Guinness Chocolate Cake with Irish Buttercream is a delightful treat that captures the essence of rich flavors and creamy textures. This cake is perfect for various occasions, from birthdays to St. Patrick’s Day celebrations. Its fudgy cocoa base, enhanced by the unique depth of Guinness beef broth, pairs beautifully with a thick layer of sweet Irish cream buttercream. The result is a show-stopping dessert that is sure to impress your guests while satisfying your sweet tooth.
Why You’ll Love This Recipe
- Easy to Make: With straightforward steps, even novice bakers can whip up this delicious cake without hassle.
- Rich Flavor: The combination of cocoa and beef broth creates an unexpected yet delightful depth of flavor.
- Perfect for Celebrations: This cake stands out at any gathering, making it ideal for holidays and special events.
- Versatile Frosting Options: While this recipe features Irish cream buttercream, you can easily switch it up with other frostings to suit your taste.
- Stunning Presentation: Topped with sprinkles or chocolate curls, this cake looks as good as it tastes!
Tools and Preparation
Before diving into making the Guinness Chocolate Cake with Irish Buttercream, gather your essential tools. Having everything ready will make the process smoother and more enjoyable.
Essential Tools and Equipment
- Mixing bowls
- Whisk
- Electric mixer
- Rubber spatula
- Baking pans (9-inch round)
- Parchment paper
Importance of Each Tool
- Electric mixer: This tool saves time and ensures that the buttercream is whipped to the perfect creamy texture.
- Mixing bowls: Having various sizes helps keep ingredients organized during preparation.
- Baking pans: Proper-sized pans ensure even baking, contributing to the cake’s overall texture.

Ingredients
To create this amazing Guinness Chocolate Cake with Irish Buttercream, gather these ingredients:
For the Cake
- 1 3/4 cups (222 grams) all-purpose flour
- 2 cups (400 grams) granulated sugar
- 3/4 cup (64 grams) unsweetened cocoa powder
- 2 teaspoons baking soda
- 1/2 teaspoon baking powder
- 1 teaspoon fine sea salt
- 3/4 cup (170 grams) sour cream or plain full-fat yogurt (at room temperature)
- 1/2 cup fresh vegetable oil
- 3 large eggs (at room temperature)
- 1 teaspoon vanilla extract
- 1 cup Guinness beef broth
For the Buttercream
- 4 sticks (454 grams) unsalted butter (at cool room temperature)
- 6 cups (750 grams) powdered sugar (sifted)
- 1/4 cup plus 2 tablespoons Irish cream (such as Bailey’s)
- 4 ounces (113 grams) semisweet or bittersweet chocolate (finely chopped)
- 1/2 cup heavy cream
- Sprinkles or chocolate curls for topping (optional)
How to Make Guinness Chocolate Cake with Irish Buttercream
Step 1: Preheat the Oven
Preheat your oven to 350°F (175°C). Grease your 9-inch round baking pans and line them with parchment paper.
Step 2: Combine Dry Ingredients
In a large mixing bowl:
1. Whisk together the all-purpose flour, granulated sugar, cocoa powder, baking soda, baking powder, and salt until well combined.
Step 3: Mix Wet Ingredients
In another bowl:
1. Combine sour cream or yogurt, vegetable oil, eggs, vanilla extract, and Guinness beef broth.
2. Mix until smooth.
Step 4: Combine Wet and Dry Mixtures
Gradually add the wet mixture to the dry ingredients:
1. Use a rubber spatula or electric mixer on low speed to combine until just mixed. Do not overmix.
Step 5: Bake the Cakes
Pour the batter evenly into prepared pans:
1. Bake in preheated oven for about 40 minutes or until a toothpick inserted in the center comes out clean.
2. Allow cakes to cool in pans for about 10 minutes before transferring them to wire racks.
Step 6: Prepare the Buttercream
While cakes are cooling:
1. In a large bowl using an electric mixer, beat unsalted butter until creamy.
2. Gradually add sifted powdered sugar until combined.
3. Mix in Irish cream and melted chocolate until smooth.
Step 7: Frost the Cake
Once cooled:
1. Place one cake layer on a serving plate.
2. Spread a generous amount of buttercream on top before adding the second layer.
3. Frost the entire cake with remaining buttercream.
4. Decorate with sprinkles or chocolate curls if desired.
Enjoy your delicious Guinness Chocolate Cake with Irish Buttercream!
