I’ve always had a soft spot for desserts that feel like a warm hug with a twist, and this Guinness Chocolate Cake with Irish Buttercream is the one that stole my heart from the first bite. One chilly evening, craving something rich and a little cheeky, I decided to blend chocolate with a splash of Irish stout—and oh my gosh, it’s been my obsession ever since. I’m so excited to share it with you because it’s pure joy in every fudgy, frosted slice. The spark came from my love for bold flavors—those treats that surprise your taste buds and make you feel like you’ve stumbled into a cozy pub. I wanted a cake I could whip up for a special night or just to indulge myself, something that’d make me feel like a baking rockstar without too much fuss. This beauty, with its moist Guinness layers, silky Irish buttercream, and dripping chocolate ganache, is my dream dessert come true. I’ll be honest—the first time I made it, I was a bit jittery; would the beer really work in a cake? But when I sliced into those dark, tender layers and tasted that boozy richness, I knew I’d hit gold. Now, every time I bake it, I feel like I’m crafting a little Irish celebration. I’m no pro baker—just a gal who loves a good sweet kick—and I want you to feel that thrill too. You don’t need fancy skills, just an oven and a taste for adventure. Trust me, once you try this, you’ll be plotting your next excuse to make it.
Nostalgic Appeal
This cake whisks me back to those cozy nights when my family would gather around a crackling fire, swapping stories over something sweet and indulgent. It’s not a recipe from my childhood, but it’s got that hearty, comforting vibe—like a treat you’d find in a rustic Irish cottage. Every bite feels like a memory I didn’t know I’d tucked away. I can still picture myself as a kid, sneaking extra frosting off a cake while the grown-ups sipped their drinks and laughed. This Guinness Chocolate Cake brings that warmth back, though now I’m the one wielding the spatula with a grin. It’s my grown-up nod to those sugar-dusted, carefree days. When the stout mixes with the cocoa and the buttercream swirls, it’s like I’m back in a snug kitchen with the kettle on. It’s wild how a cake can tug you into the past without even trying. For me, it’s like sharing a slice of those cozy moments with every serving. I hope when you bake it, it stirs up your own happy flashbacks. Maybe it’s a chocolate cake from a party or a warm drink on a cold night. This cake’s got a knack for sparking joy and nostalgia all at once.
Homemade Focus
Making this cake at home is one of my favorite little wins—no bakery run, just pure love from my own hands. I adore that every layer—the fudgy cake, the creamy buttercream, the dripping ganache—comes straight from my kitchen, no shortcuts needed. It’s my chill way of saying “I made this” while I whip up something irresistible. When I sift the cocoa or beat the butter, I feel like I’m playing with edible happiness. It’s not about perfection—it’s the smell, the mess, and that “look what I did!” moment when it’s stacked. I swear, it tastes better because I poured myself into it. What I love most is how forgiving it is. If my ganache drips too much or I skimp on sugar, it still turns out amazing—homemade vibes don’t care about flaws. Every time I bake it, it’s a little bit me, a little bit chaos. This cake’s my no-stress hero, a way to treat myself without breaking a sweat. I’d love for you to feel that same rush when you stack those layers. It’s not just a cake—it’s your own sweet triumph on a plate.
Flavor Goal
When I set out to make this cake, I was chasing a flavor adventure: deep chocolate with a boozy twist, creamy sweetness, and a glossy finish that’d make me weak in the knees. I wanted it rich yet balanced, indulgent but not heavy, with layers that play together like a perfect Irish jig. And let me tell you, I nailed it—it’s a grin-inducing masterpiece every time. The Guinness cake hits you first with that moist, fudgy cocoa depth, spiked with a subtle stout kick that warms your soul. Then the Irish buttercream swoops in, all silky and sweet with that Bailey’s glow—it’s like a creamy cloud you can’t resist. The chocolate drip tops it off, glossy and bold, tying it all into pure decadence. I didn’t want a plain cake—just something that’d make me sigh with delight without weighing me down. My goal was a treat that feels like a pub night in dessert form, something you’d crave without guilt. I got there, and I’m dying for you to taste it too. The oven fills my kitchen with that chocolate-beer promise, and the ganache seals the deal—fudgy, creamy, boozy bliss. I hope it hooks you like it did me—it’s meant to light up your day. This cake’s my love letter to Irish-inspired decadence.
