Velvety Chocolate Mascarpone Indulgence

Deliciously Moist Chocolate Mascarpone Cake: Your New Favorite Easy Sheet Cake Recipe

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Prepare yourself for a truly exceptional dessert experience with this super soft chocolate mascarpone cake. It’s the perfect treat to brighten any day, especially as the cooler seasons arrive. Imagine a rich, incredibly moist chocolate cake base, crowned with a smooth, luxurious, and subtly tangy mascarpone frosting. This recipe is not just a dream to eat, but also surprisingly easy to prepare, making it an ideal choice for both seasoned bakers and enthusiastic beginners. Its delightful flavor profile and simple preparation make it an absolute must-try!

Delicious slices of chocolate mascarpone cake with creamy frosting.

As autumn leaves begin to fall and the crisp, cold days envelop us, there’s nothing quite like the comforting aroma of a freshly baked cake filling your home. This chocolate mascarpone cake embodies that cozy spirit perfectly. It’s the kind of dessert that pairs wonderfully with a warm beverage and flickering candlelight, creating those cherished moments many of us eagerly anticipate each year. A true classic that has consistently delighted generations is the sheet cake, celebrated for its straightforward charm and effortless elegance. This particular chocolate sheet cake elevates that tradition to new heights.

The enduring appeal of sheet cakes lies in their wonderful simplicity. Forget elaborate layers or intricate decorations; with a sheet cake, you simply pour the luscious batter into a baking tin, bake it to perfection, and adorn it with a delectable topping. Whether you’re planning a grand birthday celebration, hosting a casual gathering with friends, or simply craving something sweet to share with your family on a relaxed Sunday afternoon, a sheet cake offers a convenient and satisfying solution. This particular recipe yields a cake that is astonishingly soft, intensely chocolatey, and incredibly quick to assemble, yet tastes like a gourmet creation. The deep, rich chocolate flavor harmonizes exquisitely with the light, airy, and delicately sweet mascarpone frosting. While the mascarpone cream is highly recommended for its unique texture and taste, you can easily substitute it with a quick and easy buttercream or even a simple vanilla glaze if you prefer a different profile or are short on time. However, for the ultimate experience, stick with the mascarpone!

What you get here is more than just a dessert; it’s an invitation to simple, yet profound culinary joy – a treat that is as straightforward to create as it is utterly delicious to devour. This recipe ensures a high success rate, delivering a consistently moist and flavorful cake every single time.

Why This Chocolate Mascarpone Cake Stands Out

This isn’t just another chocolate cake recipe; it’s a carefully crafted experience designed for maximum flavor and minimal fuss. The secret to its incredible moistness lies in the unique combination of ingredients. Using hot water (or coffee) with cocoa powder helps to “bloom” the cocoa, intensifying its chocolate flavor and contributing to the cake’s tender crumb. Buttermilk, a staple in many baking recipes, reacts with baking soda to create a light, fluffy texture, while also adding a subtle tang that beautifully complements the sweetness of the chocolate. Vegetable oil, instead of butter, keeps the cake exceptionally moist for days, ensuring every slice is as delightful as the first.

Then there’s the mascarpone frosting – a true game-changer. Unlike traditional buttercream, mascarpone cheese lends a sophisticated richness and a velvety smooth texture that feels luxurious without being overly heavy or sweet. Its slightly tangy profile cuts through the richness of the chocolate cake, creating a perfectly balanced bite. This isn’t just a topping; it’s an integral part of the cake’s charm, making each forkful a symphony of textures and flavors. It’s the perfect harmony between a robust chocolate base and a delicate, creamy crown.

Key Ingredients and Baking Tips for Success

Achieving baking perfection often comes down to understanding your ingredients and following a few simple guidelines. For this chocolate mascarpone cake, using high-quality ingredients will undoubtedly elevate the final taste, but even with standard pantry items, you’ll produce something truly delicious. Here are a few notes to consider:

