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What is the main flavor profile of the Ultimate Guinness Cake?
The cake is a chocolate cake that incorporates Guinness stout, which adds a rich, malty depth and subtle bitterness that complements the chocolate.
What type of frosting is used on this Guinness cake?
The cake is topped with a creamy Baileys Irish Cream frosting, which adds a smooth, sweet, and slightly boozy flavor.
Does the alcohol bake out of the Guinness in the cake?
While most of the alcohol in the Guinness will evaporate during the baking process, the distinct malty and roasted flavor of the stout remains.
Is this cake difficult to make for a home baker?
This cake is designed to be an impressive yet approachable recipe for home bakers, combining a moist chocolate cake with a simple, flavorful frosting.

Ultimate Guinness Cake with Baileys Frosting
Ingredients
Equipment
Method
- Preheat oven to 350°F (175°C). Grease a 9-inch round cake pan and line the bottom with parchment paper.
- In a medium saucepan, combine the Guinness and butter. Heat over medium heat until the butter melts. Remove from heat and whisk in the cocoa powder and sugar until smooth.
- In a separate large bowl, whisk together the sour cream, eggs, and vanilla. Slowly pour the slightly cooled Guinness mixture into the sour cream mixture, whisking constantly until combined.
- Sift the flour, baking soda, and salt directly into the wet ingredients. Gently fold with a spatula until just combined and no dry streaks remain. Do not overmix.
- Pour the batter into the prepared pan. Bake for 45-55 minutes, or until a toothpick inserted into the center comes out clean.
- Let the cake cool in the pan on a wire rack for 15 minutes. Then, carefully invert it onto the rack, remove the parchment, and let it cool completely.
- To make the frosting: Using an electric mixer, beat the softened butter on medium-high speed until pale and creamy, about 3 minutes.
- Gradually add the sifted powdered sugar, one cup at a time, beating on low speed until incorporated. Scrape down the bowl as needed.
- Add the Baileys, heavy cream, vanilla, and salt. Beat on medium-high speed for 2-3 minutes until the frosting is very light, fluffy, and spreadable. Add more Baileys or cream a teaspoon at a time if needed.
- Once the cake is completely cool, spread the Baileys frosting evenly over the top and sides. Garnish with chocolate shavings or a dusting of cocoa powder if desired.