Decadent One-Bowl Red Wine Chocolate Cake with Easy Fudgy Boiled Frosting (Gluten-Free Option Included!)
Prepare to be captivated by this Red Wine Chocolate Cake, a dessert that boasts a profound, dark, and irresistibly sultry character. Its bold and sophisticated flavor profile elegantly conceals its remarkably simple, one-bowl preparation method. You can whisk together the cake batter – whether you choose the standard or gluten-free version – in under 10 minutes. While this magnificent cake cools, you’ll swiftly prepare its crowning glory: a quick boiled frosting. This luscious layer, with its caramelly, intensely chocolatey, and delightfully fudgy texture, elevates the entire experience, transforming a simple cake into something truly sublime and unforgettable.

Oh, chocolate . . . how do I love thee?
Oh, yes . . . and you, too, red wine.
I love you both and cannot choose between you.
Luckily for us all, there’s no need to choose! One luxurious bite of this dark and sensual partnership, and you’ll be utterly smitten. Prepare to fall head over heels into a realm of sinful chocolate-and-red-wine love. This cake isn’t just a dessert; it’s an experience, a harmonious blend of two beloved indulgences that come together to create something truly magical.
The Unforgettable Flavor Experience of Red Wine Chocolate Cake
There is a genuinely sultry soul to this cake, a profound and complex dark chocolate flavor that will captivate every chocolate lover. The red wine doesn’t just add liquid; it acts as a catalyst, skillfully drawing out the hidden nuances and deepest notes of the cocoa bean. This creates an extraordinarily rich and decadent cake, pushing it almost to the edge of bitterness, yet it’s gracefully pulled back by the luscious, ooey-gooey caramel-chocolate frosting. The cake itself is carefully crafted to be not overly sweet, allowing the robust chocolate and subtle wine notes to shine. The frosting, while slightly sweeter, balances this perfectly. Together, these elements converge to create the most satisfying and balanced mouthful, a true symphony of flavors that lingers beautifully on the palate.
Many might wonder about the role of red wine in a chocolate cake. Far from merely being a liquid component, red wine interacts with the cocoa in fascinating ways. The tannins and fruit notes in a good red wine (such as a Cabernet Sauvignon, Merlot, or Zinfandel) amplify the depth and complexity of the chocolate, lending a sophisticated fruitiness and a more rounded, less stark bitterness. During the baking process, the alcohol largely evaporates, leaving behind only its exquisite flavor contribution. This means the cake is suitable for all ages, delivering a gourmet taste without the alcoholic content.

Versatility and Serving Suggestions for Your Perfect Chocolate Indulgence
Whether you opt to slice generous pieces for an impressive yet remarkably easy-to-prepare dessert for guests, or prefer to cut this magnificent red wine chocolate cake into smaller, more manageable squares for casual snacking and nibbling, one thing is certain: it will disappear rapidly in any household that appreciates fine chocolate. Don’t let the “red wine” in the name deter you from sharing this delightful treat with children (that is, if you can bear to part with any!). As mentioned, the alcohol from the wine completely evaporates during the baking process, leaving behind only its rich, complex flavor – a subtle fruitiness that elevates the chocolate to new heights and makes it truly sing.
This cake is incredibly versatile. Serve it slightly warm for a softer, more decadent experience, or chilled for a firmer, fudgier texture, especially with the set frosting. It pairs beautifully with a steaming cup of coffee or a robust black tea. For adults looking to further enhance the experience, a small glass of the same red wine used in the cake, or a complementary dessert wine, would be an exquisite accompaniment. A dusting of cocoa powder or a few fresh berries could also add an elegant touch if you’re serving it for a special occasion, though it truly needs no embellishment to impress.
Gather Your Ingredients: The Essentials for this Incredible Cake
You’ll find that the ingredients for this Red Wine Chocolate Cake are mostly common pantry staples, ensuring that this luxurious dessert is always within reach. The secret lies not in exotic components, but in their careful combination.

And for the star of the show – the effortlessly delicious boiled frosting:

How to Make this Decadent One-Bowl Red Wine Chocolate Cake (and Its Amazing Frosting!)
The beauty of this recipe truly lies in its simplicity. For the cake itself, you’ll only need one bowl and a whisk – yes, that’s genuinely all the equipment required! The process is incredibly straightforward: first, whisk together all the liquid ingredients until well combined. Then, introduce the dry ingredients into the same bowl, stir just until everything is incorporated, and your rich chocolate cake batter is ready. Spread this luscious batter into your prepared pan and slide it into the oven. It’s truly that easy to achieve a bake-shop quality cake at home.

Once your cake is baked to perfection and begins its cooling journey, your attention turns to the equally impressive, yet simple, caramel-chocolate frosting. This “boiled icing” might sound complex, but it’s a dream to make. Simply combine the sugar, egg, butter, and vanilla extract in a saucepan. Cook this mixture gently, stirring continuously, until it transforms into a beautiful caramel and just begins to bubble. The moment those first bubbles appear, remove the pot from the heat. Stir in a small handful of chocolate chips, allowing their residual heat to melt them into a glossy, smooth consistency. Then, simply allow the frosting to cool, stirring occasionally, until it reaches that perfect, spreadable, fudgy consistency.

Now comes the moment of truth: generously spread that irresistible, ooey-gooey, silky-smooth mass of caramel-chocolate frosting over your completely cooled red wine chocolate cake. Then, if you possess superhuman patience, wait just a little while until it sets up to a more fudgy texture. If not, dive right in – we won’t tell!

