March 19, 2026

Guinness Chocolate Cake with Irish Buttercream

Guinness Chocolate Cake with Irish Buttercream

Why Make This Recipe

Guinness Chocolate Cake with Irish Buttercream is a delightful treat that perfectly balances rich chocolate flavor with the unique taste of Guinness beer. This cake is not just easy to prepare but also offers a moist texture that everyone loves. Whether you’re celebrating St. Patrick’s Day, a birthday, or just satisfying your sweet tooth, this cake brings joy to any occasion. Plus, the addition of Irish cream liqueur in the buttercream gives it an authentic Irish twist that you won’t want to miss!

How to Make Guinness Chocolate Cake

Ingredients:

  • 1 cup Guinness beer
  • 1 cup unsweetened cocoa powder
  • 2 cups all-purpose flour
  • 2 cups granulated sugar
  • 1 ½ teaspoons baking powder
  • 1 ½ teaspoons baking soda
  • 1 teaspoon salt
  • 1 cup unsalted butter, softened
  • 4 large eggs
  • 1 teaspoon vanilla extract
  • 1 cup heavy cream
  • 2 cups powdered sugar
  • 1 teaspoon Irish cream liqueur (optional)

Guinness Chocolate Cake with Irish Buttercream

Directions:

  1. Preheat your oven to 350°F (175°C) and grease two 9-inch round cake pans.
  2. In a large mixing bowl, combine the Guinness beer and cocoa powder, then whisk until smooth.
  3. In a separate bowl, mix together the flour, baking powder, baking soda, and salt.
  4. In another bowl, cream the softened butter and granulated sugar until light and fluffy.
  5. Add the eggs one at a time, mixing well after each addition, then stir in the vanilla extract.
  6. Gradually add the dry ingredients to the butter mixture, alternating with the Guinness mixture, beginning and ending with the dry ingredients.
  7. Divide the batter evenly between the prepared cake pans and bake for 30-35 minutes, or until a toothpick inserted in the center comes out clean.
  8. Allow the cakes to cool in the pans for 10 minutes, then turn them out onto wire racks to cool completely.
  9. For the Irish buttercream, beat the heavy cream until soft peaks form, then gradually add the powdered sugar and Irish cream liqueur until smooth and creamy.
  10. Once the cakes are completely cool, spread the Irish buttercream between the layers and on the top and sides of the cake.
  11. Optional: Decorate with chocolate shavings or a dusting of cocoa powder before serving.

How to Serve Guinness Chocolate Cake

Slice the Guinness Chocolate Cake into generous pieces and serve it on plates. It pairs beautifully with coffee or tea. For a special touch, you can add a dollop of extra Irish buttercream or serve it with a scoop of vanilla ice cream.

How to Store Guinness Chocolate Cake

Store the leftover cake in an airtight container at room temperature for up to three days. If you want to keep it longer, you can refrigerate it for about a week. Be sure to let it come to room temperature before serving again for the best taste and texture.

Tips to Make Guinness Chocolate Cake

  • Make sure all your ingredients are at room temperature before starting; this helps them mix better.
  • Don’t overmix the batter once you add the flour; mix just until combined for a lighter cake.
  • If you don’t have Irish cream liqueur, you can simply leave it out or use an alternative flavoring.

Variation

You can add chocolate chips or nuts to the batter for extra texture. If you want a twist, try substituting the Guinness with another stout or dark beer.

FAQs

1. Can I make this cake ahead of time?
Yes! You can bake the cakes a day in advance. Just store them in an airtight container until you’re ready to frost and serve.

2. What if I don’t have Guinness beer?
You can use any dark stout beer or try substituting with brewed coffee for a different flavor.

3. Can I freeze this cake?
Absolutely! Wrap the cooled cakes tightly in plastic wrap and aluminum foil, then freeze for up to three months. Thaw in the fridge before serving.

Print
clock clock iconcutlery cutlery iconflag flag iconfolder folder iconinstagram instagram iconpinterest pinterest iconfacebook facebook iconprint print iconsquares squares iconheart heart iconheart solid heart solid icon

Guinness Chocolate Cake with Irish Buttercream


5 Stars 4 Stars 3 Stars 2 Stars 1 Star

No reviews

  • Author: desserts
  • Total Time: 50 minutes
  • Yield: 12 servings 1x
  • Diet: None

Description

A moist chocolate cake infused with Guinness beer and topped with creamy Irish buttercream, perfect for celebrations.


Ingredients

Scale
  • 1 cup Guinness beer
  • 1 cup unsweetened cocoa powder
  • 2 cups all-purpose flour
  • 2 cups granulated sugar
  • 1 ½ teaspoons baking powder
  • 1 ½ teaspoons baking soda
  • 1 teaspoon salt
  • 1 cup unsalted butter, softened
  • 4 large eggs
  • 1 teaspoon vanilla extract
  • 1 cup heavy cream
  • 2 cups powdered sugar
  • 1 teaspoon Irish cream liqueur (optional)

Instructions

  1. Preheat your oven to 350°F (175°C) and grease two 9-inch round cake pans.
  2. In a large mixing bowl, combine the Guinness beer and cocoa powder, then whisk until smooth.
  3. In a separate bowl, mix together the flour, baking powder, baking soda, and salt.
  4. In another bowl, cream the softened butter and granulated sugar until light and fluffy.
  5. Add the eggs one at a time, mixing well after each addition, then stir in the vanilla extract.
  6. Gradually add the dry ingredients to the butter mixture, alternating with the Guinness mixture, beginning and ending with the dry ingredients.
  7. Divide the batter evenly between the prepared cake pans and bake for 30-35 minutes, or until a toothpick inserted in the center comes out clean.
  8. Allow the cakes to cool in the pans for 10 minutes, then turn them out onto wire racks to cool completely.
  9. For the Irish buttercream, beat the heavy cream until soft peaks form, then gradually add the powdered sugar and Irish cream liqueur until smooth and creamy.
  10. Once the cakes are completely cool, spread the Irish buttercream between the layers and on the top and sides of the cake.

Notes

Optional: Decorate with chocolate shavings or a dusting of cocoa powder before serving.

  • Prep Time: 15 minutes
  • Cook Time: 35 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: Irish

Nutrition

  • Serving Size: 1 slice
  • Calories: 450
  • Sugar: 35g
  • Sodium: 500mg
  • Fat: 20g
  • Saturated Fat: 10g
  • Unsaturated Fat: 8g
  • Trans Fat: 0g
  • Carbohydrates: 55g
  • Fiber: 2g
  • Protein: 6g
  • Cholesterol: 80mg
About Author

Chef Olivia

Leave a Reply

Your email address will not be published. Required fields are marked *

Recipe rating 5 Stars 4 Stars 3 Stars 2 Stars 1 Star