Some recipes start with inspiration. This one started with confusion.

A few years ago I was at a small gathering where someone mentioned Chocolate Guinness Cake. My first thought was honestly, Wait… beer in a cake? That sounded like either a genius move or a kitchen disaster waiting to happen.

I’ve baked enough things to know that chocolate can handle a lot, but stout beer in dessert felt like a bold experiment. Still, curiosity tends to win in my kitchen. I had a couple bottles of Guinness sitting in the fridge, and the idea stuck in my head for days.

One rainy afternoon I finally gave in.

The process felt a little strange at first. Boiling down stout, mixing it into chocolate batter, hoping the whole thing didn’t taste like a bakery accidentally fell into a brewery.

But then the cake came out of the oven.

Dark. Rich. Moist. The kind of chocolate cake that smells so good you suddenly forget patience exists.

And the beer? You don’t actually taste beer the way you expect. Instead, it deepens the chocolate flavor in this mysterious way, like someone secretly turned the “richness” dial up a few notches.

Once I topped it with fluffy cream cheese frosting, it looked like a pint of Guinness too. Dark cake with a pale creamy top.

That’s when I realized this cake wasn’t just good. It was dangerously good.

Now it’s one of those desserts I bring out when I want people to say, “Wait… there’s beer in this?”

Why This Cake Keeps Coming Back to My Kitchen

This cake didn’t just pass the taste test. It became one of those recipes I trust.

• Ridiculously Rich Chocolate Flavor: The Guinness doesn’t make it taste like beer. It just makes the chocolate deeper and more intense.
• Moist Without Being Heavy: Some chocolate cakes feel dense like bricks. This one stays soft and tender.
• Surprisingly Easy: The name sounds fancy, but the steps are actually very straightforward.
• The Cream Cheese Frosting Balance: The tangy frosting cuts through the rich cake perfectly.
• It Always Gets Reactions: When people hear there’s stout in the cake, they immediately want to try it.
• Perfect for Celebrations: Birthdays, holidays, or just a random Saturday night when dessert feels necessary.
• It Looks Dramatic: The dark chocolate cake with the snowy frosting top looks impressive without much effort.
• It Somehow Gets Better the Next Day: The flavors settle in overnight and the cake becomes even richer.

Ingredients You’ll Need

For the Cake

For the Frosting

1. Cooking spray
2. ¾ cup unsweetened cocoa powder, plus more for dusting the pan
3. 2 bottles (11 oz each) Guinness stout
4. 2 large eggs
5. 2 cups granulated sugar
6. 1 cup sour cream
7. ¾ cup vegetable oil
8. 2 teaspoons vanilla extract
9. 1¾ cups all purpose flour
10. 2 teaspoons baking soda
11. 1 teaspoon kosher salt

12. 2 packages cream cheese, softened
13. 2 cups confectioners’ sugar
14. 1 teaspoon vanilla extract

How I Make Chocolate Guinness Cake

Step 1: Preheat your oven to 350°F and place a rack in the center. Grease a 9 inch springform pan with cooking spray and dust it lightly with cocoa powder.

Step 2: Pour the Guinness stout into a saucepan and bring it to a boil over medium high heat.

Step 3: Let it simmer until it reduces down to about 1 cup, which takes roughly 15 to 20 minutes. Set it aside and let it cool completely.

Step 4: In a large bowl, beat the eggs and sugar using a hand mixer until the mixture becomes pale and fluffy.

Step 5: Add the sour cream, vegetable oil, and vanilla extract, then mix until smooth.

Step 6: Slowly whisk the cooled Guinness reduction into the batter.

Step 7: In another bowl, whisk together the flour, baking soda, cocoa powder, and salt.

Step 8: Add the dry ingredients to the wet mixture and fold gently until just combined. Don’t overmix.

Step 9: Pour the batter into the prepared pan.

Step 10: Bake for 50 to 60 minutes, until a toothpick inserted in the center comes out mostly clean but still slightly moist.

Step 11: Let the cake cool completely on a wire rack before frosting.

Making the Cream Cheese Frosting

1. In a bowl, beat the cream cheese until smooth and fluffy.
2. Add the confectioners’ sugar and vanilla and mix gently with a spatula first to avoid a sugar cloud.
3. Beat again with a mixer until the frosting becomes light, fluffy, and spreadable.
4. Spoon the frosting onto the center of the cooled cake and spread it outward with the back of a spoon or spatula.

I usually leave the sides unfrosted so the cake looks like a pint of stout with a foamy top.

Tips and Tricks I Learned Along the Way

This cake gets easier every time I make it.

• Reduce the Guinness Properly: Boiling it down concentrates the flavor without making the cake watery.
• Let the Beer Cool First: Adding hot liquid to eggs can scramble them. Ask me how I know.
• Don’t Overmix the Batter: Overmixing makes the cake tougher than it should be.
• Use a Springform Pan: It makes removing the cake much easier.
• Sour Cream Is Key: It adds moisture and a slight tang that balances the sweetness.
• Frost Only the Top: This is traditional and gives the cake its signature “Guinness look.”
• Cool the Cake Completely: Frosting a warm cake turns the frosting into a puddle.
• Taste the Frosting: Sometimes I add a little extra vanilla if I’m feeling generous.

Chocolate Guinness Cake

Chocolate Guinness Cake is a rich, moist dessert made with stout beer and cocoa powder, topped with a creamy cream cheese frosting that balances the deep chocolate flavor.

