- Preheat oven to 375°F (190°C).
- In a large pot of salted water, boil cubed potatoes for 15–20 minutes until fork-tender.
- Drain and return potatoes to the pot.
Step 2: Make the Creamy Mixture
- Add butter, sour cream, heavy cream, salt, pepper, and garlic powder to the potatoes.
- Mash until smooth and creamy, or leave slightly chunky for texture.
- Fold in 1 cup of cheddar cheese, mozzarella cheese, bacon (if using), and half of the green onions.
Step 3: Assemble & Bake
- Spread the mashed potato mixture into a greased 9×13-inch (23×33 cm) baking dish.
- Sprinkle with the remaining ½ cup cheddar cheese and panko breadcrumbs or crushed crackers for a crispy topping.
- Bake for 20–25 minutes until golden and bubbly.
Step 4: Garnish & Serve
- Remove from oven and sprinkle with remaining green onions.
- Serve hot and enjoy the creamiest, cheesiest potato casserole ever!
Serving and Storage Tips
🥔 Best served warm as a side dish for roasts, grilled meats, or BBQ.
🥔 Store leftovers in an airtight container in the fridge for up to 4 days.
🥔 Reheat in the oven at 350°F (175°C) for 10 minutes, or microwave for a quick warm-up.
🥔 Freeze before baking for up to 2 months—thaw overnight and bake when ready.
Variants
- Loaded Baked Potato Casserole – Add extra bacon, sour cream, and chives for a fully loaded version.
- Spicy Potato Casserole – Mix in chopped jalapeños or a dash of hot sauce.
- Herb & Garlic Version – Add fresh thyme, rosemary, or roasted garlic for more flavor.
- Broccoli Cheddar Casserole – Stir in steamed broccoli florets for a veggie twist.
- Keto-Friendly Version – Use cauliflower instead of potatoes for a low-carb alternative.
FAQ
1. Can I make this ahead of time?
Yes! Assemble the casserole, cover, and refrigerate for up to 24 hours before baking.
2. What’s the best type of potato to use?
Russet potatoes work best because they are starchy and fluffy, but Yukon Golds add a creamier texture.
3. Can I make this without sour cream?
Yes! Replace sour cream with Greek yogurt, cream cheese, or extra heavy cream.
4. How do I make the top extra crispy?
Use panko breadcrumbs tossed in melted butter before baking for a golden, crispy topping.
5. Can I add protein to this casserole?
Absolutely! Mix in cooked chicken, ham, or ground sausage for a heartier meal.
Final Thoughts
This Creamy Baked Potato Casserole is rich, comforting, and packed with cheesy goodness—the perfect side dish for any occasion. Whether for a holiday feast or a cozy dinner, this dish will have everyone coming back for seconds!
