Mashed Sweet Potato Casserole Recipe

Mashed Sweet Potatoes with Marshmallow Gravy and Pecans.  This is my little twist on a Sweet Potato Casserole Recipe.  A simple and unbelievably delicious Thanksgiving side dish!

Mashed Sweet Potato Casserole Recipe - Mashed Sweet Potatoes with Marshmallow Gravy - #thanksgiving

I decided to do a riff on mashed potatoes and gravy with the flavors of Sweet Potato Casserole.  What do you get when you combine those two dishes?  Mashed Sweet Potatoes with Marshmallow Gravy, of course!

Believe me, this Thanksgiving dish will be a hit.  It tastes so good that I may have eaten half a batch by myself.  Don’t judge until you taste for yourself!  Switch out your usual Sweet Potato Casserole Recipe for this version.

I can’t wait for Thanksgiving.  We do a small gathering at my house with lots of appetizers {my favorite} and all of the usual holiday dishes.  But my absolute favorite part of the Thanksgiving meal is picking at the leftovers the next day.  Turkey sandwich, lots of mayo, cranberry sauce and crisp lettuce . . . Oh Yeah!  My mouth is watering just thinking about it.  What is your favorite thing about the holiday feast?

If you need a little help planning your Thanksgiving meal {and are a last minute planner like me} . . . check back here in a couple days.  I will be posting a Virtual Thanksgiving Dinner that includes some amazing traditional dishes from a few fantastic blogs that I love!  You are not going to want to miss the Thanksgiving dishes that I hand picked.

Mashed Sweet Potato Casserole Recipe - Mashed Sweet Potatoes with Marshmallow Gravy - #thanksgiving

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Mashed Sweet Potato Casserole
Author: WonkyWonderful
Mashed Sweet Potatoes
  • 6-7 Large Sweet Potatoes
  • Olive Oil
  • 1 Tb Butter
  • Small Pinch of Salt
Marshmallow Gravy
  • 3/4 Cup Marshmallow Creme Marshmallow Fluff
  • 2 Tb Heavy Cream
  • Pecans candied, roasted, or raw
  1. Preheat oven to 375°
  2. Wash the sweet potatoes and pierce several times with a fork.
  3. Coat sweet potatoes with olive oil and wrap with tin foil.
  4. Bake for about 1 hour and 15 minutes or until a fork can be easily inserted into the sweet potatoes.
  5. Remove from oven, let cool.
  6. Peel off the skin and smoosh with a potato masher. (puree if you prefer smooth mashed sweet potatoes)
  7. Before serving, add the butter and salt then reheat on stove or in the microwave.
  8. To make the Marshmallow Drizzle -
  9. Microwave the marshmallow creme for 15 seconds.
  10. Stir in the heavy cream and microwave 15 more seconds.
  11. To serve -
  12. Top a serving of mashed sweet potatoes with the marshmallow drizzle and pecans. Optional: sprinkle with brown sugar.
Recipe Notes
This recipe yields approximately 8 cups of mashed sweet potatoes.

Mashed Sweet Potato Casserole Recipe - Mashed Sweet Potatoes with Marshmallow Gravy - #thanksgiving

More For Your Holiday Feast:

Traditional Thanksgiving Menu Ideas

Traditional Thanksgiving Menu Ideas - turkey stuffing cranberry sauce pie -

Easy Cranberry Sauce

Quick and Easy Cranberry Sauce Recipe - #thanksgiving

Olive Tapenade

Olive Tapenade Easy Appetizer

Artichoke & Roasted Garlic Dip

Artichoke & Roasted Garlic Dip

Orange Glazed Cranberry Bread

Orange Glazed Cranberry Bread Recipe -

I love a good party!  I’ve been known to share my delicious creations at THESE awesome parties! 


  1. Mmmm this is super creative and sounds so delicious! Love the “marshmallow gravy”. Okay, this might be a super dumb question, but what exactly is marshmallow creme? Not sure if I’ve ever seen it. Is it like marshmallow fluff? Or more like marshmallow topping you find for ice cream and such? Or is it something completely different and I’m way off?

    • Nicole Harris says:

      Thanks Chris! Marshmallow Creme and Marshmallow Fluff are the same thing. I was actually debating which term to use when I was writing this recipe today. I think I’ll go make a note in the recipe so that it is clear. Happy holidays 😀

  2. We made this today on a whim and it was a crowd fav. The dish ended up back in the oven after we put the “gravy” on and it puffed up while remaining runny. I’m sure I’ll make these again next year.. Really nice way to serve sweet potatoes!

    • Nicole Harris says:

      Hi Ron! I’m so happy to hear that you and your family enjoyed this recipe. I made this for Thanksgiving and ate way too much!

  3. you had me at marshmallow gravy. omg.

  4. Oh my goodness, I’m pinning this right now. And I’m not going to wait until Thanksgiving to try it. 🙂

  5. elayne says:

    why could you not microwave the sweet potatoes?i always do anyway

  6. This sounds lovely. Going to give this a go. thanks for sharing this recipe.


  7. Brittany says:

    I’m planning on making this ahead of time and freezing it until thanksgiving, can I put the marshmellow topping on top and then freeze? Or just make the topping the day of?

    • Nicole Harris says:

      I’ve never tried freezing this. I would make the marshmallow topping the day of, just to be on the safe side. The topping may get a little funky in the freezer.

  8. Christina Sullivan-Obregon says:

    I have made this three years running, I am now going to do away with the candy yams instead of having two types of dishes with sweet potatoes. My family loved it and called it a keeper!!

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