Print Recipe Pin Recipe

Prep Time 30 minutes mins

Cook Time 2 hours hrs

Servings: 8

Course: Dessert

Cuisine: irish

Calories: 950

Ingredients Equipment Method

Ingredients

  

Cake

• Cooking spray
• 3/4 cup unsweetened cocoa powder plus more for pan
• 2 11-oz. bottles Guinness stout
• 2 large eggs
• 2 cups 400 g. granulated sugar
• 1 cup sour cream
• 3/4 cup vegetable oil
• 2 tsp. pure vanilla extract
• 1 3/4 cups 210 g. all-purpose flour
• 2 tsp. baking soda
• 1 tsp. kosher salt

Frosting

• 2 8-oz. pkg. cream cheese, softened
• 2 cups 230 g. confectioners’ sugar
• 1 tsp. pure vanilla extract

Equipment

• Oven
• 9-inch springform pan
• Cooking spray
• Medium saucepan
• Large mixing bowl
• Medium mixing bowl
• Whisk
• Handheld mixer
• Spatula
• Measuring cups and spoons
• Wire rack
• Offset spatula or spoon (for frosting)

Method

 

Cake

1. Place a rack in the center of the oven and preheat to 350°F (175°C). Grease a 9-inch springform pan with cooking spray, then dust it with cocoa powder and tap out the excess.
2. In a medium saucepan over medium-high heat, bring the stout to a boil. Cook while stirring occasionally until the liquid reduces to about 1 cup, around 15 to 20 minutes. Allow it to cool to room temperature.
3. In a large bowl, beat the eggs and granulated sugar using a handheld mixer on medium-high speed until the mixture becomes pale and fluffy, about 2 minutes. Add the sour cream, vegetable oil, and vanilla extract, then beat until fully combined.
4. Pour the cooled Guinness into the egg mixture and whisk until smooth and evenly incorporated.
5. In a separate medium bowl, whisk together the flour, baking soda, cocoa powder, and salt. Add this dry mixture to the egg mixture and gently fold until just combined, making sure not to overmix. Pour the batter into the prepared pan.
6. Bake the cake for 50 to 60 minutes, or until a tester inserted in the center comes out mostly clean. It should not come out completely clean to keep the cake moist. Place the pan on a wire rack and let it cool.
7. Frosting
8. In a large bowl, beat the softened cream cheese using a handheld mixer on medium-high speed until light and fluffy, about 2 minutes. Add the confectioners’ sugar and vanilla, mixing gently with a spatula until incorporated. Continue beating with the mixer on medium-high speed until the frosting becomes light and fluffy.
9. Spoon the frosting onto the center of the cooled cake. Use the back of a spoon or an offset spatula to spread it across the top as desired.

Nutritional Information (Per Serving)

Variations You Might Want to Try

Once you’ve made this cake once, it’s fun to experiment.

• Chocolate Ganache Version: Replace the frosting with a silky chocolate ganache for an ultra rich dessert.
• Cupcake Version: Bake the batter in cupcake tins for about 18 to 20 minutes.
• Salted Caramel Drizzle: A drizzle of caramel sauce on top is ridiculously good.
• Mocha Guinness Cake: Add a teaspoon of instant espresso powder to deepen the chocolate flavor.
• Layer Cake Style: Bake two thinner layers and frost between them.
• Dark Chocolate Chunks: Fold chocolate chunks into the batter for melty pockets.

Storage and Leftover Tips

This cake keeps surprisingly well.

• Room Temperature: Store covered for up to 2 days.
• Refrigerator Storage: Because of the cream cheese frosting, keeping it in the fridge is safest after the first day.
• Bring to Room Temperature Before Serving: Cold cake hides some of the chocolate flavor.
• Freezing the Cake: The unfrosted cake freezes beautifully for up to two months.
• Freeze Individual Slices: Wrap slices tightly for quick dessert later.

How I Like to Serve This Cake

There are a few ways I enjoy this cake the most.

• Classic Slice with Coffee: Chocolate cake and coffee is always a good idea.
• With Vanilla Ice Cream: The cold ice cream and rich cake balance each other perfectly.
• With Fresh Berries: Strawberries or raspberries cut through the richness nicely.
• After a Big Dinner: This cake makes a great finish to a hearty meal.
• With an Actual Guinness: It’s a little on the nose, but honestly… it works.

FAQs

1. Does the cake taste like beer?
   Not really. The Guinness mostly deepens the chocolate flavor rather than tasting like beer.
2. Can I use another stout instead of Guinness?
   Yes, any dark stout beer should work well.
3. Is the alcohol still present after baking?
   Most of the alcohol cooks off during boiling and baking.
4. Can I make this cake ahead of time?
   Yes. It actually tastes even better the next day.
5. Can I use a regular cake pan instead of springform?
   You can, but lining the pan well will make removal easier.
6. Why reduce the stout first?
   Reducing concentrates the flavor and prevents excess liquid in the batter.
7. Can I make this cake without alcohol?
   You could substitute strong coffee or espresso for a similar depth of flavor.
8. Can I freeze the frosted cake?
   Yes, though freezing unfrosted cake tends to keep the texture better.

The Last Bite

Chocolate cake is already one of life’s great pleasures. Adding Guinness somehow makes it feel a little deeper, a little richer, and a lot more interesting.

If you’ve never baked with stout before, this cake is the perfect place to start.

And if someone raises an eyebrow when you mention beer in dessert, just hand them a slice.

They’ll understand pretty quickly.