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Twice Baked Potato Casserole


Twice Baked Potato Casserole is a delicious and comforting dish that combines all the flavors of traditional twice-baked potatoes in an easy-to-make casserole. Perfect for family dinners, potlucks, or holiday gatherings, this recipe is sure to be a hit. Let’s dive into the step-by-step process of making this scrumptious casserole.



  • 6 large russet potatoes
  • 1 cup sour cream
  • 1/2 cup unsalted butter, melted
  • 1 cup shredded cheddar cheese, divided
  • 1/2 cup shredded mozzarella cheese
  • 1/4 cup grated Parmesan cheese
  • 1/2 cup cooked bacon, crumbled
  • 1/4 cup chopped green onions
  • 1/4 cup milk
  • 1 teaspoon garlic powder
  • 1 teaspoon onion powder
  • Salt and pepper to taste
  • Additional bacon, cheese, and green onions for garnish


Step 1: Bake the Potatoes

  1. Preheat the Oven:
    • Preheat your oven to 400°F (200°C).
  2. Prepare the Potatoes:
    • Wash and scrub the russet potatoes thoroughly. Pierce each potato several times with a fork.
  3. Bake the Potatoes:
    • Place the potatoes directly on the oven rack and bake for 1 hour, or until they are tender when pierced with a fork. Remove from the oven and let them cool slightly.

Step 2: Prepare the Potato Mixture

  1. Scoop Out the Potatoes:
    • Once the potatoes are cool enough to handle, cut them in half and scoop out the flesh into a large mixing bowl, leaving a small border of potato in the skins if you want to use them for another recipe.
  2. Mash the Potatoes:
    • Using a potato masher or an electric mixer, mash the potato flesh until smooth.
  3. Add Ingredients:
    • Add the sour cream, melted butter, 3/4 cup of shredded cheddar cheese, mozzarella cheese, Parmesan cheese, crumbled bacon, chopped green onions, milk, garlic powder, onion powder, salt, and pepper to the mashed potatoes. Mix until well combined.

Step 3: Assemble and Bake the Casserole

  1. Transfer to Baking Dish:
    • Spread the potato mixture evenly into a greased 9×13-inch baking dish.
  2. Add Toppings:
    • Sprinkle the remaining 1/4 cup of shredded cheddar cheese on top of the casserole.
  3. Bake:
    • Bake in the preheated oven for 20-25 minutes, or until the cheese is melted and bubbly.

Step 4: Serve

  1. Garnish and Serve:
    • Remove the casserole from the oven and let it cool slightly before serving. Garnish with additional crumbled bacon, chopped green onions, and extra cheese if desired. Serve hot and enjoy!

Cook Notes and Variations

Cook Notes:

  • Potatoes: Russet potatoes are ideal for this recipe due to their starchy texture, which results in a fluffy and creamy consistency.
  • Cheese: Use freshly shredded cheese for the best melting quality and flavor.


  • Vegetarian Option:
    • Omit the bacon and add sautéed vegetables such as bell peppers, mushrooms, or spinach for a vegetarian version.
  • Spicy Kick:
    • Add a pinch of cayenne pepper or red pepper flakes to the potato mixture for a spicy variation.
  • Loaded Casserole:
    • Add additional toppings like chopped jalapeños, olives, or diced tomatoes for a loaded baked potato casserole.

Frequently Asked Questions (FAQs)

1. Can I make this casserole ahead of time?

Yes, you can assemble the casserole ahead of time and refrigerate it for up to 24 hours before baking. When ready to bake, remove it from the refrigerator and bake as directed.


2. How do I store leftovers?

Store any leftover casserole in an airtight container in the refrigerator for up to 3 days. Reheat in the microwave or oven before serving.


3. Can I freeze Twice Baked Potato Casserole?

Yes, you can freeze the casserole. Allow it to cool completely, then transfer it to a freezer-safe container and freeze for up to 3 months. Thaw in the refrigerator overnight and reheat before serving.


4. What can I serve with Twice Baked Potato Casserole?

This dish pairs well with grilled meats, roasted vegetables, or a fresh green salad.


5. Can I use different types of cheese?

Yes, you can substitute or add other cheeses like gouda, fontina, or Monterey Jack for a different flavor profile.

The Comfort of Twice Baked Potato Casserole

Twice Baked Potato Casserole is a comforting and flavorful dish that brings warmth and satisfaction with every bite. The combination of creamy potatoes, melted cheese, crispy bacon, and fresh green onions creates a dish that is both hearty and delicious. This recipe is perfect for family dinners, gatherings, or any time you crave a comforting and flavorful meal.


Tips for Success

  1. Bake Potatoes Properly: Ensure the potatoes are fully cooked and tender before scooping out the flesh.
  2. Mix Thoroughly: Mix the potato mixture well to ensure even distribution of ingredients and a creamy texture.
  3. Top Generously: Don’t skimp on the toppings—extra cheese, bacon, and green onions add great flavor and presentation.

Twice Baked Potato Casserole is a delicious and comforting dish that is perfect for any occasion. With its combination of creamy potatoes, crispy bacon, and melted cheese, this recipe is sure to be a hit with family and friends. Whether you’re making it for a cozy dinner or a special gathering, this dish is simple to prepare and full of delicious flavors. Give this Twice Baked Potato Casserole recipe a try and enjoy a satisfying and hearty meal. Happy cooking!