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Guaranteed Ultimate Moist Chocolate Fudge Cake Recipe

A decadent slice of three-layer chocolate fudge cake covered in thick, glossy chocolate frosting.

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This easy chocolate fudge cake recipe delivers an ultra-moist, deeply chocolatey result with a rich, homemade fudge frosting. It is simple to make and guaranteed to satisfy any chocolate craving.

Ingredients

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

Instructions

  1. Preheat your oven to 350°F (175°C). Grease and flour two 9-inch round cake pans. Line the bottoms with parchment paper.
  2. In a large bowl, whisk together the flour, sugar, 3/4 cup cocoa powder, baking soda, baking powder, and salt for the cake.
  3. Add the buttermilk, oil, eggs, and 1 teaspoon of vanilla extract to the dry ingredients. Beat with an electric mixer on medium speed for two minutes until just combined. Do not overmix.
  4. Carefully stir in the hot coffee (or hot water) until the batter is smooth and thin. Stir in the chocolate chips. The batter will be very thin; this helps create a moist cake.
  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 with moist crumbs attached.
  7. Let the cakes cool in the pans for 10 minutes before inverting them onto a wire rack to cool completely.
  8. Prepare the fudge frosting: In a large bowl, beat the softened butter until creamy. Gradually add the sifted powdered sugar and 1/2 cup cocoa powder, alternating with the heavy cream, beating until smooth.
  9. Add the vanilla extract and pinch of salt. Beat on high speed for 3 minutes until the frosting is light and fluffy. If the frosting is too thick, add cream one teaspoon at a time.
  10. 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.
  11. Frost the top and sides of the entire cake with the remaining homemade fudge frosting. Slice and serve this ultimate chocolate indulgence.

Notes

  • Using hot coffee deepens the chocolate flavor without making the cake taste like coffee.
  • For an extra decadent finish, you can drizzle warm chocolate ganache over the top before serving.
  • Buttermilk is key for tenderness; if you do not have buttermilk, mix 1 cup of milk with 1 tablespoon of white vinegar and let it sit for 5 minutes.

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