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Deep cocoa layers, juicy sour cherries, silky cream, and delicate dark chocolate curls give this Black Forest layer cake its unmistakable contrast. The crumb stays soft and tender from buttermilk and oil, while the tart cherry filling cuts through the richness instead of disappearing beneath a pile of sugar. A light kirsch syrup reinforces the cherry flavor and keeps every slice pleasantly moist without making the layers soggy.
I use three 8-inch pans so the layers bake evenly and require minimal trimming. The chocolate batter should be thin, glossy, and free of dry flour before it goes into the oven. I cook the cherry filling until it leaves a clear trail across the saucepan, then cool it completely so it cannot melt the mascarpone cream. Chilling the assembled cake is not decorative patience torture. It sets the filling and gives you clean, distinct layers when sliced.
Why This Cake Is Ridiculously Delicious
- Oil remains fluid when chilled, giving the chocolate cake a softer refrigerated crumb than a butter-based sponge would provide.
- Dutch-process cocoa contributes deep chocolate flavor and disperses smoothly when the hot coffee is added to the batter.
- A cornstarch-thickened sour cherry filling stays juicy but stable, preventing loose fruit syrup from sliding between the layers.
- Mascarpone adds milk fat and structure to the whipped cream, helping the frosting hold the cake without becoming heavy like buttercream.
- The kirsch syrup is brushed on in measured amounts, adding cherry aroma and moisture without saturating or weakening the cake layers.
Ingredient Notes for Black Forest Layer Cake with Soft, Tender Crumb
- Dutch-process cocoa: Its mellow acidity and dark color suit the baking soda and buttermilk in this formula. Sift it with the flour because compact cocoa lumps are stubborn once liquid is added.
- Buttermilk: This supplies water, milk proteins, and acidity for a tender crumb. Use it at room temperature so the eggs and oil emulsify evenly rather than forming a cold, separated mixture.
- Hot coffee: Heat helps hydrate the cocoa and coffee sharpens its roasted character without making the cake taste like a cup of coffee. Hot water may be used in the same quantity for a caffeine-free batter.
- Sour cherries: Frozen, pitted sour cherries provide the tart profile expected in Black Forest cake. Cook them directly from frozen so their released juice becomes part of the thickened filling.
- Kirsch: This clear cherry brandy flavors both the filling and syrup. For an alcohol-free cake, replace it measure for measure with unsweetened tart cherry juice.
- Mascarpone and heavy cream: Both must be cold. Mascarpone reinforces the whipped cream with extra fat and milk solids, but overmixing can turn the frosting grainy, so stop at firm, smooth peaks.
- Dark chocolate: A bar containing 60 to 70 percent cacao makes curls with enough bitterness to balance the sweet cream. Slightly warming the bar in your hands helps a vegetable peeler create broader curls.
A Few Baking Tips
- Weigh the finished batter into the pans rather than judging by eye. Equal batter weights produce level tiers that finish baking at the same time and stack without leaning.
- Keep the cherry filling confined inside a piped cream border. If fruit touches the outer edge, its moisture can tint the white frosting and encourage the upper layer to slide.
- Do not frost warm cake. Even slightly warm layers soften mascarpone cream quickly, so the centers and bottoms should feel completely cool before assembly.
- Watch the mascarpone cream rather than relying only on the mixer time. Stop when the ridges remain defined and the lifted whisk leaves an upright peak with a slightly curved tip.
- Chill the assembled cake before cutting, but temper individual slices for about 15 minutes. The cream stays stable while the oil-based chocolate crumb regains its softest texture.
Ingredients for Black Forest Layer Cake
- 600 g frozen pitted sour cherries (Keep frozen until cooking.)
- 120 g granulated sugar (For the cherry filling, about 1/2 cup plus 1 tablespoon.)
- 30 g cornstarch (About 1/4 cup, spooned and leveled.)
- 30 ml cold water (For dissolving the cornstarch.)
- 15 ml fresh lemon juice (About 1 tablespoon.)
