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Chocolate Potato Skull Cake for #SundaySupper

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Chocolate Potato Skull Cake | Magnolia Days

Halloween is simply a whole bunch of fun. Kids of all ages look forward to a special night filled with treats of all kinds. There is the treat of putting on a costume and going out looking very different than usual. I typically go for something funny or unique and make homemade Halloween costumes. There is the treat of celebrating and spending time with family and friends. One very special treat is the food prepared for the occasion. I had such fun baking this Chocolate Potato Skull Cake as it was an adventure all its own.

How did this cake adventure begin? The Idaho Potato Commission reached out to Sunday Supper and invited us to make fun and spooky Halloween potato recipes. I was all over it. For whatever reason, a sweet treat popped into my head first. I looked for cookies made with potatoes but the only ones I found were savory and would not be a good candidate for cutout decorated cookies. Then I discovered this awesome skull cake pan, ordered it, and couldn’t wait for it to arrive.

Chocolate Potato Skull Cake | Magnolia Days

The adventure was going well until decorating time. The cake popped out of the pan flawlessly. My husband suggested I use a vanilla frosting and I agreed. So I whipped up a batch of frosting and went to it. That is when the adventure took a challenging turn. The face kept sliding down. The angle was too much. Multiple bamboo skewers would not hold it in place. A little of the jaw in front broke off. I finally had to slice off a wedge from of the back to make it less of an angle. That did the trick. Frosting patched and covered up the broken jaw. I used a dollop of frosting to secure eyeball gumballs in the eye sockets. I put it on a platter and surrounded it with crushed chocolate graham crackers to look like dirt and scattered more gumballs around it. Total success in the end.

You know what is funny? It almost looks like this cake is covered with mashed potatoes. The Idaho® potato is in the cake and not the frosting. Vanilla buttercream frosting gives an imperfect aged look of a skull and it is also happens to be bone-colored. The cake is moist, rich, chocolate-y and no one will know it has potato in it unless you tell them. I think the potato contributes to the cake’s moistness along with buttermilk.

Chocolate Potato Skull Cake | Magnolia Days

What food do you make for Halloween? Do you decorate it for the occasion? You have got to check out all the fun and spooky potato recipes my fellow Sunday Supper contributors are sharing. Scroll down to find the list and be prepared to smile and get hungry when you see them. Also look at our Fun and Creepy Halloween Recipes Pinterest board. A very special thanks to my friend Terry who graciously let me borrow her beautiful black platter for the photos.

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More on Idaho Potato Commission: You can follow them on Facebook, Pinterest, Twitter, Instagram, and their website.

Chocolate Potato Skull Cake | Magnolia Days
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Chocolate Potato Skull Cake

This Chocolate Potato Skull Cake with Vanilla Buttercream Frosting will be a hit your Halloween or Day of the Dead party. It's fun and delicious too.
Course Dessert
Cuisine American
Prep Time 30 minutes
Cook Time 1 hour
Total Time 1 hour 30 minutes
Author Renee

Ingredients

For the cake:

  • 1 large Idaho® russet potato enough to yield 1 cup mashed potato
  • 2 cups all-purpose flour
  • 1/2 cup unsweetened cocoa powder sifted plus more for dusting pan
  • 1 teaspoon baking soda
  • 1 cup unsalted butter at room temperature
  • 2 cups granulated sugar
  • 2 large eggs
  • 1 cup buttermilk

For the frosting:

  • 1 cup unsalted butter at room temperature
  • 2 teaspoons vanilla extract
  • Pinch of salt
  • 4 cups confectioners sugar sifted
  • 3 to 4 tablespoons half-n-half
  • To decorate if using skull cake pan:
  • Eyeball gumballs
  • Crushed chocolate graham crackers

Instructions

For the cake:

