When an intense chocolate craving strikes, nothing quite satisfies like a rich, moist, and deeply chocolatey cake. This double chocolate cake recipe is a true indulgence, designed to hit all the right notes for any chocolate lover. What makes it truly stand out is the ingenious combination of rich cocoa powder in the cake batter, creating a profound chocolate base, and luscious melted chocolate incorporated directly into the frosting, yielding an unparalleled smooth, glossy finish and intense flavor.
Baked effortlessly in a simple 8×8-inch pan, utilizing readily available pantry staples, this dessert embodies everything wonderful about an easy chocolate cake. Forget complicated layers, intricate techniques, or excessive fuss; this recipe focuses on delivering an intensely satisfying flavor experience in every single bite. It’s the kind of cake that becomes an instant favorite, perfect for any occasion, from a casual weeknight treat to a special family gathering.

The Ultimate Easy Double Chocolate Cake with Luxurious Chocolate Frosting
This homemade double chocolate cake is a testament to the idea that simplicity can lead to extraordinary results. It comes together remarkably easily, often in just one bowl, streamlining the baking process without compromising on taste or texture. The secret to its incredibly moist and tender crumb lies in a carefully balanced blend of ingredients: vegetable oil provides deep moisture, milk contributes to its delicate tenderness, and eggs offer essential structure, ensuring the cake is perfectly soft and never overly dense. The outcome is a cake that feels both exquisitely rich and wonderfully approachable – an indulgent treat that anyone can master.
But let’s talk about the frosting. Oh, the frosting! It’s not just an afterthought; it’s an integral part of the double chocolate experience. Its creamy, decadent nature perfectly complements the cake’s deep chocolate flavor, creating a harmonious symphony of tastes and textures that will leave you craving more. This particular recipe, prepared in an 8×8-inch pan, is ideally sized for a family of four or a small gathering, offering just enough sweetness without the worry of excessive leftovers. My entire family adores this easy chocolate cake, and I am confident yours will too!
Beyond its incredible flavor, one of the greatest advantages of this recipe is its straightforward nature. You won’t need specialized baking skills or a pantry full of obscure ingredients. It’s designed for home bakers of all levels, promising a stunning, bakery-quality dessert with minimal effort. The entire process, from mixing to baking and frosting, is streamlined to allow you more time to enjoy the delightful aroma filling your kitchen and, ultimately, savoring a slice of pure chocolate bliss.

Unlocking Deep Flavor: The Secret Behind Melted Chocolate in Our Frosting
While many chocolate frosting recipes rely solely on cocoa powder for flavor, a crucial element that elevates this double chocolate cake to an unforgettable level is the incorporation of real melted chocolate into the frosting. This isn’t just a minor tweak; it’s a game-changer that makes a significant difference in the final product’s quality, texture, and taste.
Melted chocolate contributes several key benefits. Firstly, it imparts a beautiful, glossy finish to the frosting, making it visually appealing and indicative of its rich quality. Secondly, it results in an incredibly smoother, more luxurious texture that simply melts in your mouth. This creamy consistency is far superior to frostings made only with cocoa powder, which can sometimes be grainy or less refined. Most importantly, adding melted chocolate delivers a much deeper, more complex, and authentic chocolate flavor. This intense, true chocolate taste is what truly sets this frosting apart, bringing it closer to the high-end, bakery-style frostings that professional patissiers create.
I extensively tested various versions of chocolate frosting, comparing those made with cocoa powder alone against those enriched with melted chocolate. The results were consistently clear: every time, without exception, my friends and family overwhelmingly preferred the frosting made with melted chocolate. It’s the secret ingredient that transforms an already good chocolate cake into an absolutely unforgettable culinary experience, adding a layer of sophistication and depth that will impress even the most discerning palates. This commitment to using both cocoa powder in the cake and melted chocolate in the frosting truly earns this recipe its “double chocolate” title and delivers a genuinely superior dessert.

