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Ultimate Loaded Twice Baked Potato Casserole

A close-up, tempting shot of a serving of baked potato casserole topped with melted cheddar cheese and bacon bits.

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This recipe brings you the ultimate comfort food: a rich, cheesy baked potato casserole loaded with bacon and sour cream. It is easy to make and perfect for potlucks or holiday dinners.

Ingredients

Scale
  • 5 lbs russet potatoes
  • 1 cup milk
  • 8 tablespoons butter, softened
  • 1 cup sour cream
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1 cup shredded sharp cheddar cheese, divided
  • 4 slices bacon, cooked and crumbled
  • 1/2 cup green onions, chopped
  • 1 cup shredded Monterey Jack cheese

Instructions

  1. Preheat your oven to 375 degrees Fahrenheit. Lightly grease a 9×13 inch baking dish.
  2. Wash the potatoes well. Pierce each potato several times with a fork. Bake directly on the oven rack for 50 to 60 minutes, or until the potatoes are tender when squeezed.
  3. Let the potatoes cool slightly until you can handle them. Cut each potato in half lengthwise and scoop the flesh into a large bowl, leaving a thin shell of potato skin behind in the baking dish.
  4. Add the milk, butter, sour cream, salt, and pepper to the potato flesh. Mash until smooth and creamy.
  5. Stir in 1/2 cup of the cheddar cheese, all the crumbled bacon, and all the green onions into the mashed potato mixture. Mix until just combined.
  6. Spoon the potato mixture evenly back into the reserved potato skins in the baking dish.
  7. Top the filled skins evenly with the remaining 1/2 cup of cheddar cheese and the Monterey Jack cheese.
  8. Bake for 20 to 25 minutes, or until the cheese is melted and bubbly and the casserole is heated through.
  9. Let the casserole rest for 5 minutes before serving. You can add extra sour cream or green onions as topping if you wish.

Notes

  • You can make this casserole ahead of time. Assemble the entire dish, cover it tightly, and refrigerate for up to 24 hours before baking. Add about 10 minutes to the baking time if cooking directly from the refrigerator.
  • For the best flavor, use sharp cheddar cheese. This adds a necessary bite against the richness of the cream and butter.
  • If you want a crispier top, place the casserole under the broiler for the last 1-2 minutes, watching closely to prevent burning.

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