Loaded Mashed Potato Casserole

  • This Loaded Mashed Potato Casserole is the perfect side dish! It’s filled with bacon and cheese, and can easily be made ahead.

    Top down view of a large pan of loaded mashed potatoes. Garnished with green onion and sour cream.

    Great Make-Ahead Potatoes!

    I have the perfect make-ahead side dish for you!! We love loaded potato skins but sometimes I don’t love how long they can take.

    I feel this casserole is a little easier than the traditional twice baked potatoes or potato skins because you don’t have to scoop out the pulp and try to keep the skin together. For some reason I can’t seem to keep them together. Anyone else have that problem???

    Looking for some more sides?? Try Lemon Parmesan Roasted Broccoli, Honey Garlic Roasted Carrots, or Skillet Garlic Green Beans.

    Loaded mashed potato casserole served on a black plate garnished with green onion, bacon, and sour cream.

    I realize this dish is pretty decadent and not so light on the calories but…….it’s not something you are going to eat every day.

    It’s one of those, what I like to call, special occasion dishes, lol!

    It makes a large amount so it’s perfect for feeding a crowd and like I said before, you can make it ahead of time!

    Just be sure to remove it from the refrigerator at least 30 minutes before baking it. And you will need to add on a little more baking time to make sure it’s heated through.

    Ingredients:

    • Russet or Yukon Gold potatoes
    • Cream cheese
    • Sour cream
    • Milk
    • Butter
    • Garlic Powder
    • Cheeses (Cheddar and Parmesan)
    • Bacon, of course!!
    • Green onions

    Tell me you can’t read that ingredient list and NOT think this is going to be good!

    Close up of potato casserole in a white baking dish.

    You can even freeze this potato casserole!

    Don’t continue with step #2 and let the mashed potatoes cool completely. Place in a freezer bag and freeze for up to 6 months. Thaw completely then continue with step #2.

    So as you can see this Loaded Mashed Potato Casserole is the Ultimate make-ahead dish and the best comfort food!

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    Loaded Mashed Potato Casserole
    Prep Time
    30 mins
    Cook Time
    25 mins
    Total Time
    55 mins
     

    This Loaded Mashed Potato Casserole is the perfect side dish! It's filled with bacon and cheese, and can easily be made ahead! 

    Course: Side Dish
    Cuisine: American
    Keyword: cheesy potato casserole, Loaded potato casserole
    Servings: 10
    Calories: 579 kcal
    Author: Malinda Linnebur
    Ingredients
    • 4.5 pound (2kg) russet or Yukon gold potatoes, peeled and cut into small chunks
    • 1 cup (225g) sour cream
    • 6-8 ounces (225g) cream cheese, soft
    • ¾-1 cup (235ml) milk
    • 1-2 teaspoons garlic powder
    • salt and pepper to taste
    • cups (195g) shredded cheddar cheese
    • ¼ cup (30g) grated Parmesan cheese
    • 10-12 slices bacon, cooked and crumbled
    • 2 green onions, chopped
    Instructions
    1. Place potatoes in a large pot and cover with water. Bring to a boil then reduce to a simmer and cook until potatoes are tender. Drain well. Add sour cream, cream cheese, milk, garlic powder, salt, and pepper. Mash until creamy. Stir in 1½ cups cheddar, Parmesan cheese, and ½ of the bacon. 

    2. Transfer to a lightly greased 9×13 baking pan. Sprinkle with remaining cheese and bacon. Bake uncovered at 350 degrees F for 25-30 minutes or until heated through and cheese is melted. Top with green onions before serving. 

    Recipe Notes
    1. Make ahead option: Can make this the night before, cover, and refrigerate. Be sure to remove from the refrigerator at least 30 minutes before baking. May need to add on more baking time to completely heat the potatoes through. 
    2. Nutrition Facts: Since different brands of ingredients have different nutritional information, the information shown is just an estimate.
    Nutrition Facts
    Loaded Mashed Potato Casserole
    Amount Per Serving
    Calories 579 Calories from Fat 315
    % Daily Value*
    Fat 35g54%
    Saturated Fat 20g125%
    Cholesterol 107mg36%
    Sodium 687mg30%
    Potassium 1047mg30%
    Carbohydrates 40g13%
    Fiber 2g8%
    Sugar 3g3%
    Protein 26g52%
    Vitamin A 1070IU21%
    Vitamin C 12.3mg15%
    Calcium 583mg58%
    Iron 2.4mg13%
    * Percent Daily Values are based on a 2000 calorie diet.
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