Ingredient Insights
Let’s talk about all-purpose flour—it’s my trusty base that holds this cake together. I whisk it in and love how it builds that tender crumb—it’s simple but does the heavy lifting. It’s my foundation friend! Oh, granulated sugar is my sweet spark—gives that classic sweetness I crave. I mix it in and feel the batter bloom—it’s the joy that makes it sing. Then there’s unsweetened cocoa powder, my chocolate soul—brings that rich, deep kick I adore. I sift it in and dream of fudgy bliss—it’s the heart of this cake. How about baking soda and baking powder? They’re my rise-and-shine duo—puff it up nice and tall. I toss them in and know they’re working magic—it’s my lift-off team. The fine salt is my tiny flavor booster—just a pinch, but it sharpens the chocolate. I sprinkle it in and feel it wake things up—it’s my quiet spark. The sour cream is my moist-maker—adds that tangy richness I love. I whisk it in and love how it smooths the batter—it’s my must-have zing. The vegetable oil is my slick trick—keeps it juicy and soft. I pour it in and feel it blend—it’s my silent hero. The large eggs are my fluffy binders—hold it all with love. I crack them in and watch it fluff—it’s my little lift. The vanilla extract is my cozy whisper—warms it all with a sweet hum. I splash it in and breathe it in—it’s my comfort note. The Guinness beer is my boozy star—adds that stouty depth I can’t resist. I pour it in and grin at the fizz—it’s my Irish twist. For the buttercream, unsalted butter is my creamy queen—beats into smoothness I can’t get enough of. I whip it up and love the silk—it’s my frosting star. The powdered sugar is my gentle sweet—blends in like a dream. I sift it in and love how it fluffs—it’s my fluffy friend. The Irish cream is my boozy kiss—turns it silky and rich with Bailey’s charm. I drizzle it in and feel fancy—it’s my creamy glow. For the drip, semisweet chocolate is my glossy king—melts into shine I can’t resist. I chop it up and dream of ganache—it’s my crowning glory. The heavy cream is my silky lift—turns it all pourable and lush. I heat it up and love how it transforms—it’s my final decadence.
Essential Equipment
My oven’s my baking buddy—cranks to 350°F and gets this cake going. I preheat it and feel the buzz kick in—it’s where the chocolate magic starts. It’s my warm heart. Two 8-inch wide x 3-inch deep cake pans are my canvas—I grease and line them, loving how they stack up. They’ve gotta hold all that fudgy goodness—it’s my baking duo. An electric or handheld mixer is my arm-saver—I whip batter and frosting with it, grinning as it hums. If I’m old-school, a whisk works too, but I love the speed—it’s my fluff maker. A small saucepan is my drip pot—I simmer cream with glee. It’s simple but makes it happen—it’s my ganache pal. Mixing bowls are my playground—I whisk and stir with joy. Big ones for batter and frosting—it’s my mixing haven.
List of Ingredients with Measurements
Here’s everything I use, measured out with love:
- For the Guinness Chocolate 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 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 beer
- For the Irish 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)
- For the Chocolate Drip:
- 4 ounces (113 grams) semisweet or bittersweet chocolate, finely chopped
- 1/2 cup heavy cream
- Sprinkles or chocolate curls for topping (optional)
I line it all up on my counter, and it’s like an Irish chocolate treasure trove. This makes a stunning two-layer cake—perfect for sharing or hoarding, depending on my vibe. It’s my roadmap to boozy bliss. I always double-check my stash before I start—it’s my ritual to stay chill. Nothing’s worse than missing Guinness mid-mix, right? Keeps me in the zone and ready to bake.
Step-by-Step Instructions
Step 1: Preheat and Prep
Let’s dive in—crank your oven to 350°F and feel the kitchen hum with promise. Grab two 8-inch wide x 3-inch deep cake pans—grease them generously with butter or spray, then line the bottoms with parchment rounds (I love that extra slip!). Take a sec to breathe—this is gonna be a fudgy wonder, and you’re already rocking it.
Step 2: Whisk the Dry Mix
In a big mixing bowl, whisk 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, and 1 teaspoon fine salt—give it a good stir (I love that cocoa cloud poofing up!). It’s all dry and ready—set it aside and feel the chocolate vibes starting. This is the base of our boozy dream!
Step 3: Blend the Wet Magic
In a medium bowl, whisk 3/4 cup sour cream (or yogurt), 1/2 cup vegetable oil, 3 large eggs, 1 teaspoon vanilla extract, and 1 cup Guinness beer—mix until it’s smooth and that stouty fizz blends in (I grin every time I see those bubbles!). Keep going ‘til it’s a happy, velvety swirl—my heart’s racing with that beer twist. This is where the moistness comes alive!
Step 4: Combine and Pour
Pour your wet mix into the dry, stirring gently with a spatula until just combined—watch for flour pockets but don’t overmix (I love seeing it turn into batter!). Divide it evenly between your two pans—smooth the tops and pop them in the oven for 35-40 minutes—check with a cake tester ‘til it’s clean, then cool in the pans for 30 minutes before turning onto racks (I’m drooling just thinking about it!). If you can, freeze the cakes while you whip up the buttercream—it’s my secret for easy frosting.
