Delicious Do Ahead Mashed Potato Casserole Recipe

This creamy, dreamy mashed potato casserole is a crowd-pleaser that you can make ahead! Assemble it the day before, refrigerate, and bake when ready. Perfect for potlucks, holidays, or a comforting weeknight dinner. Get ready for rave reviews!

Prep Time 30 mins
Cook Time 50 mins
Calories 258.5 kcal
Protein 10g
Rating Be the first
Delicious Do Ahead Mashed Potato Casserole 55

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Forktionary editorial kitchen team

The Forktionary Kitchen Team

Adapted from Food.com, then tested & standardized by Forktionary.

Ingredients for Delicious Do Ahead Mashed Potato Casserole

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How to Make Delicious Do Ahead Mashed Potato Casserole

  1. Preheat oven to 350°F (175°C).
  2. In a large bowl, combine 2 lbs russet potatoes (peeled and cubed), 1 cup milk, 1/2 cup butter, 1 teaspoon salt, and 1/2 teaspoon black pepper.
  3. Bring to a boil in a large pot, then reduce heat and simmer until potatoes are tender (about 15-20 minutes).
  4. Drain potatoes well and return them to the pot. Using a potato masher or electric mixer, beat until completely smooth and fluffy.
  5. Gently fold in 1/2 cup sour cream and 1/4 cup shredded cheddar cheese.
  6. Pour mixture into a greased 9x13 inch casserole dish.
  7. Top with 2 tablespoons of butter, cut into small pieces, and sprinkle with 1 teaspoon paprika.
  8. Refrigerate for at least 4 hours, or preferably overnight.
  9. Bake for 25-30 minutes, or until heated through and bubbly. Let stand for 10 minutes before serving.

Nutrition Information (Approximate per serving)

Sodium

3 g

Sugar

5g

Fat

40g

Carbs

10g

Frequently Asked Questions

How long does it take to make Delicious Do Ahead Mashed Potato Casserole?

Delicious Do Ahead Mashed Potato Casserole takes about 80 minutes from start to finish — roughly 30 minutes to prepare and 50 minutes to cook.

How many calories are in Delicious Do Ahead Mashed Potato Casserole?

Delicious Do Ahead Mashed Potato Casserole has approximately 258.5 calories per serving, with about 10 g protein, 10 g carbohydrates and 19 g fat.

What ingredients do I need for Delicious Do Ahead Mashed Potato Casserole?

The key ingredients for Delicious Do Ahead Mashed Potato Casserole are Baking Potatoes, Cream Cheese, Sour Cream, Garlic Salt, Chives, Paprika. See the full list with measurements above.

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