Finally, cut yourself a generous piece of this fantastic red wine chocolate cake. Pour a fresh cup of coffee or a soothing tea – or, for the full adult experience, another glass of that wonderful red wine. Then, close your eyes and savor that heavenly first bite. This is more than just a dessert; it’s a moment of pure, unadulterated bliss.

While summer often calls for lighter, fruity desserts or perhaps a dark chocolate zucchini cake with a chocolate ganache glaze, this luscious Red Wine Chocolate Cake firmly establishes itself as our go-to winter indulgence. It’s precisely what’s needed when we’re nestled in, cocooning with cozy slippers, a good book, and a craving for something profoundly comforting and rich. This cake embodies the warmth and luxury of cooler months, making it an ideal treat for holidays, special gatherings, or simply a cozy evening at home.
Enjoy every delightful crumb!
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Guten Appetit!

One-Bowl Red Wine Chocolate Cake with Easy Boiled Frosting
Margaret Bose Johnson
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Ingredients
for the red wine chocolate cake:
- ½ cup (115gms) salted butter, melted
- ½ cup (120ml) red wine
- ½ cup (100gms) soft, dark brown sugar, firmly packed*
- ⅓ cup (80gms) sour cream
- 1 large egg
- 1 cup (140gms) gluten-free flour or regular flour for non-gluten-free
- ⅓ cup (35gms) unsweetened cocoa powder
- 1 teaspoon baking soda
- ½ teaspoon baking powder
- ¼ teaspoon fine sea salt (increase the salt to ½ teaspoon if using unsalted butter)
for the ooey, gooey boiled caramel-chocolate frosting:
- ½ cup (100gms) soft, dark brown sugar, firmly packed
- 1 large egg
- ¼ cup (60gms) salted butter, diced
- ½ teaspoon pure vanilla extract
- ¼ cup (40gms) chocolate chips
Variation: replace the red wine with dark beer (gluten-free, if necessary)
Instructions
make the one-bowl red wine chocolate cake:
- Preheat the oven to 325℉ (170℃). Grease a 9×9-inch (23x23cm) metal baking pan and line it with parchment paper for easy removal.
- Melt the butter and allow it to cool slightly before adding to other ingredients, ensuring it doesn’t scramble the egg.
- In a large mixing bowl, thoroughly whisk together the red wine, dark brown sugar, sour cream, and the large egg until the mixture is smooth and well combined. Then, slowly whisk in the slightly cooled melted butter.
- Add all the dry ingredients to the bowl: the flour (whether gluten-free or regular), unsweetened cocoa powder (sift it if you notice any lumps for a smoother batter), baking soda, baking powder, and fine sea salt. Stir the dough gently until all the dry ingredients are just incorporated. Be careful not to overmix; a few small lumps are fine. The batter will be quite thick and stiff.
- Scrape the thick batter into your meticulously prepared baking pan, ensuring it fills the corners evenly. Use a silicone spatula or the back of a spoon to smooth the top for a uniform bake.
- Bake for approximately 25 to 30 minutes. You’ll know it’s ready when the top springs back lightly when pressed with a fingertip, or when a toothpick inserted into the center emerges clean, without any wet batter.
- Allow the cake to cool completely in the pan on a wire rack. This is crucial for the frosting application and for the cake to firm up properly.
make the boiled frosting (while the cake is cooling):
- In a small, heavy-bottomed saucepan, combine the dark brown sugar, large egg, diced salted butter, and pure vanilla extract. Cook this mixture over medium heat, whisking continuously. Keep whisking until the mixture thickens, transforms into a beautiful caramel color, and just begins to boil. The very moment you see the first bubbles break the surface, immediately remove the saucepan from the heat to prevent overcooking.
- Immediately add the chocolate chips to the hot caramel mixture. Stir vigorously until they are completely melted and integrated, creating a smooth, glossy, and rich chocolate frosting. Let the frosting cool, stirring occasionally, until it reaches a thick, spreadable consistency. It should be warm enough to spread easily but cool enough not to run off the cake.
- Generously spread the perfectly cooled and thickened frosting over your completely cooled red wine chocolate cake. For the best fudgy texture, refrigerate the cake for at least 1 hour, or until the frosting has fully set.
- Once the frosting is set, cut the cake into 9 luxurious dessert-sized squares or 12-16 smaller, snack-sized portions, depending on your preference and occasion.
Notes
Storage: This delightful cake can be stored at room temperature, well-covered, for up to 2 days. For extended freshness, cover and refrigerate for up to 5 days. For the best taste and texture, allow the cake to come to room temperature for about 30-60 minutes before serving.
Adjusting Sweetness: The cake itself is designed to be moderately sweet, allowing the deep chocolate and wine flavors to truly shine. If you plan to serve the cake without the rich boiled frosting, we highly recommend increasing the brown sugar in the cake batter to ¾ cup (150 grams) to ensure a balanced sweetness for a naked cake.
Wine Choice: For the best results, choose a red wine that you enjoy drinking. A medium-bodied, fruit-forward red like Merlot, Cabernet Sauvignon, or Zinfandel works wonderfully. Avoid overly sweet dessert wines or extremely tannic, dry reds, as they might alter the cake’s delicate balance.
Gluten-Free Flour: When using a gluten-free flour blend, ensure it contains xanthan gum or add ¼ teaspoon per cup of flour for optimal texture and structure. Good quality all-purpose gluten-free blends are usually designed for cakes and work beautifully here.
