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Ultimate Loaded Twice Baked Potato Casserole

Two halves of a loaded potato casserole topped with melted cheddar cheese, bacon bits, and green onions.

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Make this rich, creamy potato casserole featuring sharp cheddar cheese and crispy bacon. It is the ultimate comfort food side dish for holidays or weeknight dinners.

Ingredients

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  • 3 lbs Russet potatoes, scrubbed
  • 1 cup whole milk, warmed
  • 8 tablespoons unsalted butter, softened
  • 1 cup sour cream
  • 1 cup shredded sharp cheddar cheese, plus 1 cup for topping
  • 4 slices bacon, cooked and crumbled
  • 2 large eggs, lightly beaten
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1/2 cup green onions, sliced, for garnish

Instructions

  1. Preheat your oven to 375 degrees Fahrenheit. Lightly grease a 9×13 inch baking dish.
  2. Bake the potatoes directly on the oven rack for 60 to 75 minutes, or until the skins are crisp and the insides are tender.
  3. Carefully slice the potatoes in half lengthwise. Scoop the flesh into a large bowl, leaving about a quarter-inch of potato inside the skin. Set the empty skins aside for now.
  4. Add the warm milk, butter, sour cream, 1 cup of cheddar cheese, salt, and pepper to the potato flesh. Mash until smooth and creamy.
  5. Stir in the beaten eggs and crumbled bacon. Mix until just combined. Do not overmix.
  6. Spoon the potato mixture back into the reserved potato skins. Place the filled skins into the prepared baking dish.
  7. Top the filled skins evenly with the remaining 1 cup of cheddar cheese.
  8. Bake for 20 to 25 minutes, or until the cheese is melted and bubbly and the edges are lightly browned.
  9. Let the casserole cool for 5 minutes before garnishing with sliced green onions. Serve warm.

Notes

  • For a make-ahead option, prepare the casserole through step 6, cover, and refrigerate for up to 24 hours. Add 10 to 15 minutes to the baking time if baking directly from the refrigerator.
  • You can substitute frozen shredded hashbrowns for the baked potatoes if you prefer a Hashbrown Casserole style. Thaw and drain them well before mixing.
  • Use smoked bacon for an extra layer of flavor in this cheesy potato bake.

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