Sunday, 21 October 2018

Sweet Potato Cake with Marshmallow Frosting

Sweet Potato Cake with Marshmallow Frosting
01 Oct
12:28

Southern Sweet Potato Cake with Marshmallow Frosting is the perfect cake for fall & Thanksgiving. It’s moist, filled with warm spices, and topped with a sweet fluffy cloud of marshmallow buttercream!

2 slices of sweet potato cake with marshmallow frosting and the pan of cake in the background.

You’ve probably tried spice cake, and you’ve definitely tried carrot cake – but have you ever had sweet potato cake? It’s a delicious Southern favorite that you need to add to your baking list. It’s a moist spice cake that’s perfectly dense with the perfect hint of cinnamon. Then to remind you of sweet potato casserole, it’s topped with fluffy cream cheese frosting.

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Now I love sweet potato as much as the next person. Sweet potato fries, mashed sweet potato, sweet potato hashbrowns – you name it. But I had never tried baking with sweet potato until recently. It turns out that it’s delicious. It adds so much moisture to baked goods so they end up soft, tender, and perfectly dense without being heavy.

weet potato cake with marshmallow buttercream made in a 9 x 13 inch pan.

Plus – the flavor tastes delicious with brown sugar and cinnamon. It’s really a very similar idea to baking with pumpkin or carrots. Totally delicious.

Sweet Potato Cake with Marshmallow Frosting

I decided to make this sweet potato cake as a sheet cake in a 9×13 inch pan because it’s way less work than making a layer cake, and I feel like a sheet cake version works better with such a dense cake.  Southern sweet potato cake is a moist spice cake that's topped with marshmallow frosting.

The cake itself is crazy moist because of a few key ingredients: oil, eggs, sweet potato, and milk. We’re actually using mashed sweet potatoes/sweet potato puree for this recipe. You can either boil them first, then remove the skins and mash them (or put them in the blender). Or you can buy sweet potato puree (often in the baby food aisle). Just make sure its 100% sweet potatoes – we don’t want any garlic or onion in there.

Then the sweet potato cake has a delicious spice cake flavor thanks to using brown sugar, vanilla extract, cinnamon, and nutmeg. It’ll definitely remind you of spice cake, carrot cake, or pumpkin cake – but I think I might actually prefer the flavor of this sweet potato cake. It’s lightly spiced and not too overwhelming – which I think is delicious.

Then there’s marshmallow frosting to top it all off. It’s made with marshmallow fluff from the jar so it’s super easy, and it tastes like a delicious cloud of marshmallow heave. I added a few chopped pecans on top of my cake – but that’s totally up to you.

A large slice of sweet potato cake with a bite eaten out of it.

This sweet potato cake with marshmallow frosting is the perfect dessert for fall or Thanksgiving – or if you love carrot cake and are looking for a delicious alternative.

If you love this sweet potato cake, make sure to try these other fall favorites:

Sweet Potato Cake with Marshmallow Frosting

Southern Sweet Potato Cake with Marshmallow Frosting is the perfect cake for fall & Thanksgiving. It’s moist, filled with warm spices, and topped with a sweet fluffy cloud of marshmallow buttercream!

Prep 30 mins

Cook 40 mins

Total 2 hours, 10 mins

Yield 15-18 slices

Cuisine American

Ingredients

Sweet Potato Cake

  • 2 1/4 cups all-purpose flour
  • 2 teaspoons cinnamon
  • 1/2 teaspoon nutmeg
  • 1 teaspoon baking soda
  • 1 teaspoon baking powder
  • 1/2 teaspoon salt
  • 1/2 cup vegetable oil
  • 1 cup white sugar
  • 3/4 cup brown sugar
  • 2 teaspoons vanilla extract
  • 3 large eggs
  • 2 cups mashed/pureed sweet potato
  • 1/2 cup milk

Marshmallow Frosting

  • 2/3 cup unsalted butter, softened
  • 1 – 7 oz jar Marshmallow fluff
  • 2-3 cups powdered sugar
  • 1-2 tablespoons cream (or milk)
  • 1/4 cup chopped pecans (optional)

Instructions

Sweet Potato Cake

  1. Preheat the oven to 350F degrees. Grease and flour a 9×13 inch cake pan.
  2. In a medium bowl whisk together the flour, cinnamon, nutmeg, baking soda, baking powder & salt. 
  3. In a large bowl beat together the oil, sugars, eggs & vanilla extract until no sugar lumps remain. Then mix in the mashed sweet potato. 
  4. With the mixer on low beat in the flour mixture about 1/2 at a time, alternating with the milk. 
  5. Pour the batter into the prepared pan and bake for 40-50 minutes, or until an inserted toothpick comes out clean and the cake doesn’t wobble if you give the pan a nudge.

Marshmallow Frosting

  1. In a large bowl beat the butter until fluffy.
  2. Then mix in the marshmallow fluff.
  3. Mix in the powdered sugar about 1 cup at a time, until the desired sweetness is reached. Then mix in the cream/milk 1 tablespoon at a time.
  4. Frost the cooled cake, then optionally decorate with pecans. 

Southern Sweet Potato Cake with Marshmallow Frosting is the perfect cake for fall & Thanksgiving. It's moist, filled with warm spices, and topped with a sweet fluffy cloud of marshmallow buttercream!

Fiona blogs over at Just So Tasty where she shares easy, classic recipes for desserts & sweet treats. A peanut butter lover, chocolate connoisseur, and sprinkle addict – she hopes to make your life sweeter, one cookie at a time. She also teaches yoga, because life is all about balance.

Source: https://www.yellowblissroad.com/sweet-potato-cake-with-marshmallow-frosting/

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Asae

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