This is a rich chocolate cake with mashed potato to make it moist! It goes great with your favorite chocolate cream cheese frosting.

kiss

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Recipe Summary

prep:
30 mins
cook:
25 mins
additional:
1 hr
total:
1 hr 55 mins
Servings:
8
Yield:
1 8-inch layer cake
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Ingredients

8
Original recipe yields 8 servings
The ingredient list now reflects the servings specified
Ingredient Checklist

Directions

Instructions Checklist
  • Preheat the oven to 350 degrees F (175 degrees C). Grease and flour two 8-inch round cake pans.

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  • Sift together flour, cocoa powder, baking powder, and salt; set aside. Melt the bittersweet chocolate in a cup or small bowl in the microwave, stirring every 15 seconds, until smooth. Warm mashed potatoes in microwave until room temperature (or cool freshly mashed potatoes).

  • Beat butter and sugar with an electric mixer in a large bowl until light and fluffy. The mixture should be noticeably lighter in color. Add the room-temperature eggs one at a time, allowing each egg to blend into the butter mixture before adding the next. Mix in the mashed potatoes and melted chocolate. Pour in the flour mixture alternately with the milk, mixing until just incorporated. Pour the batter into prepared pans, smoothing the surface if needed.

  • Bake in the preheated oven until a knife inserted into the center of the cake comes out clean, 25 to 30 minutes. Cool cakes in pans on a wire rack.

Nutrition Facts

429 calories; protein 6.3g 13% DV; carbohydrates 66.3g 21% DV; fat 17.1g 26% DV; cholesterol 80.3mg 27% DV; sodium 374mg 15% DV. Full Nutrition

Reviews (5)

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Most helpful positive review

Rating: 4 stars
03/08/2008
made it in a blender very time consuming but worth it used more chocolate and less milk it turn out more like a brownie thumbs up will make again Read More
(22)
5 Ratings
  • 5 star values: 2
  • 4 star values: 3
  • 3 star values: 0
  • 2 star values: 0
  • 1 star values: 0
Rating: 4 stars
03/08/2008
made it in a blender very time consuming but worth it used more chocolate and less milk it turn out more like a brownie thumbs up will make again Read More
(22)
Rating: 4 stars
05/02/2013
This was a dense moist cake. My sister doesn't care for cakes that have potatoes carrots or even strawberries in them. She couldn't taste the potatoes and now is constantly asking me to make it. Great cake. Read More
(4)
Rating: 4 stars
10/05/2015
Overall a nice recipe it came out like a brownie cupcake. Very dense sweet and chocolaty. I did not use room temperature eggs. I had boiled the sweet potato with some cinnamon sticks on the stove previous to pureeing it. I also added a sprinkle of allspice and they came out tasting like Abuelita Chocolate. My dad had two which means they were good! Read More
(1)
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Rating: 5 stars
04/21/2015
This was the best chocolate cake I've made in a long time - everyone raved about it and asked for the recipe! I topped the cake with a traditional ganache - we were in chocolate heaven! Just make sure your mashed potatoes are creamy before adding them. Yummy!! Read More
Rating: 5 stars
03/05/2017
this is now my go-to chocolate cake recipe. I am serious! You cannot believe how moist and very chocolaty this is!!!! update: I had an extra can of coca-cola that needed a purpose and found a coca cola cake from this website and I believe in the mashed potato so much from THIS recipe that i basically combined the two recipes! you have got to try this recipe to believe it! I didn't even use fresh potatoes! I always have extra boxes of instant potato flakes because they are given to me and I never use them. Now I know they are great to bake with! Try it!!!!! By the way I want to try this without any chocolate at all just lots of vanilla and see if it is still great! Read More