Double Chocolate Cake Recipe
Ingredients
For the Cake
- 1 cup all-purpose flour
- 1¼ cups granulated sugar
- ½ cup unsweetened cocoa powder *
- 2 teaspoons baking powder
- 2 large eggs room temperature
- ½ cup vegetable oil
- ¾ cup milk room temperature
- 1 teaspoon pure vanilla extract
For the Chocolate Frosting
- ½ cup unsalted butter room temperature (1 stick)
- ¼ cup heavy cream room temperature
- 2 cups powdered sugar
- 4 ounces baking chocolate melted and cooled
Equipment
- Kitchen Scale (optional)
- 8×8 Baking Pan
- Stand Mixer
Instructions
For the Cake
- Preheat oven to 350°F. Line an 8×8-inch pan with parchment paper. Set aside.

- In a large bowl, combine the flour, granulated sugar, cocoa powder, and baking powder. Whisk to combine.1 cup all-purpose flour, 1¼ cups granulated sugar, ½ cup unsweetened cocoa powder, 2 teaspoons baking powder
- Add the eggs, vegetable oil, milk, and vanilla and whisk to combine. Mix just until no large lumps remain– you don’t want to overmix!2 large eggs, ½ cup vegetable oil, ¾ cup milk, 1 teaspoon pure vanilla extract

- Transfer the batter to the prepared cake pan and bake for 25-30 minutes, or until a toothpick inserted into the center comes out clean.

- Allow the cake to cool for 5 minutes in the pan and then transfer it to a wire rack to cool completely.

For the Frosting
- Add the softened butter to the bowl of a stand mixer fitted with the paddle attachment and cream on medium speed until light and smooth, about 1-2 minutes.½ cup unsalted butter
- Add the heavy cream and mix to combine.¼ cup heavy cream
- With the mixer on low speed, gradually add the powdered sugar.2 cups powdered sugar
- Once all of the powdered sugar has been added, add the melted chocolate.4 ounces baking chocolate
- Turn the mixer to high speed and whip the frosting until it becomes light and airy.

- Once the cake has cooled, dump the frosting on top and use a spoon or offset spatula to create swooshes in the frosting.

Notes
Tips for Success:
- Ensure all cold ingredients like butter, eggs, and milk are at room temperature. This helps them emulsify better, leading to a smoother batter and frosting.
- Avoid overmixing the cake batter. Mix just until the dry ingredients are combined with the wet, as overmixing can lead to a tough, dense cake.
- Always test your cake for doneness with a toothpick. If it comes out clean, the cake is ready. If it has wet crumbs, bake for a few more minutes.
- Patience is key! Allow the cake to cool completely before applying the frosting. A warm cake will melt the frosting, resulting in a messy presentation.
- For an extra touch, consider adding a sprinkle of flaky sea salt over the frosted cake to enhance the rich chocolate flavor.
Storage: Store double chocolate cake in an airtight container at room temperature for up to 2 days or in the refrigerator for up to 4 days. For longer storage, see our detailed freezing tips below.
Calories from Fat 279
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Step-by-Step Guide to Crafting Your Perfect Double Chocolate Cake
Baking this double chocolate cake is a delightful and straightforward process, ensuring a fantastic result every time. Follow these detailed steps to achieve a moist cake and a rich, creamy frosting:
1. Essential Preparation: Gathering and Prepping Ingredients
Before you even think about mixing, take a moment to gather all your ingredients. This practice, known as ‘mise en place,’ makes the baking process incredibly smooth. Preheat your oven to 350°F (175°C) and prepare an 8×8-inch baking pan by lining it with parchment paper, leaving an overhang on two sides to easily lift the cooled cake later. This small step prevents sticking and makes removal a breeze. A crucial tip for achieving the best texture in both your cake and frosting is to ensure cold ingredients like eggs, milk, butter, and heavy cream are at room temperature. This allows them to combine more smoothly and evenly, preventing lumps and creating a more cohesive batter and airy frosting. While you are gathering, melt your baking chocolate (semisweet is a great choice for balanced flavor) and set it aside to cool slightly, ensuring it’s not hot when added to the frosting.