Step 5: Whip the Irish Buttercream
In a big bowl, beat 4 sticks of cool unsalted butter with a mixer ‘til light and fluffy—take your time (I love that creamy swirl!). Gradually add 6 cups sifted powdered sugar, then 1/4 cup plus 2 tablespoons Irish cream—beat on high for 3 minutes ‘til it’s silky and smooth (I sneak a taste of that Bailey’s kick!). Adjust with more cream if thick or sugar if thin—it’s frosting heaven now!
Step 6: Assemble the Layers
Place one cake layer on a stand or plate—spread a big scoop of buttercream over it, smoothing with an offset spatula (I pile it on for that naked look!). Stack the second layer, flat side up—spread a thin crumb coat all over, sealing in those crumbs like spackle (I feel like an artist here!). Chill it in the fridge or freezer ‘til firm—then frost with the rest, focusing on the top for that rustic vibe—I’m grinning at this beauty!
Step 7: Make the Chocolate Drip
Chop 4 ounces semisweet chocolate and toss it in a heatproof bowl—heat 1/2 cup heavy cream in a small pan ‘til simmering, then pour over the chocolate (I love that steamy moment!). Cover for a few minutes, then stir ‘til smooth—let it cool 10 minutes ‘til thick but pourable (I test it on a glass—too thick, zap it; too thin, wait!). This ganache is gonna drip like a dream.
Step 8: Add the Drip and Decorate
Pour some ganache over the chilled cake—smooth it quick with an offset spatula to the edges, then use a squeeze bottle to drip down the sides (I go slow and feel fancy!). Before it sets, sprinkle on chocolate curls or sprinkles—don’t wait too long or they won’t stick (I love that final flourish!). Let it set a bit—room temp is perfect for that fudgy bite.

Troubleshooting
If my cake’s dry, I overbaked it—next time, I’ll check at 35 minutes and pull sooner. It’s a bummer when it’s tough, but I slather on frosting and save it. Still delicious. Sometimes the buttercream’s grainy—ugh, I didn’t sift enough—I sift twice next go. Smooths out fine, and I learn every time. Keeps it silky. If the ganache won’t drip, it’s too thick—I zap it a bit next round. Adds more cream if needed—it’s a hiccup, not a ruin. Tastes great anyway. When layers sink, I cooled too fast—I let ‘em sit longer next time. Patience pays off, and it’s perfect.
Tips and Variations
I love swapping sour cream for Greek yogurt—same amount, tangier vibe. Keeps it moist, and I feel clever tweaking it. The cake’s cool with it. Sometimes I add a pinch of espresso powder to the batter—amps up that chocolate kick. It’s subtle, and friends go “what’s that?”—try it if you’re bold. If I want extra crunch, I toss chopped pecans into the ganache—double texture joy! It’s a treat, and I love the surprise. It’s my nutty twist. For a lighter vibe, I cut the sugar in the frosting—still sweet enough. Balances it out, and I enjoy the tweak. Makes it my own.
Serving and Pairing Suggestions
I serve this with a stout beer—the dark and fudgy combo is my evening bliss. It’s a pub vibe that keeps me grinning. Perfect for chill nights. It’s killer with a scoop of coffee ice cream when I’m indulging big—melts into the cake, and I’m in heaven. My weekend treat—everyone begs for more. I bring it to parties sliced up with extra curls on top—it looks so pro. Friends rave, and I soak up the “you baked this?” vibes. It’s my party ace. I stash leftovers covered and sneak bites at night—pure guilty joy. Pair it with Irish coffee, and I’m in a cozy dream. Nothing beats that quiet snack.
Nutritional Information
This cake’s loaded with fats from butter and cream, but they keep me happy and going. It’s not light, but it fuels my soul, and I don’t stress it. Every bite’s a lift. Eggs sneak in some protein—I feel a tiny bit smug about that. It’s not health food, but it’s got a little good tucked in. I call it my balance. Sugar’s high with the cake and frosting, but I don’t count—it’s a treat, not a test. The cocoa adds a dose of joy I love, so I feel less naughty. It’s rich, and I savor it slow. No exact numbers here, but it’s a joy bomb more than anything. Calories? Plenty, but worth it for the smiles it brings. I eat it and feel alive—that’s the win.
PrintGuinness Chocolate Cake with Irish Buttercream: A Boozy, Fudgy Delight
Bake this Guinness Chocolate Cake with Irish Buttercream—moist, rich layers topped with creamy frosting and a chocolate drip. Pure decadence!