  • Boiling Water: Don’t skip this step! The hot water isn’t just for hydration; it helps to fully dissolve and “bloom” the cocoa powder, releasing its full flavor potential and contributing to a deeper, richer chocolate taste. Make sure it’s hot enough to do its job, but allow it to cool slightly before combining with other wet ingredients to avoid cooking the eggs.
  • Unsweetened Cocoa Powder: Opt for a good quality unsweetened cocoa powder. Dutch-processed cocoa will give a darker color and milder flavor, while natural cocoa powder will result in a slightly lighter cake with a more pronounced chocolate tang. Both work beautifully in this recipe.
  • Instant Espresso Powder: This is an optional but highly recommended ingredient. Espresso powder doesn’t make your cake taste like coffee; instead, it acts as a flavor enhancer, deepening and intensifying the chocolate notes without adding any noticeable coffee flavor. It’s a secret weapon for extraordinary chocolate desserts.
  • Buttermilk (Room Temperature): Buttermilk is essential for the cake’s tender crumb and subtle tang. If you don’t have buttermilk on hand, you can make a substitute by adding 1 tablespoon of white vinegar or lemon juice to a measuring cup, then filling it up to 240g with regular milk. Let it sit for 5-10 minutes until it curdles slightly. Ensuring buttermilk and eggs are at room temperature helps them incorporate more smoothly into the batter, leading to a more uniform and tender cake.
  • Mascarpone Cheese: This Italian cream cheese is what makes the frosting so luscious and unique. It’s richer and less tangy than American cream cheese. Ensure it’s cold when you start to whip it, as this helps it hold its shape.
  • Vanilla Paste/Extract: While vanilla extract is good, vanilla bean paste offers a more intense and visible vanilla flavor, with specks of real vanilla bean. Either will work, so use what you have.

Remember to always measure your ingredients accurately, especially in baking, where precision is key. A kitchen scale is highly recommended for best results, particularly for flour and sugar measurements, ensuring consistent and perfect outcomes every time.

For more delicious sheet cake recipes that are just as easy and satisfying, be sure to try our Lemon Pistachio Cake, delightful Birthday Blondie Bars, and the seasonal favorite Pumpkin Sheet Cake. Each offers a unique flavor profile while maintaining the beloved simplicity of a sheet pan dessert.

The freshly baked chocolate mascarpone cake on a cutting board, ready to be sliced.

Storage and Freezing Tips

Due to the delicate nature of mascarpone in the frosting, this chocolate mascarpone cake requires proper storage to maintain its freshness and taste. Once frosted, the cake should always be stored in an airtight container in the refrigerator. This prevents the mascarpone from spoiling and keeps the cake moist. When you’re ready to indulge, take a slice (or the entire cake) out of the fridge and allow it to come to room temperature for about 30-60 minutes before serving. This allows the cake and frosting to soften slightly, enhancing their texture and flavor, making for a much more enjoyable experience. The cake is best enjoyed within 3-4 days when stored correctly.

If you’re looking to extend the life of your delicious creation, this cake also freezes remarkably well. For best results, it’s recommended to freeze the unfrosted cake. Once the baked chocolate sheet cake has completely cooled, wrap it tightly in several layers of plastic wrap, followed by a layer of aluminum foil. This double wrapping protects it from freezer burn. It can be stored in the freezer for up to 2-3 months. When ready to serve, thaw the cake in the refrigerator overnight, then bring it to room temperature and prepare the mascarpone frosting fresh before serving. You can also freeze individual frosted slices, ensuring they are well-wrapped, for a convenient single-serving treat whenever a craving strikes, though the texture of the frosting might change slightly upon thawing. Always ensure airtight storage for maximum freshness.

A perfect slice of moist chocolate mascarpone cake on a plate.

Other Sheet Cake Recipes To Try

  • Best Pumpkin Bread with Streusel Topping and Pumpkin Spice Glaze
  • 25 Best Summer Dessert Ideas
  • 20 Best Easter Dessert Ideas
  • Lemon Poppy Seed Cake

Make sure leave a STAR REVIEW if you loved this recipe! Make sure to tag me on Instagram @juliemarieeats. To get more ideas by following me on Pinterest.

Chocolate Mascarpone Cake with smooth mascarpone frosting.

Chocolate Mascarpone Cake

This super soft chocolate mascarpone cake features a rich and tender chocolate base topped with an incredibly smooth, luxurious, and delicately tangy mascarpone frosting. It’s the perfect easy-to-make dessert for any occasion, promising a delightful treat for everyone.

5 fra 8 stemmer
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Prep Time 20 minutes
Cook Time 33 minutes

Course Dessert

Servings 15 slices

Equipment

  • 23×33 cm (9″x13″) baking pan

Ingredients

 

 

CHOCOLATE SHEET CAKE

  • 190 g boiling water
  • 270 g all-purpose flour
  • 300 g granulated sugar
  • 75 g unsweetened cocoa powder
  • 1 teaspoon instant espresso powder (optional, enhances chocolate flavor)
  • 1 teaspoon baking powder
  • 1 ½ teaspoon baking soda
  • 1 teaspoon salt
  • 240 g buttermilk room temperature
  • 110 g vegetable oil
  • 3 large eggs room temperature
  • 2 teaspoon vanilla extract

MASCARPONE FROSTING

  • 200 g mascarpone (cold)
  • 15 g acacia honey (or any mild honey)
  • ½ teaspoon vanilla paste (or vanilla extract)
  • 100 g confectioners sugar (sifted)
  • 125 g heavy cream (cold)