2. Crafting the Perfect Cake Batter
In a large mixing bowl, combine the dry ingredients for your cake: 1 cup of all-purpose flour, 1¼ cups of granulated sugar, ½ cup of unsweetened cocoa powder, and 2 teaspoons of baking powder. It’s vital to whisk these dry ingredients thoroughly to ensure the baking powder and cocoa powder are evenly distributed throughout the flour. If your cocoa powder has any clumps, a quick sift will prevent dry pockets in your finished cake, ensuring a uniform chocolate flavor. Next, add the wet ingredients: 2 large room-temperature eggs, ½ cup of vegetable oil, ¾ cup of room-temperature milk, and 1 teaspoon of pure vanilla extract. Whisk these ingredients together until they are just combined and no large lumps remain. Be careful not to overmix the batter; overmixing can develop the gluten in the flour too much, leading to a tough and dry cake. A few small lumps are perfectly acceptable and will disappear during baking, resulting in a tender, moist crumb.

3. Baking Your Rich Chocolate Cake
Carefully transfer the smooth chocolate batter into your prepared 8×8-inch cake pan. Once the batter is in the pan, gently tap the pan on your counter 2-3 times. This helps to release any trapped air bubbles, ensuring an even bake and a beautifully smooth top. Place the pan in your preheated oven and bake for approximately 25-30 minutes. The baking time can vary slightly depending on your oven, so it’s essential to check for doneness. Insert a toothpick into the center of the cake; if it comes out clean or with a few moist crumbs attached, your cake is perfectly baked. If you see wet batter, continue baking for a few more minutes, checking frequently to prevent overbaking, which can lead to a dry cake.

4. Cooling for Optimal Texture and Frosting Adhesion
Once baked, allow the cake to cool in its pan for about 5 minutes. This brief cooling period helps the cake to set and firm up slightly, making it less prone to breaking when transferred. After 5 minutes, carefully invert the cake onto a wire rack to cool completely. Cooling the cake on a wire rack ensures air circulation on all sides, preventing the bottom from becoming soggy. It is absolutely crucial for the cake to be at room temperature before you even think about frosting it. Attempting to frost a warm cake will result in a melted, runny mess, as the heat from the cake will cause your beautiful frosting to slide right off. If you’re in a hurry, you can speed up the cooling process by placing the cake (still on the wire rack) in the fridge or even the freezer for a short period, just until it’s cool to the touch.

5. Whipping Up the Dreamy Chocolate Frosting
Now, for the star of the show – the luxurious chocolate frosting. In the bowl of a stand mixer fitted with the paddle attachment, add ½ cup of room-temperature unsalted butter. Cream the butter on medium speed for about 1-2 minutes until it becomes light, fluffy, and smooth. This aeration is key to a light frosting. Next, pour in ¼ cup of room-temperature heavy cream and mix until just combined. With the mixer on low speed, gradually add 2 cups of powdered sugar, one cup at a time, allowing it to fully incorporate before adding the next. This prevents a cloud of sugar from engulfing your kitchen! Once all the powdered sugar is incorporated, it’s time for the secret ingredient: 4 ounces of melted and cooled baking chocolate (semisweet, milk, or dark, depending on your preference). Beat on high speed for another 2-3 minutes, or until the frosting transforms into a light, airy, and incredibly smooth consistency. The melted chocolate will give it that rich color and intense flavor.

6. The Art of Frosting Application and Finishing Touches
With your cake perfectly cooled and your frosting whipped to dreamy perfection, it’s time to bring them together. Generously dollop the chocolate frosting onto the cooled cake. Using a spoon or an offset spatula, spread the frosting evenly across the top, creating elegant swooshes or peaks for a homemade, rustic look. Remember, resist the temptation to frost a warm cake, or the frosting will melt off, ruining both the appearance and texture. For an extra pop of flavor and visual appeal, I highly recommend finishing your double chocolate cake with a delicate sprinkle of coarse flaky sea salt. This simple addition beautifully enhances the deep chocolate notes, creating a sophisticated sweet and salty contrast that will make every bite even more addictive. Once frosted, your magnificent double chocolate cake is ready to be sliced and enjoyed!