- 30 ml kirsch (About 2 tablespoons; unsweetened tart cherry juice may be used for an alcohol-free filling.)
- 80 ml water (For the cake syrup, about 1/3 cup.)
- 50 g granulated sugar (For the cake syrup, 1/4 cup.)
- 30 ml kirsch (About 2 tablespoons; unsweetened tart cherry juice may be used for an alcohol-free syrup.)
- 250 g all-purpose flour (About 2 cups, spooned and leveled.)
- 75 g Dutch-process cocoa powder (About 3/4 cup, sifted if lumpy.)
- 350 g granulated sugar (About 1 3/4 cups.)
- 1 1/2 tsp baking soda (Level the measuring spoon.)
- 1 tsp baking powder (Level the measuring spoon.)
- 1 tsp fine sea salt (Distribute thoroughly with the dry ingredients.)
- 2 large eggs (Bring to room temperature.)
- 240 ml buttermilk (Room temperature, about 1 cup.)
- 120 ml neutral vegetable oil (About 1/2 cup; use canola, sunflower, or another neutral oil.)
- 10 ml vanilla extract (About 2 teaspoons.)
- 180 ml hot brewed coffee (About 3/4 cup; hot water may be used instead.)
- 225 g mascarpone cheese (Cold, about 1 cup.)
- 100 g confectioners’ sugar (About 3/4 cup plus 2 tablespoons, sifted.)
- 10 ml vanilla extract (About 2 teaspoons.)
- 680 ml heavy whipping cream (Cold, about 2 3/4 cups.)
- 115 g dark chocolate bar (60 to 70 percent cacao, for curls and shavings.)
How to Make Black Forest Layer Cake
- STEP 1). Prepare the pans and preheat the oven Position a rack in the center of the oven and preheat to 350°F (177°C). Lightly grease three 8-inch round cake pans, line each base with parchment, and grease the parchment. Set the pans on a digital scale and note their empty weights if you want exceptionally even layers. Keep the prepared pans nearby because the baking soda begins producing gas as soon as the wet and dry mixtures meet.
- STEP 2). Cook and cool the sour cherry filling Combine the frozen sour cherries, 120 g granulated sugar, and lemon juice in a medium heavy-bottomed saucepan. Cook over medium heat for 8 to 10 minutes, stirring occasionally, until the cherries release abundant juice and soften. Whisk the cornstarch with 30 ml cold water, stir it into the bubbling fruit, and cook for 1 to 2 minutes. The filling is ready when glossy and thick enough to leave a clear trail across the pan. Remove from the heat, stir in 30 ml kirsch, and cool completely.
- STEP 3). Prepare the kirsch syrup Combine 80 ml water and 50 g granulated sugar in a small saucepan. Bring to a simmer over medium heat, stirring until the sugar dissolves, then simmer for 1 minute without reducing it into a thick syrup. Pour into a heatproof bowl and cool to room temperature before stirring in 30 ml kirsch. Cover and set aside. Adding the kirsch after cooling preserves more of its cherry aroma and keeps the syrup fluid enough to brush lightly over the cake.
- STEP 4). Mix the chocolate cake batter Sift the flour and cocoa into a large bowl, then whisk in 350 g sugar, baking soda, baking powder, and salt until uniformly colored. In a medium bowl, whisk the eggs, buttermilk, oil, and vanilla until emulsified. Pour the wet mixture into the dry ingredients and whisk just until no dry flour remains. Slowly add the hot coffee while whisking gently. Finish with a spatula, scraping the base and sides. The batter should be thin, glossy, and evenly dark, not foamy or streaked.
- STEP 5). Divide, bake, and cool the cake layers Divide the batter equally among the three prepared pans, using the scale for even layers, and tap each pan once against the counter to release large air pockets. Bake for 22 to 27 minutes, rotating the pans front to back after 18 minutes if the oven browns unevenly. The cakes are done when their centers spring back, a tester shows moist crumbs without wet batter, and the edges just begin pulling from the pans. Cool in the pans for 15 minutes, then turn onto racks and cool completely before frosting.