Instructions

 

CHOCOLATE SHEET CAKE

  • Before you begin mixing, preheat your oven to 175ºC (350ºF) for a conventional oven. Line a half-sheet baking pan (approximately 23×33 cm or 9×13 inches) with parchment paper, leaving an overhang on the longer sides to easily lift the cake out later. You can lightly grease the pan first to help the parchment stick.
  • Begin by boiling the required amount of water. Once boiled, measure out 190g and set it aside to cool slightly. The water should still be hot, but not scalding, by the time you add it to the batter. This hot water is crucial for blooming the cocoa powder, which intensifies the chocolate flavor, but extremely hot water can curdle other ingredients.
    190 g boiling water
  • In a large mixing bowl, sift together all the dry ingredients: all-purpose flour, granulated sugar, unsweetened cocoa powder, instant espresso powder (if using), baking powder, baking soda, and salt. Sifting helps to remove any lumps and ensures a light, airy texture. Use a whisk to thoroughly combine them, making sure there are no visible streaks of any single ingredient.
    270 g all-purpose flour, 300 g granulated sugar, 75 g unsweetened cocoa powder, 1 teaspoon instant espresso powder, 1 teaspoon baking powder, 1 ½ teaspoon baking soda, 1 teaspoon salt
  • In a separate medium-sized mixing bowl, add all the wet ingredients: room temperature buttermilk, vegetable oil, large eggs (also at room temperature), vanilla extract, and the slightly cooled hot water. Using a hand whisk, gently whisk them together until they are just combined. Avoid over-whisking at this stage, as too much air incorporated into the eggs can make the cake dense.
    240 g buttermilk, 110 g vegetable oil, 3 large eggs, 2 teaspoon vanilla extract, 190 g boiling water
  • Gradually pour the wet ingredient mixture into the bowl with the dry ingredients. With a rubber spatula or whisk, gently stir everything together until just combined. Mix until there are no dry streaks of flour and the batter is smooth. Be very careful not to overmix, as this can develop the gluten in the flour, leading to a tough, dry cake. A few small lumps are acceptable.
  • Pour the prepared cake batter evenly into the parchment-lined baking pan. Gently tap the pan a few times on the counter to release any large air bubbles. Bake for 30-35 minutes, or until a wooden skewer or cake tester inserted into the center comes out clean or with only a few moist crumbs attached. Avoid opening the oven door too early to prevent the cake from sinking.
  • Once baked, remove the cake from the oven and let it cool in the baking pan on a wire cooling rack for about 15 minutes. This allows the cake to set properly. After 15 minutes, use the parchment paper overhang to gently lift the cake out of the pan and transfer it directly onto the wire rack to cool down completely. It is absolutely crucial for the cake to be entirely cool before applying the frosting, otherwise, the mascarpone will melt.

MASCARPONE FROSTING

  • In a large bowl, using an electric mixer fitted with a whisk attachment, cream together the cold mascarpone cheese, acacia honey (or any mild honey), and vanilla paste (or extract) on medium speed until smooth and well combined. Scrape down the sides of the bowl as needed. Gradually add the confectioners’ sugar and mix on low speed until fully incorporated and the mixture is silky smooth.
    200 g mascarpone, 15 g acacia honey, ½ teaspoon vanilla paste, 100 g confectioners sugar
  • Pour in the cold heavy cream. Increase the mixer speed to medium-high and whip the mixture until stiff peaks form and the frosting holds its shape beautifully. Be careful not to overmix, as mascarpone can curdle if beaten too vigorously or for too long.
    125 g heavy cream
  • Once the chocolate sheet cake is completely cool, use an offset spatula or the back of a spoon to generously spread the prepared mascarpone frosting evenly over the top of the cake. You can create decorative swirls or simply smooth it out for a clean finish.
  • For an elegant touch and an extra hint of chocolate, lightly dust the top of the frosted cake with a sifting of unsweetened cocoa powder just before serving. Slice and serve this delightful treat to enjoy its rich flavors and tender texture.
  • Always store any leftover cake in an airtight container in the fridge to maintain its freshness and prevent the frosting from spoiling. Refer to the ‘Storage and Freezing Tips’ section for more detailed guidance.

Nutrition

Carbohydrates: 53gProtein: 6gFat: 21gSaturated Fat: 9gPolyunsaturated Fat: 3gMonounsaturated Fat: 5gTrans Fat: 1gCholesterol: 56mgSodium: 468mgPotassium: 155mgFiber: 3gSugar: 22gVitamin A: 357IUVitamin C: 0.1mgCalcium: 62mgIron: 2mg

Keyword chocolate, chocolate cake, mascarpone frosting, easy sheet cake, moist cake, dessert
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