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Creamy Mashed Potato Casserole with Cheddar, Bacon, and Chives Recipe

4.8 from 128 reviews

This Mashed Potato Casserole is a creamy, cheesy dish combining tender Idaho potatoes with cream cheese, sour cream, and cheddar cheese, topped with crispy bacon and fresh chives. Perfect as a comforting side dish for gatherings or hearty family meals.

Ingredients

Scale

Potato Mixture

  • 5 lbs Idaho potatoes, peeled and cubed
  • 1 cup milk
  • 8 oz cream cheese
  • 4 tbsp butter, room temperature
  • 12 oz sour cream
  • 2 ½ tsp kosher salt
  • 1 tsp pepper
  • ½ tsp garlic powder
  • ¼ cup chives, chopped

Topping

  • 16 oz cheddar cheese, shredded
  • 6 strips of bacon, cooked and chopped

Instructions

  1. Prepare the Potatoes: Peel and cube the Idaho potatoes into evenly sized pieces to ensure they cook uniformly.
  2. Boil the Potatoes: Place the cubed potatoes into a large pot of salted water, and bring to a boil over medium-high heat. Cook until potatoes are tender when pierced with a fork, about 15-20 minutes.
  3. Drain and Mash: Drain the potatoes thoroughly and return them to the pot or a large mixing bowl. Begin mashing with a potato masher or electric mixer until smooth and creamy.
  4. Add Creamy Ingredients: Add cream cheese, sour cream, butter, and milk to the mashed potatoes. Mix thoroughly until the mixture is smooth and well combined.
  5. Season the Mixture: Stir in kosher salt, pepper, garlic powder, and chopped chives, adjusting seasoning to taste.
  6. Assemble the Casserole: Transfer the mashed potato mixture into a greased casserole dish, spreading it out evenly.
  7. Add Toppings: Sprinkle the shredded cheddar cheese evenly over the top, followed by the cooked and chopped bacon pieces.
  8. Bake the Casserole: Preheat the oven to 350°F (175°C) and bake the casserole uncovered for 25-30 minutes, or until the cheese is melted, bubbly, and slightly golden.
  9. Serve: Allow the casserole to cool slightly before serving to let it set and enhance the flavors. Garnish with additional chopped chives if desired.

Notes

  • Use Idaho potatoes for their creamy texture and excellent mashing consistency.
  • Cook bacon until crispy for the best texture contrast in the casserole.
  • For a richer flavor, substitute whole milk with half-and-half or heavy cream.
  • Can be prepared a day in advance and refrigerated; bake just before serving.
  • For a vegetarian version, omit bacon and consider adding sautéed mushrooms or caramelized onions.

Keywords: mashed potato casserole, cheesy potatoes, creamy potato bake, bacon potato casserole, comfort food side dish