MASHED POTATO CASSEROLE

 

Mashed Potato Casserole - The Southern Lady Cooks

Mashed Potato Casserole is a great recipe! We love potatoes “fixed” this way and you can do so many different variations. Great for holidays or just anytime. Every time I have ever taken this easy casserole to a gathering I have come back with an empty pan. It’s just that good!

Ingredients Needed for Mashed Potato Casserole:

Large potatoes, peeled

Salt

Butter or margarine

Cream cheese

Sour cream

Evaporated milk

Black pepper

Onion flakes

Garlic powder

Monterey Jack cheese, shredded or cheese of your choice

Paprika

Recipe Notes: You could also add chopped bacon or ham, regular onions, or green onions to this dish. You can use whatever cheese your family loves. I have made it with all different kinds and it’s always a hit!

Recipe Comments: “I served this as a side to Bang Bang Chicken. I needed a mashed potato that wasn’t boring and could stand alone. This was it. Absolutely perfect!”-Deb

“I took this to work for a Thanksgiving meal and everyone raved about it!”-Sarah

If you like this recipe, you may want to try our cheesy crockpot potatoes.

Mashed Potato Casserole - The Southern Lady Cooks

Mashed Potato Casserole - The Southern Lady Cooks

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Mashed Potato Casserole

This recipe for Mashed Potato Casserole is a family favorite and one you will want to keep! Add this one to any holiday gathering or when you need a great side dish.
4.84 from 18 votes
Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Course Side Dish
Cuisine American
Servings 8 servings

Ingredients
  

  • 7 or 8 large potatoes peeled
  • 1 teaspoon salt
  • 4 tablespoons butter or margarine
  • 4 ounces cream cheese
  • 1/4 cup sour cream
  • 1/2 cup evaporated milk
  • 1/2 teaspoon black pepper
  • 1 teaspoon onion flakes
  • 1/4 teaspoon garlic powder
  • 1 to 2 cups Monterey Jack cheese blend shredded or cheese of your choice
  • 1 teaspoon paprika

Instructions
 

  • Boil the peeled potatoes, drain and mash with the salt, butter, cream cheese, sour cream, milk, pepper, onion flakes and garlic.
  • Spread mashed potatoes into a sprayed casserole dish and sprinkle with shredded cheese and paprika.
  • Bake in preheated 375 degree oven, uncovered, for 30 to 35 minutes.

Notes

You can add chopped bacon or ham, regular onion or green onion to this recipe. You can use any type of cheese you like, I have made it with just cheddar, a blend, etc. 
Keyword Mashed Potato Casserole
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Recipe Rating




60 Comments

  1. Hello ladies. I was wondering if I could incorporate equal parts turnips to potatoes for this recipe or would it be too runny? Thank you, plan on making it for Christmas dinner!

    1. The Southern Lady says:

      I can’t advise because I’ve never made it that way. It sounds great! Good luck!

  2. Good morning ladies. I am going to fix this for Thanksgiving. Do you think it would work in a crockpot? I’m making it either way, just wanting your thoughts. Wonderful site. Your recipes always turn out marvelous with no leftovers. Happy Thanksgiving

    1. The Southern Lady says:

      Yes, I think you could do it in a crock pot, I don’t know if the cheese would brown the way it does in the oven but if that doesnt bother you, than go for it! Happy Thanksgiving.

      1. My new favorite potatoes !5 stars

  3. Do you cover the dish in the oven?

    1. The Southern Lady says:

      The recipe states, “Bake in preheated 375 degree oven, uncovered, for 30 to 35 minutes.” You do not cover it. Thanks!

  4. Do you hand mash or use a mixer?

    1. The Southern Lady says:

      Hand mash.

  5. What kind of potatoes did you use? This looks great and I can’t wait to make it.

    1. The Southern Lady says:

      You can use any you like, we use just russet potatoes.

      1. Finally made this today for a quarantine Christmas dinner! It reminded me of twice baked potato stuffing! Awesome! And comforting!5 stars

  6. Janna Newman says:

    I need to make this ahead of time for Thanksgiving and freeze it. Would you recommend freezing before or after baking it? Thank you!
    ~ Janna

    1. The Southern Lady says:

      I would bake it first, but I have never frozen this so can’t say exactly how it would turn out. I would think it would freeze okay.

