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If you’re craving comfort food with a little extra flair, you are going to love this Twice Baked Potato Casserole Recipe. This dish takes the warm, fluffy goodness of baked potatoes and transforms it into a creamy, cheesy, bacon-studded casserole that feels like a big hug on a plate. Rich sour cream and buttery potatoes blend perfectly with sharp cheddar and crispy bacon, delivering layers of flavor and texture that everyone will rave about. It’s a crowd-pleaser that’s just as great for a family dinner as it is for holiday gatherings.

Ingredients You’ll Need
Gathering the ingredients for this Twice Baked Potato Casserole Recipe is delightfully simple, yet each plays a critical role in crafting that velvety texture and irresistible taste. From the creamy butter and sour cream to the crispy bacon and sharp cheese, every element sings in perfect harmony.
- 1/2 pound bacon: Adds smoky, crispy bites that bring a satisfying crunch and savory depth.
- 8 medium russet potatoes: The sturdy, starchy foundation that bakes up fluffy and smooth once mashed.
- 3/4 cup salted butter (softened): Enhances richness and helps create that silky potato texture.
- 1 cup sour cream: Brings tanginess and creamy moisture for perfect potato mash consistency.
- 1 cup milk (2% recommended): Lightens the mixture while keeping it smooth and luscious.
- 2 cups shredded mild cheddar cheese: Melts over the top for gooey, cheesy goodness everyone loves.
- 2 teaspoons seasoned salt: Elevates flavor with a blend of herbs and spices beyond plain salt.
- 1/2 teaspoon pepper: Adds just the right subtle kick to balance the richness.
- 2 green onions (sliced): Provides a fresh, mild bite for garnish and contrast.
How to Make Twice Baked Potato Casserole Recipe
Step 1: Prepare and Bake the Potatoes
Begin by preheating your oven to 400 degrees F to get it ready for perfectly baked potatoes. While waiting, soften your butter, sour cream, and milk so they blend seamlessly later on. Wash and scrub your russet potatoes well, then poke a few holes with a fork to allow steam to escape. Place them on the oven’s center rack and bake for 45 minutes, or until a fork slides in easily, signaling they’re fork tender. Handle these hot spuds carefully once done, as they’ll be piping hot straight from the oven. Lower the oven temperature to 350 degrees F for the next steps.
Step 2: Cook and Prepare the Bacon
While the potatoes are baking, crisp up your bacon over low heat in a large skillet. Cooking slowly ensures the bacon becomes perfectly crunchy without burning. Transfer the cooked bacon onto paper towels to drain excess grease and cool down. After cooling, chop it into small, bite-sized pieces that will sprinkle delicious crunch throughout your casserole.
Step 3: Mash and Mix the Potato Filling
Once the potatoes are cool enough to handle, peel off their skins and place the fluffy insides into a large mixing bowl. Mash them thoroughly with a potato masher until smooth. Stir in the softened butter, sour cream, and milk to create a creamy, dreamy base. Mix in half of the chopped bacon to infuse that smoky flavor right into the heart of the dish. Season with seasoned salt and pepper to taste, ensuring every bite is perfectly balanced.
Step 4: Assemble and Bake the Casserole
Grease a 9×13 inch baking dish and spread the luscious potato mixture evenly across it. Then, shower the top layer generously with shredded cheddar cheese followed by the remaining crispy bacon pieces. Bake uncovered for 25 minutes at 350 degrees F until the casserole is heated through and the cheese is melted, bubbly, and lightly golden. Remove from the oven and let it rest for about 5 minutes to allow everything to settle beautifully before serving.
Step 5: Final Touches and Serving
Just before serving, sprinkle the casserole with sliced green onions. Their fresh, subtle onion flavor complements the rich, cheesy filling perfectly, adding a pop of color and brightness to each plate.
How to Serve Twice Baked Potato Casserole Recipe
Garnishes
Top your Twice Baked Potato Casserole Recipe with freshly sliced green onions for crunch and a mild onion bite. If you want to go a little further, a dollop of sour cream or a sprinkle of crispy shallots elevates each serving with extra flair and texture.
Side Dishes
This hearty casserole pairs wonderfully with crisp garden salads or steamed green vegetables like broccoli or green beans to balance its rich, cheesy flavor. For a full plate, add grilled chicken or roasted pork for a comforting, crowd-pleasing meal.
Creative Ways to Present
Serve the casserole family-style in a rustic baking dish for a cozy feel. Alternatively, spoon servings into individual ramekins and garnish with extra bacon and green onions for an elegant, personalized presentation that will wow your guests.
Make Ahead and Storage
Storing Leftovers
Cool your Twice Baked Potato Casserole Recipe completely before transferring leftovers into an airtight container. Store in the refrigerator for 3 to 4 days. This way, all those delicious flavors have time to meld even more, making each bite just as delightful when reheated.