Ingredients
Here’s everything I use, measured out with love:
- For the Guinness Chocolate 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 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 beer
- For the Irish 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)
- For the Chocolate Drip:
- 4 ounces (113 grams) semisweet or bittersweet chocolate, finely chopped
- 1/2 cup heavy cream
- Sprinkles or chocolate curls for topping (optional)
I line it all up on my counter, and it’s like an Irish chocolate treasure trove. This makes a stunning two-layer cake—perfect for sharing or hoarding, depending on my vibe. It’s my roadmap to boozy bliss. I always double-check my stash before I start—it’s my ritual to stay chill. Nothing’s worse than missing Guinness mid-mix, right? Keeps me in the zone and ready to bake.
Instructions
Step 1: Preheat and Prep
Let’s dive in—crank your oven to 350°F and feel the kitchen hum with promise. Grab two 8-inch wide x 3-inch deep cake pans—grease them generously with butter or spray, then line the bottoms with parchment rounds (I love that extra slip!). Take a sec to breathe—this is gonna be a fudgy wonder, and you’re already rocking it.
Step 2: Whisk the Dry Mix
In a big mixing bowl, whisk 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, and 1 teaspoon fine salt—give it a good stir (I love that cocoa cloud poofing up!). It’s all dry and ready—set it aside and feel the chocolate vibes starting. This is the base of our boozy dream!
Step 3: Blend the Wet Magic
In a medium bowl, whisk 3/4 cup sour cream (or yogurt), 1/2 cup vegetable oil, 3 large eggs, 1 teaspoon vanilla extract, and 1 cup Guinness beer—mix until it’s smooth and that stouty fizz blends in (I grin every time I see those bubbles!). Keep going ‘til it’s a happy, velvety swirl—my heart’s racing with that beer twist. This is where the moistness comes alive!
Step 4: Combine and Pour
Pour your wet mix into the dry, stirring gently with a spatula until just combined—watch for flour pockets but don’t overmix (I love seeing it turn into batter!). Divide it evenly between your two pans—smooth the tops and pop them in the oven for 35-40 minutes—check with a cake tester ‘til it’s clean, then cool in the pans for 30 minutes before turning onto racks (I’m drooling just thinking about it!). If you can, freeze the cakes while you whip up the buttercream—it’s my secret for easy frosting.
Step 5: Whip the Irish Buttercream
In a big bowl, beat 4 sticks of cool unsalted butter with a mixer ‘til light and fluffy—take your time (I love that creamy swirl!). Gradually add 6 cups sifted powdered sugar, then 1/4 cup plus 2 tablespoons Irish cream—beat on high for 3 minutes ‘til it’s silky and smooth (I sneak a taste of that Bailey’s kick!). Adjust with more cream if thick or sugar if thin—it’s frosting heaven now!
Step 6: Assemble the Layers
Place one cake layer on a stand or plate—spread a big scoop of buttercream over it, smoothing with an offset spatula (I pile it on for that naked look!). Stack the second layer, flat side up—spread a thin crumb coat all over, sealing in those crumbs like spackle (I feel like an artist here!). Chill it in the fridge or freezer ‘til firm—then frost with the rest, focusing on the top for that rustic vibe—I’m grinning at this beauty!
Step 7: Make the Chocolate Drip
Chop 4 ounces semisweet chocolate and toss it in a heatproof bowl—heat 1/2 cup heavy cream in a small pan ‘til simmering, then pour over the chocolate (I love that steamy moment!). Cover for a few minutes, then stir ‘til smooth—let it cool 10 minutes ‘til thick but pourable (I test it on a glass—too thick, zap it; too thin, wait!). This ganache is gonna drip like a dream.
Step 8: Add the Drip and Decorate
Pour some ganache over the chilled cake—smooth it quick with an offset spatula to the edges, then use a squeeze bottle to drip down the sides (I go slow and feel fancy!). Before it sets, sprinkle on chocolate curls or sprinkles—don’t wait too long or they won’t stick (I love that final flourish!). Let it set a bit—room temp is perfect for that fudgy bite.
Recipe Summary and Q&A
This Guinness Chocolate Cake with Irish Buttercream is my pride: fudgy layers, boozy frosting, and ganache, baked at 350°F for 35-40 minutes, stacked to perfection. I whip it up—mix, bake, frost, drip—and it’s a chocolate lover’s dream. It’s my Irish masterpiece. Can I freeze it? Yup, wrap it tight and stash it for a month—thaws like a champ. Perfect for cravings on demand. What if I skip Guinness? Use coffee or water—it’s still delish. No fuss, it’s flexible like me. Why’s my cake dense? Maybe overmixed—I go gentle next time. It’s all trial and love, and I’ve got it now.