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sliced Guinness chocolate cake on white cake stand
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Guinness Chocolate Cake

This Guinness cake is rich, moist and decadent that is spiked with stout beer and topped with a tasty Irish cream frosting.
Course Dessert
Cuisine Irish
Prep Time 20 minutes
Cook Time 40 minutes
Total Time 1 hour
Servings 12 slices
Calories 456kcal
Author Ryan Beck

Ingredients

Cake

  • 1 cup Guinness beer
  • 1 cup unsalted butter (2 sticks)
  • ¾ cup unsweetened dark cocoa powder
  • 1 ½ cups granulated sugar
  • ½ cup dark brown sugar
  • 1 teaspoon espresso powder
  • cup sour cream, at room temperature
  • 2 large eggs, at room temperature
  • 1 tablespoon vanilla extract
  • 2 cups all-purpose flour
  • 2 ½ teaspoon baking soda
  • ½ teaspoon salt

Irish Cream Frosting

  • 1 cup unsalted butter
  • 2 ½ cups powdered sugar
  • 3 tablespoon Baileys Irish Cream

Instructions

Cake

  • Preheat the oven to 350°F. Grease a 9-inch springform pan with butter and line the bottom with a round of parchment paper. Dust with cocoa powder and tap out in excess.
  • Add the Guinness and butter to a large saucepan and heat over medium-high heat until the butter has melted. Whisk in the cocoa powder, sugars and espresso powder and mix until there are no lumps. Remove from heat and let come to room temperature.
  • In a medium bowl, beat together the sour cream, eggs and vanilla extract until combined. Add the stout mixture, whisking together.
  • In a medium bowl, whisk together the flour, baking soda and salt. Fold into the stout mixture until just combined.
  • Pour the batter into the prepared cake pan. Bake for 40-50 minutes or until a cake tester comes out clean.
  • Allow cake to cool before frosting.

Irish Cream Frosting

  • Using the whisk attachment of a mixer, whip the butter on medium-high speed for 5 minutes, scraping the sides of the bowl after every minute. Reduce the speed to medium-low and gradually add the powdered sugar until it is all incorporated. Add the Baileys, increase the speed to medium-high and whip for another 2-3 minutes until it is light and fluffy.

Notes

  • The Guinness cake can also be baked in an 8-inch or 10-inch springform pan but the baking time will vary.
  • Dark cocoa powder is the key to a rich chocolate cake. Hershey’s Special Dark Cocoa is my go-to.
  • All refrigerated items should be at room temperature, which helps the batter mix easily and evenly.
  • You know cake is done when you insert a toothpick in the center and it comes out clean.
  • Allow the Guinness cake to completely cool before adding the frosting, otherwise it will melt.

Nutrition

Serving: 1slice | Calories: 456kcal | Carbohydrates: 75g | Protein: 5g | Fat: 16g | Saturated Fat: 10g | Polyunsaturated Fat: 0g | Monounsaturated Fat: 3g | Trans Fat: 0g | Cholesterol: 62mg | Sodium: 138mg | Potassium: 119mg | Fiber: 3g | Sugar: 56g