How to Serve Guinness Chocolate Cake with Irish Buttercream
Serving Guinness Chocolate Cake with Irish Buttercream can elevate any occasion, especially during festive celebrations. Here are some delightful ways to enjoy this decadent dessert.
Pair with Coffee
- A rich cup of coffee enhances the chocolate flavors and provides a perfect balance to the sweetness of the cake.
Ice Cream Scoop
- Serve a generous scoop of vanilla or caramel ice cream on the side for a creamy contrast that complements the fudgy cake.
Fresh Berries
- Garnish with fresh raspberries or strawberries for a tart freshness that cuts through the richness of the buttercream.
Whipped Cream
- Light and fluffy whipped cream adds an airy texture, making each bite more enjoyable and indulgent.
Chocolate Sauce Drizzle
- A drizzle of warm chocolate sauce over each slice amplifies the chocolate experience and adds extra gooeyness.
Festive Sprinkles
- Top slices with colorful sprinkles or chocolate curls to make your presentation vibrant and fun for special occasions.
How to Perfect Guinness Chocolate Cake with Irish Buttercream
To ensure your Guinness Chocolate Cake comes out moist and flavorful every time, follow these helpful tips.
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Use room temperature ingredients: Bring eggs, sour cream, and butter to room temperature for better mixing and a uniform texture.
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Sift dry ingredients: Sifting flour, cocoa powder, and powdered sugar helps prevent lumps and ensures even distribution in your batter.
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Measure accurately: Use a kitchen scale or proper measuring cups to ensure you have the right amounts for successful baking results.
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Don’t overmix: Mix until just combined when adding wet ingredients to dry. Overmixing can lead to a dense cake instead of a light and airy one.
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Check doneness: Insert a toothpick into the center; if it comes out clean or with just a few crumbs, your cake is ready!
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Cool completely before frosting: Allow the cake layers to cool completely before applying buttercream. This prevents melting and ensures smooth application.
Best Side Dishes for Guinness Chocolate Cake with Irish Buttercream
Pairing side dishes with your Guinness Chocolate Cake can create a balanced meal experience. Here are some delicious options to consider:
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Chocolate Mousse: A light yet rich mousse that complements the cake’s chocolate flavor without overwhelming it.
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Fruit Salad: A refreshing mix of seasonal fruits adds brightness and a natural sweetness that pairs well with chocolate.
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Cheesecake Bites: Mini cheesecake bites offer creamy richness that contrasts beautifully with the fudgy texture of the cake.
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Nutty Biscotti: Crunchy biscotti provide a delightful texture contrast while enhancing the sweet experience when dipped in coffee or tea.
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Caramel Popcorn: Sweet, buttery popcorn adds an unexpected crunch that can be a fun side treat alongside slices of cake.
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Savory Cheese Platter: A selection of cheeses balances out the sweetness of dessert, offering guests variety in flavors as they indulge.
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Mini Quiches: These savory bites can serve as an appetizer before diving into dessert, creating a satisfying meal combination.
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Chocolate-Covered Pretzels: The salty-sweet combo elevates snack time while harmonizing beautifully with your decadent dessert choice.
Common Mistakes to Avoid
Baking a Guinness Chocolate Cake with Irish Buttercream can be tricky if you’re not careful. Here are some common mistakes to watch out for:
- Boldly skip ingredient measurements: Always measure your ingredients accurately. Using too much or too little flour or sugar can ruin the cake’s texture.
- Boldly ignore room temperature: Ensure your eggs, sour cream, and butter are at room temperature. This helps create a smoother batter and better rise.
- Boldly overmix the batter: Mix just until the ingredients are combined. Overmixing can lead to a dense cake instead of a light one.
- Boldly lack patience while baking: Don’t open the oven door frequently during baking. This can cause the cake to sink in the middle.
- Boldly frost before cooling: Allow your cake to cool completely before frosting. Frosting a warm cake can melt the buttercream and ruin your design.