Serving and Storage Suggestions for Your Double Chocolate Cake
Once your irresistible double chocolate cake is baked and frosted, it’s time to think about how to best enjoy and preserve it. This cake is at its prime when served at room temperature, allowing the frosting to be perfectly creamy and the cake moist and tender. Cut into generous slices and serve as is, or enhance the experience with a scoop of vanilla bean ice cream, a dollop of fresh whipped cream, or a scattering of fresh berries like raspberries or strawberries for a delightful contrast.
For storage, any leftover double chocolate cake should be placed in an airtight container to maintain its freshness and moisture. At room temperature, it will stay delicious for up to 2 days. If you prefer to extend its shelf life, store it in the refrigerator for up to 4 days. When chilling, it’s best to allow the cake to come back to room temperature for about 30 minutes before serving to ensure the frosting softens and the cake regains its optimal texture and flavor.
This cake also freezes beautifully! You can freeze the entire cake or individual slices. To freeze, wrap the cooled and frosted cake (or slices) tightly in plastic wrap, then an additional layer of aluminum foil to prevent freezer burn. Place it in the freezer for up to 3 months. When you’re ready to enjoy, simply transfer the cake from the freezer to the refrigerator and let it thaw overnight. For the absolute best flavor and texture, allow it to reach room temperature before serving. Freezing is an excellent option for meal prepping desserts or ensuring you always have a delightful chocolate treat on hand for unexpected guests or spontaneous cravings.
Frequently Asked Questions About Double Chocolate Cake
What type of cocoa powder is best for this recipe?
For this recipe, Dutch-process cocoa powder is recommended. Unlike natural cocoa powder, Dutch-process cocoa is processed to be less acidic. Since this recipe doesn’t use baking soda (which reacts with acid), Dutch-process cocoa ensures a rich, dark color and a mellow, smooth chocolate flavor without any bitterness. If you only have natural cocoa powder, the cake’s color might be lighter, and the flavor slightly different, but it will still be delicious.
Can I make this cake gluten-free?
While this recipe uses all-purpose flour, many readers have successfully substituted it with a 1:1 gluten-free baking flour blend that contains xanthan gum. Ensure your chosen blend is suitable for cakes and follow the recipe as written. The texture might vary slightly, but it should still yield a delicious gluten-free chocolate cake.
Can I substitute butter for oil in the cake?
For the cake itself, vegetable oil is crucial for achieving that characteristic moistness and tender crumb. Oil keeps the cake softer and more tender than butter, which can sometimes make cakes denser when chilled. For the frosting, however, butter is essential for its creamy texture and flavor. Sticking to the recipe’s fat choices for each component will give you the best results.
How do I prevent my cake from drying out?
Several factors contribute to a moist cake. First, don’t overmix the batter; mix only until the ingredients are just combined. Second, avoid overbaking. Start checking for doneness at the minimum recommended time with a toothpick. Third, store the cake properly in an airtight container at room temperature for short periods or in the refrigerator for longer. The fat from the oil and the creamy frosting in this recipe also naturally help keep the cake moist.
Can I use different types of chocolate for the frosting?
Absolutely! The recipe calls for baking chocolate, which typically refers to unsweetened, bittersweet, or semisweet chocolate. Semisweet is a popular choice for a balanced flavor, but you can use dark chocolate for a more intense, less sweet frosting, or milk chocolate for a sweeter, creamier profile. Just ensure it’s a good quality bar of chocolate, not chocolate chips, as chips often contain stabilizers that prevent smooth melting.
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Note: We pride ourselves on offering recipes that are typically quick and feature a limited number of ingredients. This double chocolate cake, while requiring a few more items than our usual fare, is an exception we gladly make. Its intensely rich flavor and utterly satisfying texture make it an absolute staple in our recipe collection. If you have the time and the ingredients, we assure you, the delightful reward is more than worth the extra effort!






