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Leftover boiled potato casserole topped with chives.
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Leftover Boiled Potato Casserole

Next time you have leftover boiled potatoes, you must try this leftover boiled potato casserole! With all the classic flavors of baked potatoes, this dish is creamy, cheesy and so quick and easy to make.
Course Side Dish
Cuisine North American
Diet Gluten Free, Vegetarian
Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Servings 4
Calories 544kcal
Author Emmeline Kemperyd

Equipment

  • Potato masher or fork
  • Measuring cups (metric or US)*
  • Measuring spoons*
  • Oven safe dish Round: 8 inches (20 cm) across, rectangular: 10 x 7 inches (25 x 18 cm)
  • Kitchen knife*
  • Large mixing bowl

Ingredients

  • 1.5 lb potatoes boiled, skin on or off; or mashed potatoes
  • ¼ cup butter melted; salted or unsalted
  • 1 teaspoon salt according to taste
  • ½ teaspoon ground black pepper according to taste
  • ½ cup cream cheese
  • ¾ cup sour cream
  • 1.5 cup shredded cheese divided; any kind that melts well
  • 2 tablespoon chopped chives optional; or scallions/spring onions
US Customary - Metric

Instructions

  • Preheat oven to 400°F (200°C).
  • Place boiled potatoes in a large bowl and mash with a potato masher or fork.
    1.5 lb potatoes
  • Add melted butter, salt and pepper and mash until well combined.
    ¼ cup butter, 1 teaspoon salt, ½ teaspoon ground black pepper
  • Add cream cheese and sour cream and mix/mash until well mixed.
    ½ cup cream cheese, ¾ cup sour cream
  • Mix in ⅔ of the shredded cheese.
    1.5 cup shredded cheese
  • Place potato mixture in an oven safe dish and top with the remaining cheese. Bake for 25-30 minutes at 400°F (200°C), until browned and crispy on top.
    1.5 cup shredded cheese
  • Top with chopped chives before serving.
    2 tablespoon chopped chives

Video

Notes

 
  • Prep ahead up to 1 day in advance: Make the casserole but don't bake it. Store covered in the fridge, then bake 30-40 minutes until the top is crispy and browned.
  • Store leftovers in the refrigerator in an air tight container for up to 4 days.
  • Reheat leftovers in the microwave in 30 second increments.
  • Reheat the entire casserole in the oven at 350°F (175°C) for 15-20 minutes until heated through. Tent with foil to avoid it burning.

Nutrition

Calories: 544kcal | Carbohydrates: 34g | Protein: 16g | Fat: 39g | Saturated Fat: 23g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 10g | Trans Fat: 0.5g | Cholesterol: 118mg | Sodium: 1049mg | Potassium: 851mg | Fiber: 4g | Sugar: 4g | Vitamin A: 1358IU | Vitamin C: 35mg | Calcium: 310mg | Iron: 2mg