Freezing
You can freeze this casserole! For best results, prepare and bake it fully, then allow it to cool before wrapping tightly with plastic wrap and aluminum foil. Freeze for up to 2 months. When ready to enjoy, thaw overnight in the fridge before reheating to preserve the creamy texture and cheesy topping.
Reheating
Reheat your leftovers in a 350 degrees F oven for about 20 minutes or until heated through and the cheese bubbles again. Cover with foil during reheating if you want to prevent the cheese from over-browning. This method keeps the casserole moist and satisfying, just like the first time.
FAQs
Can I use sweet potatoes instead of russet potatoes for this recipe?
While russet potatoes give the best fluffy texture for this casserole, sweet potatoes can be used for a sweeter and creamier variation. Keep in mind the flavor profile and seasoning might need slight adjustments to complement the natural sweetness.
Can I make the casserole vegetarian?
Absolutely! Omit the bacon or substitute it with plant-based bacon alternatives or smoked paprika for that smoky flavor. The rest of the ingredients wonderfully support the dish’s richness and texture without meat.
Is it okay to use sharp cheddar instead of mild cheddar?
Yes, sharp cheddar will add a punchier and tangier flavor. If you prefer a more robust cheese taste, sharp cheddar is an excellent choice, but mild cheddar keeps it more delicate and creamy for those who want a subtler cheese presence.
How can I make this Twice Baked Potato Casserole Recipe gluten-free?
This recipe is naturally gluten-free since it contains no flour or gluten-containing ingredients. Just make sure any seasoning blends you use, such as the seasoned salt, don’t contain additives with gluten.
Can I prepare this dish ahead of time and bake it later?
Yes, you can prepare the potato mixture and assemble the casserole up to a day in advance. Cover it tightly and refrigerate until ready to bake. Add a few extra minutes to the baking time if baking straight from the fridge.
Final Thoughts
This Twice Baked Potato Casserole Recipe is a delicious way to elevate a humble potato into an unforgettable meal centerpiece. It’s creamy, cheesy, and loaded with crispy bacon bits that make every bite a joyous celebration of comfort food at its best. I can’t wait for you to try this recipe and see how it quickly becomes a staple in your kitchen too!
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Twice Baked Potato Casserole Recipe
- Prep Time: 15 minutes
- Cook Time: 1 hour 30 minutes
- Total Time: 1 hour 45 minutes
- Yield: 10 servings
- Category: Casserole
- Method: Baking
- Cuisine: American
Description
This Twice Baked Potato Casserole is a comforting and cheesy dish featuring creamy mashed potatoes mixed with sour cream, butter, and milk, layered with crispy bacon and melted cheddar cheese. Perfect for a hearty side or satisfying main, it’s baked until bubbly and topped with fresh green onions for a flavorful finish.
Ingredients
Potatoes & Dairy
- 8 medium russet potatoes
- 3/4 cup salted butter (softened)
- 1 cup sour cream
- 1 cup milk (2%)
- 2 cups shredded mild cheddar cheese
Bacon & Seasoning
- 1/2 pound bacon
- 2 teaspoons seasoned salt
- 1/2 teaspoon pepper
- 2 green onions (sliced)
Instructions
- Preheat Oven and Prepare Dairy: Preheat the oven to 400 degrees F. Leave the butter, sour cream, and milk out at room temperature to soften so they mix easily into the potatoes later.
- Bake Potatoes: Clean and scrub the potatoes well. Poke several holes in each potato with a fork. Place them on the center rack of the oven and bake for 45 minutes or until a fork slides in easily. Carefully remove the hot potatoes from the oven and reduce the oven temperature to 350 degrees F.
- Cook Bacon: While the potatoes bake, cook the bacon in a large skillet over low heat until it is crispy. Remove the bacon carefully and drain it on paper towels to remove excess grease. Once cooled, chop the bacon into small pieces and set aside.
- Prepare Potato Mixture: Peel the skins off the baked potatoes and transfer the flesh into a large bowl. Mash the potatoes with a potato masher. Add the softened butter, sour cream, and milk, and continue mashing until smooth and combined. Stir in half of the chopped bacon along with the seasoned salt and pepper.
- Assemble and Bake Casserole: Grease a 9×13-inch baking dish and spread the potato mixture evenly inside. Sprinkle the shredded cheddar cheese over the top, then add the remaining bacon pieces. Bake uncovered at 350 degrees F for 25 minutes or until the casserole is hot and the cheese is bubbly.
- Finish and Serve: Remove the casserole from the oven and let it stand for about 5 minutes to set. Sprinkle the sliced green onions over the top before serving. Enjoy your warm, cheesy twice baked potato casserole!
Notes
- For a smokier flavor, use smoked cheddar cheese.
- You can substitute Greek yogurt for sour cream for a tangier taste and added protein.
- Leftover casserole can be reheated in the oven or microwave.
- For a vegetarian version, omit the bacon and consider adding sautéed mushrooms or caramelized onions instead.

