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Ultimate Loaded Mashed Potato Casserole 4 Ways

Loaded Mashed Potato Casserole

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This Loaded Mashed Potato Casserole is a comforting and delicious holiday side dish. It’s packed with creamy mashed potatoes, savory bacon, and plenty of cheese, all baked together until golden and bubbly.

Ingredients

Scale
  • 4 pounds Russet potatoes, peeled and quartered
  • 1 cup milk
  • 1/2 cup butter
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 8 slices bacon, cooked and crumbled
  • 2 cups shredded cheddar cheese
  • 1/2 cup sour cream
  • 1/4 cup chopped green onions

Instructions

  1. Preheat your oven to 375°F (190°C).
  2. Place the peeled and quartered potatoes in a large pot and cover with cold water. Add a pinch of salt.
  3. Bring the water to a boil over medium-high heat. Cook until the potatoes are fork-tender, about 20 minutes.
  4. Drain the potatoes well and return them to the pot.
  5. Add the milk, butter, salt, and pepper to the pot with the potatoes.
  6. Mash the potatoes until smooth and creamy.
  7. Stir in the sour cream and half of the shredded cheddar cheese until well combined.
  8. Spread the mashed potato mixture into a greased 9×13 inch baking dish.
  9. Top the mashed potatoes evenly with the crumbled bacon and the remaining cheddar cheese.
  10. Bake for 20-25 minutes, or until the casserole is heated through and the cheese is melted and bubbly.
  11. Garnish with chopped green onions before serving.

Notes

  • For an extra creamy casserole, use whole milk and full-fat butter.
  • You can add other toppings like chives, garlic powder, or a pinch of paprika.
  • To make ahead, prepare the casserole up to the topping stage, cover, and refrigerate. Bake an additional 10-15 minutes.

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