comment below with your photos or tag me — did you swap the cheese, add a little heat, or sneak in some extras? I bet you’ve already got amazing variations in mind.

This loaded baked potato casserole recipe is one of those dishes that earns a permanent spot in your rotation. I hope it brings as much warmth to your table as it does to mine.

I’m Linda Sandra — a Charleston home chef and comfort-food daydreamer. Around here, cooking’s not about perfection — it’s about cozy vibes, creative twists, and food that feels like love.