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The Ultimate Easy & Extra Moist Chocolate Fudge Cake with Silky Fudge Frosting

A close-up of a rich, dark slice of ultimate chocolate fudge cake with glossy frosting on a white plate.

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This recipe delivers a deeply rich, decadent chocolate fudge cake that stays incredibly moist. We make it simple, so you can deliver a comforting, bakery-style dessert without stress.

Ingredients

Scale
  • 1 3/4 cups all-purpose flour
  • 1 3/4 cups granulated sugar
  • 3/4 cup unsweetened cocoa powder
  • 1 1/2 teaspoons baking soda
  • 1 1/2 teaspoons baking powder
  • 1 teaspoon salt
  • 2 large eggs
  • 1 cup buttermilk
  • 1/2 cup vegetable oil
  • 2 teaspoons vanilla extract
  • 1 cup hot brewed coffee (or hot water)
  • 1 cup semi-sweet chocolate chips (for frosting)
  • 1/2 cup unsalted butter (for frosting)
  • 2 cups powdered sugar (for frosting)
  • 1/4 cup heavy cream (for frosting)
  • 1 teaspoon vanilla extract (for frosting)

Instructions

  1. Preheat your oven to 350°F (175°C). Grease and flour two 9-inch round cake pans.
  2. In a large bowl, whisk together the flour, sugar, cocoa powder, baking soda, baking powder, and salt.
  3. Add the eggs, buttermilk, oil, and vanilla extract to the dry ingredients. Beat with an electric mixer on medium speed for two minutes.
  4. Carefully pour the hot coffee (or water) into the batter and mix on low speed until just combined. The batter will be thin.
  5. Divide the batter evenly between the prepared cake pans.
  6. Bake for 30 to 35 minutes, or until a wooden pick inserted into the center comes out clean.
  7. Let the cakes cool in the pans for 10 minutes before inverting them onto a wire rack to cool completely.
  8. While the cakes cool, make the frosting: Place chocolate chips in a heatproof bowl.
  9. In a small saucepan, heat the butter and heavy cream until the butter melts and the mixture is just simmering. Pour this hot mixture over the chocolate chips and let it sit for 5 minutes without stirring.
  10. Whisk the chocolate mixture until smooth. Whisk in the powdered sugar and vanilla extract until the frosting is silky. Let the frosting cool slightly until it reaches a spreadable consistency.
  11. Once the cakes are completely cool, place one layer on a serving plate. Spread about one-third of the fudge frosting over the top. Place the second layer on top.
  12. Frost the top and sides of the entire cake with the remaining silky fudge frosting. Slice and serve your ultimate chocolate dessert.

Notes

  • Using hot coffee deepens the chocolate flavor without making the cake taste like coffee. You can substitute hot water if you prefer.
  • For an extra decadent, bakery-style chocolate cake, you can chill the frosted cake for 30 minutes before slicing.
  • This recipe makes a simple fudge cake that is easy to transport for celebrations.

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