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Twice Baked Potato Casserole Recipe

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Twice Baked Potato Casserole combines the best flavors of twice-baked potatoes into a simple, cheesy casserole. With creamy potatoes, savory beef, tangy sour cream, and melty cheese, this comforting dish is perfect for potlucks, family dinners, and holidays.

Ingredients

4 medium russet potatoes (or Yukon golds)

2 tablespoons olive oil

1 tablespoon kosher salt (for seasoning the potatoes)

1/2 cup cooked and crumbled beef

2 cups shredded sharp cheddar cheese

1/2 cup mayonnaise

1/2 cup sour cream

3 green onions, sliced

Salt and pepper, to taste

Instructions

  • Preheat the oven to 400°F (200°C). Rub the potatoes with olive oil and kosher salt, and place them on a baking sheet. Bake for 1 hour, or until fork-tender.

  • Cool and Cube: Once the potatoes are baked, let them cool for a few minutes before cutting them into cubes.

  • Reduce Oven Temperature: Preheat the oven to 350°F (175°C).

  • Prepare Mixture: In a large bowl, combine the cubed potatoes, mayonnaise, sour cream, 1 cup of shredded cheese, crumbled beef, and sliced green onions. Season with salt and pepper to taste.

  • Assemble the Casserole: Transfer the potato mixture to a 9x9 or 9x13-inch baking dish. Top with the remaining shredded cheese and beef.

  • Bake: Cover with foil and bake for 30 minutes. Remove the foil for the last 10 minutes to allow the cheese to melt and the top to crisp up.

  • Garnish: Sprinkle with remaining green onions before serving.

Notes

  • Vegetarian Version: Skip the beef and add extra vegetables such as broccoli or bell peppers.

  • Spicy Twist: Add diced jalapeños for a bit of heat.

  • Cheese Variations: Swap sharp cheddar for mozzarella, gouda, or pepper jack for a different flavor profile.

  • Freezing: You can freeze this casserole for up to 3 months. Thaw overnight and bake as directed.

  • Storage: Store leftovers in an airtight container in the fridge for 3-4 days.