Irish car bomb cake

8 servings
20 min
45 min
Very Easy
  • Irish Car Bomb Cake
  • Irish Car Bomb Cake, photo 2
  • (5.00/5 - 1 vote)
Irish Car Bomb Cake


Number of serving: 8

For the Guinness chocolate cake:

- 1 cup stout beer/ Guinness

- 2 sticks unsalted butter

- 3/4 cup unsweetened cocoa

- 2 cups flour

- 2 cups sugar

- 1 1/2 teaspoons. baking soda

- 3/4 teaspoons. salt

- 2 large eggs

- 2/3 cup sour cream

For the Bailey's ganache:

- 8 ounces bittersweet chocolate, finely chopped

- 2/3 cup heavy cream

- 2 tablespoons. butter, room temperature

- 2 teaspoons. Bailey's Irish cream

For the Bailey's buttercream frosting:

- 2 sticks unsalted butter, room temperature

- 6-8 cups powdered sugar, sifted

- 1/3 cup Bailey's Irish cream, then keep adding until desired consistency is reached


  • To make the cake, preheat oven to 350 F. Grease two cake pans and line with a circle of parchment paper on the bottom. Combine stout and butter in a medium saucepan over medium heat.
  • Add the cocoa and whisk until smooth. Remove from heat and allow to cool slightly. In a large mixing bowl combine the flour, sugar, baking soda and salt.
  • In the bowl of an electric mixer beat together the eggs and sour cream to blend. Add stout mixture and beat to combine. Mix in dry ingredients on low until incorporated.
  • Divide batter among cake pans and bake until an inserted toothpick comes out clean, about 35 minutes (for me it took a little longer, but again, blame the oven). Cool completely.
  • To make the ganache, place chocolate in heatproof bowl. Heat cream in saucepan until simmering, then pour over chocolate, let sit for 1 minute, then stir until smooth. Add butter and Bailey's and stir until combined.
  • Set aside until cool and thick enough to be piped (you can use the refrigerator to speed the process but stir every 10 minutes to ensure even cooling).
  • To make the frosting, place the butter in the bowl of a stand mixer and beat on medium high until light and fluffy. Gradually add powdered sugar until incorporated. Mix in Bailey's until smooth. Add more if necessary until frosting has reached a good consistency for piping or spreading. Frost the cakes as desired and enjoy!

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