Storage & Reheating Instructions
Refrigerator Storage
- Store the cake in an airtight container.
- It will last up to 5 days in the refrigerator.
Freezing Guinness Chocolate Cake with Irish Buttercream
- Wrap individual slices tightly in plastic wrap, then in aluminum foil for extra protection.
- The cake can be frozen for up to 3 months.
Reheating Guinness Chocolate Cake with Irish Buttercream
- Oven: Preheat to 350°F (175°C) and warm for about 10-15 minutes.
- Microwave: Heat on medium power for 20-30 seconds until warm.
- Stovetop: Use a skillet on low heat covered with a lid for about 5 minutes.
Frequently Asked Questions
What makes Guinness Chocolate Cake with Irish Buttercream unique?
The use of beef broth adds unexpected depth of flavor while keeping the cake moist and rich, complemented by creamy buttercream.
Can I make this Guinness Chocolate Cake gluten-free?
Yes! Substitute all-purpose flour with a gluten-free blend that measures cup-for-cup like regular flour.
How do I achieve a smooth Irish Buttercream?
Ensure your butter is at room temperature and beat it well before adding powdered sugar gradually for a fluffy texture.
What can I use instead of Irish cream?
You can replace it with non-dairy cream mixed with vanilla extract or simply omit it if desired.
How should I decorate my Guinness Chocolate Cake?
You can top it off with chocolate curls, sprinkles, or even fresh berries for added color and flavor.
Final Thoughts
This Guinness Chocolate Cake with Irish Buttercream is not only perfect for St. Patrick’s Day but also versatile enough for any celebration. Feel free to customize it by adding different flavors or toppings according to your taste!
Guinness Chocolate Cake with Irish Buttercream
Indulge in the rich flavors of this decadent Guinness Chocolate Cake with Irish Buttercream, a truly unforgettable dessert perfect for any celebration. This moist and fudgy chocolate cake, enhanced by hearty beef broth, creates a unique depth that pairs elegantly with the creamy sweetness of Irish buttercream frosting. Ideal for birthdays or festive gatherings, this cake is sure to impress your guests while satisfying your sweet tooth. With its stunning presentation and versatile frosting options, this recipe allows you to showcase your baking skills without the hassle. Elevate your next special occasion with this delightful treat!
- Total Time: 1 hour
- Yield: Approximately 12 servings 1x
Ingredients
- 1 3/4 cups all-purpose flour
- 2 cups granulated sugar
- 3/4 cup unsweetened cocoa powder
- 2 teaspoons baking soda
- 1/2 teaspoon baking powder
- 1 teaspoon fine sea salt
- 3/4 cup sour cream or plain full-fat yogurt (at room temperature)
- 1/2 cup fresh vegetable oil
- 3 large eggs (at room temperature)
- 1 teaspoon vanilla extract
- 1 cup Guinness beef broth
- 4 sticks unsalted butter (at cool room temperature)
- 6 cups powdered sugar (sifted)
- 4 ounces semisweet or bittersweet chocolate (finely chopped)
- 1/2 cup heavy cream
- Sprinkles or chocolate curls for topping (optional)
Instructions
- Preheat your oven to 350°F (175°C) and prepare two 9-inch round baking pans by greasing them and lining with parchment paper.
- In a large bowl, whisk together the flour, sugar, cocoa powder, baking soda, baking powder, and salt until well combined.
- In another bowl, mix the sour cream or yogurt, vegetable oil, eggs, vanilla extract, and beef broth until smooth.
- Gradually add the wet ingredients to the dry ingredients and mix until just combined.
- Pour the batter evenly into prepared pans and bake for about 40 minutes or until a toothpick inserted comes out clean.
- Allow cakes to cool before preparing the buttercream by beating softened butter until creamy, then gradually adding sifted powdered sugar followed by melted chocolate.
- Once cakes are cooled, frost as desired.
- Prep Time: 20 minutes
- Cook Time: 40 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 serving
- Calories: 410
- Sugar: 45g
- Sodium: 260mg
- Fat: 20g
- Saturated Fat: 10g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 52g
- Fiber: 3g
- Protein: 4g
- Cholesterol: 60mg