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Twice Baked Potato Casserole

Cheesy twice baked potato casserole topped with bacon and green onions in a baking dish
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This rich and creamy Twice Baked Potato Casserole turns a comfort classic into an easy, crowd-pleasing dish, perfect for holidays, potlucks, or weeknight dinners. Cheesy, buttery mashed potatoes meet crispy bacon, sour cream, and green onions in this make-ahead friendly casserole.

Ingredients

Scale
  • 6 large russet potatoes
  • 1 cup sour cream
  • 1/2 cup milk
  • 4 tablespoons butter
  • 2 cups shredded cheddar cheese, divided
  • 6 slices bacon, cooked and crumbled
  • 1/2 teaspoon garlic powder
  • Salt and pepper, to taste
  • 3 green onions, sliced

Instructions

  1. Preheat oven to 350°F (175°C). Grease a 9×13-inch baking dish.
  2. Peel and cube the potatoes. Boil until fork-tender, then drain and mash.
  3. Mix in sour cream, milk, butter, 1 1/2 cups of cheese, garlic powder, salt, and pepper.
  4. Fold in crumbled bacon (reserving some for topping) and green onions (reserving some for garnish).
  5. Spread the mixture evenly in the prepared baking dish.
  6. Top with remaining cheese and reserved bacon.
  7. Bake for 20-25 minutes, until cheese is melted and bubbly.
  8. Garnish with remaining green onions before serving.

Notes

To make ahead, assemble and refrigerate up to 2 days in advance. Bake just before serving. Customize with your favorite cheese, veggies, or protein.

Nutrition

Keywords: potato casserole, baked potatoes, twice baked, comfort food, holiday side dish

Find it online: https://alexandrarecipes.com/twice-baked-potato-casserole/