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Ultimate Loaded Mashed Potato Casserole

A thick slice of creamy potato casserole topped with melted cheddar cheese, bacon bits, and fresh chives.

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This recipe delivers a creamy, cheesy, bacon-packed potato casserole that is the definition of comfort food. It is simple to prepare and perfect for holidays or weeknight dinners.

Ingredients

Scale
  • 3 lbs Russet potatoes, peeled and quartered
  • 1 cup whole milk, warmed
  • 4 tablespoons unsalted butter
  • 8 ounces cream cheese, softened
  • 1 cup sour cream
  • 1 cup shredded sharp cheddar cheese, plus 1/2 cup for topping
  • 1/2 cup crumbled cooked bacon
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1/4 cup chopped fresh chives (for garnish)

Instructions

  1. Preheat your oven to 375°F (190°C). Lightly grease a 9×13 inch baking dish.
  2. Place the peeled and quartered potatoes in a large pot and cover with cold, salted water. Bring to a boil and cook until the potatoes are fork-tender, about 15 to 20 minutes.
  3. Drain the potatoes well and return them to the hot pot. Let them sit for one minute to allow excess moisture to evaporate.
  4. Add the warmed milk, butter, and cream cheese to the potatoes. Mash until mostly smooth.
  5. Stir in the sour cream, 1 cup of cheddar cheese, cooked bacon, salt, and pepper until just combined. Do not overmix; some lumps are acceptable for texture.
  6. Spread the mashed potato mixture evenly into the prepared baking dish.
  7. Sprinkle the remaining 1/2 cup of cheddar cheese over the top.
  8. Bake for 25 to 30 minutes, or until the casserole is heated through and the cheese topping is melted and lightly golden brown.
  9. Remove from the oven and let it rest for 5 minutes before garnishing with fresh chives. Serve warm.

Notes

  • For a smoother texture, use an electric mixer on low speed to combine the ingredients after draining the potatoes.
  • You can prepare this casserole up to the point of baking, cover it, and refrigerate for up to 24 hours. Add 10-15 minutes to the baking time if baking directly from the refrigerator.
  • Use crispy, thick-cut bacon for the best flavor and texture in this loaded potato bake.

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