  7. What size casserole dish did you use?

      1. The Southern Lady says:

        Just a 2 quart casserole dish, or whatever it will fit in.

  8. I served this as a side to Bang Bang Chicken. I needed a mashed potato that wasn’t boring and could stand alone. This was it. Absolutely perfect!5 stars

    1. The Southern Lady says:

      Wonderful! So glad it was such a hit! My family loves this one too.

  9. How many people does this serve? Want to make for thanksgiving 15 people but not sure if I should double or triple the recipe

    1. The Southern Lady says:

      It makes 6-8 servings, so I would definitely double it.

  10. Have you tried replacing the potatoes with cauliflower since that’s the new trend?

    1. The Southern Lady says:

      I never have tried it with cauliflower.

    2. Helen Innes says:

      Could you refrigerate this overnight?

  11. Can I just use regular milk?

    1. The Southern Lady says:

      Yes, you can do that Selina.

      1. Can you prep this ahead and freeze it?

      2. The Southern Lady says:

        I have not tried freezing it but see no reason why you couldn’t, Amanda.

  12. Judy Chandler says:

    Do you think instant potatoes (reconstituted) would work in this recipe?

    1. The Southern Lady says:

      Honestly Judy I have never made instant potatoes, so I can’t say. Sorry.

  13. Making them tomorrow night! Can’t wait! IS a glass dish ok to use? (Pyrex)

    1. The Southern Lady says:

      Yes, it is ok.

  14. Della Steinlage says:

    Thank you for not putting a bunch of needless pictures or videos or more pages to view before actually seeing the recipe itself. This is why I like your FB posts so much more than the others. I am certainly going to download and try this one.

    1. The Southern Lady says:

      You’re very welcome. Have a great day!

  15. Carolyn Vigna says:

    We feed the high school football team before games on Friday night. I made this, doubled the recipe, & needless to say, came home with an empty bowl.5 stars

    1. The Southern Lady says:

      So happy to hear everyone enjoyed this recipe, Carolyn! Thank you for letting me know. That’s a lot of mashed potatoes! Have a great week ahead.

  16. The Southern Lady says:

    I have not tried it Beverly but see no reason why you couldn’t do both.

  17. Can you make this ahead of time? Say earlier in the day

    1. The Southern Lady says:

      Yes, you could, Meghan.

  18. I have leftover mashed potatoes I’d like to use. How many cups would that be?

  19. Brigitte Tomlinson says:

    I tried this a few months back, after seeing the recipe by FB. I loved it – Absolutely delicious!!! I live in Germany and all cheese types are not readily available…but cheddar is…works just fine!5 stars

  20. About what size casserole dish? i would love to make this for an event we are having at church.

    1. The Southern Lady says:

      2 to 3 quart dish should do it, Gloria.

  21. The Southern Lady says:

    Yes, you could do that Mark.

  22. Terry Love says:

    I had this kind of Mashed potatoes at a party in Indianapolis, IN several years ago, and believe me, it was the best mashed potatoes I ever had. Thanks Southern Lady Cooks. Very happy to finally get the recipe. LOVE IT.

  23. Are onion flakes dehydrated onions?

    1. The Southern Lady says:

      Yes, they are Kathy.

    1. Hi Helen, So happy to hear from you and hope all is well. It has been a long, hot, dry summer here. I love this casserole but I love anything with potatoes. Love and hugs, Judy

  24. What a great variation…especially the onion flakes…. Thank you for posting!

  25. Is monteray jack a mild cheese or tangy coz we dont have that here in Australia so i need to find a substitute for it ?

    1. Hey Liz, try Red Cheddar. It should be fairly close to Monterrey Jack.

  26. Jill Evans says:

    I basically make this same recipe, but mix in a beaten egg and pimentos (and the cheese) to the potatoes before baking. They puff up nicely. My mother would always fix them this way, expecially for holidays.