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4.84 from 6 votes

Mashed Potato Casserole

Cheesy, creamy deliciousness. This flavorful Mashed Potato Casserole will make your taste buds dance and please any dinner guest at your table.
Prep Time15 mins
Cook Time1 hr
Total Time1 hr 15 mins
Course: Side Dish
Cuisine: American
Keyword: mashed potato casserole
Servings: 6 servings
Calories: 301kcal
Author: Tania Sheff


  • 2 lbs. potatoes
  • 4 oz. goat cheese
  • 3 tbsp. butter
  • 1 cup sour cream
  • 1/4 cup milk
  • 1/2 cup shredded Parmesan cheese
  • 1/2 tsp. salt


  • Peel the potatoes and cut them into medium pieces. Place them in a pot and cover with water. Boil the potatoes, cooking them until they are soft. Then, drain the liquid out and place the potatoes into a mixing bowl.
  • Using a masher, give them a rough mash. Then, add the goat cheese, butter, sour cream, and salt. Mash thoroughly, making sure to fully incorporate all the ingredients throughout.
  • Add the milk and then mash again until the potatoes have a smooth and creamy texture.
  • Spoon the mashed potatoes into an oven-safe casserole dish and then sprinkle the Parmesan cheese on top. Bake at 350ºF for 40 minutes. Once a golden-brown crust has formed, remove it from the oven and serve.




Use herbed goat cheese. When you purchase your goat cheese for this recipe, opt for a variety that already has herbs in it. This will add extra flavor to your casserole.
Bake the next day. This recipe is great because you don’t have to make it on the day you serve it. You can prepare it the day before in the casserole dish and then just pop it in the oven before dinnertime.
Not a goat cheese fan? If the tangy taste and aroma of goat cheese isn’t to your liking, then you can substitute cream cheese instead.
Don’t Add Cold Ingredients to Warm Potatoes. Make sure your dairy products are room temperature before adding them in. The potatoes will absorb them better this way and the dish will end up much creamier.


Calories: 301kcal | Carbohydrates: 21g | Protein: 12g | Fat: 20g | Saturated Fat: 12g | Cholesterol: 51mg | Sodium: 465mg | Potassium: 701mg | Fiber: 4g | Sugar: 2g | Vitamin A: 703IU | Vitamin C: 18mg | Calcium: 227mg | Iron: 5mg