  1. Peel and dice the potato and place in a saucepan. Cover with 1-inch of water. Do not add salt to the water. Bring to a boil and simmer until tender. Drain water. Mash potato until smooth (no lumps!). Allow to cool to room temperature.
  2. Preheat oven to 350 degrees F. Lightly grease a skull cake pan or 2 9-inch round cake pans. Dust pan(s) with cocoa powder.
  3. Whisk together flour, cocoa powder, and baking soda in a medium bowl.
  4. Beat butter and sugar in a large bowl until light and fluffy. Add eggs and vanilla, beating well after each addition. Add 1 cup mashed potato and mix to combine. (Reserve any remaining potato for another use if desired).
  5. Add flour mixture, alternately with buttermilk, beginning and ending with flour mixture. Mix until just combined after each addition (do not over-mix).
  6. Transfer batter to prepared pan(s), dividing equally and spreading evenly in the pan(s).
  7. Bake until a toothpick or cake tester inserted in the center comes out clean. It could be anywhere from 30 to 60 minutes depending on the pan used (skull cake pan takes longer). Check every few minutes after 30 minutes of baking time.
  8. Cool cake in the pan(s) for 10 minutes then remove cake from pan(s) and cool completely on a wire rack.

For the frosting:

  1. Beat butter until creamy. Add vanilla and salt and beat to combine.
  2. Add confectioners sugar and beat with enough half-and-half to reach desired spreading consistency.
  3. Spread frosting between cake layers and on sides and top of cake.
  4. If using skull cake pan, do not spread frosting in the eye or nose indentions or over teeth area. Put a very small dollop of frosting in the center of each eye indention. Press gumball on each dollop of frosting.
  5. Spread crushed graham crackers on the serving plate around the skull cake. Place more gumballs around the cake.

Recipe Notes

This Chocolate Potato Skull Cake with Vanilla Buttercream Frosting will be a hit at your Halloween or Day of the Dead celebrations.

Recipe adapted from Chocolate Potato Cake on Taste of Home

It’s time to get ready for Halloween! Check out these recipes using Idaho® potatoes you can make for your celebration:

Fun and Spooky Potato Savory Bites:

Fun and Spooky Potato Sweet Treats:

Sunday Supper MovementJoin the #SundaySupper conversation on twitter on Sunday! We tweet throughout the day and share recipes from all over the world. Our weekly chat starts at 7:00 pm ET. Follow the #SundaySupper hashtag and remember to include it in your tweets to join in the chat. To get more great Sunday Supper Recipes, visit our website or check out our Pinterest board.

Would you like to join the Sunday Supper Movement? It’s easy. You can sign up by clicking here: Sunday Supper Movement.

Disclosures: This post is sponsored by the Idaho Potato Commission. All opinions are my own. This post contains an affiliate link to Amazon (skull cake pan).

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Comments

  2. Liz says

    LOL, I think I needed you on speed dial when I was making my spiders…we could have given each other pep talks! But your skull cake turned out perfectly! Terrific Halloween dessert!

    Reply

    • Renee says

      At least next time I make a cake in this pan I’ll know to cut off an angle in the back before frosting and putting it together. It will be much easier that way.

      Reply

  6. Susan says

    Well if you hadn’t told us we’d never know you had trouble. The cake looks incredible and potatoes are good in desserts! So now which part of the skull to start with first?

    Reply

    • Renee says

      Funny you should ask since I also had a time deciding which part of the skull to cut first. My husband cut off the back of the head. I went for the jaw.

      Reply

  14. Shaina says

    At first glance, I totally did think you frosted your cake with mashed potatoes!!! Part of me was like, wow, Renee, that’s creative and the other part of me was like, wow, Renee, that’s gross! LOL. Glad to know it’s vanilla frosting 🙂 I will have to try using potatoes in a cake sometime, sounds so interesting!

    Reply

  17. Katie says

    Seriously spectacular! As soon as you showed me that pan, I knew this was going to be a fun post! You’d never know there were troubles as you assembled -it looks creepy and awesome! I really want to try making a cake with potato in it now!

    Reply

  22. Nancy @ gottagetbaked says

    Renee, I can’t tell you how much I love this cake! It is so deliciously creepy and ghoulish and macabre. I’ve been buying up Halloween decorations like nobody’s business in the past month and now that it’s October 1st, it’s all going up in my house! I appreciate your cake even more after reading about all the trouble it gave you with the broken jaw ‘n slipping face. You fixed it up like a champ!

    Reply

  23. Stacy says

    I’ve been trying to get over here all week to see your amazing skull cake! It came out beautifully and the joy of icing is that it tastes delicious while covering any structural defects. I’ve made bread with mashed potatoes so it never occurred to me that they weren’t in your batter but I do see how some people could be confused.

    Thought for a future event: Meatloaf in the skull pan, indeed covered by creamed potatoes. You are welcome. 🙂

    Reply

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