- STEP 6). Whip the mascarpone cream Place the cold mascarpone, sifted confectioners’ sugar, and vanilla in the bowl of a stand mixer fitted with the whisk, or use a large bowl and hand mixer. Beat on low speed for about 30 seconds, just until smooth. With the mixer running on medium-low, gradually stream in the cold heavy cream. Increase to medium and whip until firm, smooth peaks hold when the whisk is lifted, about 2 to 4 minutes. Stop immediately if the surface begins looking grainy, which signals overwhipping.
- STEP 7). Level, soak, and fill the cake Use a long serrated knife to remove any domed tops from the completely cool cakes. Set one layer cut side up on an 8-inch cake round or serving plate and brush it with one-third of the kirsch syrup. Spread about 180 g mascarpone cream over the cake, then pipe or spread a raised cream border around the edge. Spoon half the cooled cherry filling inside the border. Repeat with the second layer, another third of syrup, cream, and the remaining filling. Add the final layer cut side down and brush with the remaining syrup.
- STEP 8). Frost, decorate, chill, and slice Apply a thin layer of mascarpone cream over the top and sides with an offset spatula to trap crumbs, then chill for 20 minutes. Cover with the remaining cream, reserving a small amount for piped rosettes if desired. Use a vegetable peeler to make curls from the dark chocolate and press shavings around the lower sides, scattering curls over the top. Refrigerate the finished cake for at least 1 hour. For clean servings, wipe a sharp knife between cuts and let slices stand for 15 minutes before eating.
Storage and Freezing
- Refrigeration: Store the assembled cake covered in a cake carrier or loosely tented without touching the frosting for up to 4 days. Keep it refrigerated because the mascarpone cream and cooked fruit are perishable.
- Freezing: Freeze unfrosted, fully cooled cake layers wrapped individually in plastic and foil for up to 2 months.
- Freeze the assembled cake only if necessary, as thawed whipped cream can lose some smoothness. Do not freeze leftover mascarpone cream for later whipping.
- Thawing: Thaw wrapped cake layers overnight in the refrigerator, then bring them to cool room temperature before unwrapping to limit surface condensation.
- Thaw an assembled cake overnight in the refrigerator while covered.
- Serving: Remove the cake or individual slices from the refrigerator about 15 minutes before serving. Return leftovers to refrigeration within 2 hours.
Frequently Asked Questions
How do you keep Black Forest layer cake layers even?
Weigh the batter after mixing and divide that weight equally among three identical 8-inch pans. Place each filled pan back on the scale and adjust with a spoonful of batter until the amounts match closely.
Bake the pans on the same center rack when space permits, and rotate only if your oven has an obvious hot spot. Level completely cooled cakes with a serrated knife, removing only the raised dome rather than carving deeply into the crumb.
Why is my Black Forest cake filling running out between the layers?
Cherry filling usually escapes when it has not cooked long enough or was assembled while warm. It should boil after the cornstarch is added and become glossy enough that a spatula drawn across the saucepan leaves a visible path.
Cool the filling completely, then surround it with a firm mascarpone cream border. Keep the fruit below the height of that border and chill the assembled cake before applying the final coat or cutting.
Can you make Black Forest layer cake ahead?
The chocolate layers can be baked up to 2 days ahead, cooled completely, and wrapped airtight at room temperature. The cherry filling and kirsch syrup may also be prepared 2 days ahead and refrigerated separately.
For the best cream texture, whip the mascarpone frosting and assemble the cake up to 1 day before serving. An overnight chill helps the syrup settle into the crumb, but longer storage gradually softens the distinct filling boundaries.
What Black Forest layer cake ingredient substitutions work in this recipe?
Hot water can replace the brewed coffee in the same volume, although the cocoa flavor will be slightly less roasted. Unsweetened tart cherry juice can replace the kirsch measure for measure in both the filling and syrup when an alcohol-free cake is needed.
Keep the Dutch-process cocoa, buttermilk, mascarpone, and heavy cream as specified because the leavening balance and frosting structure depend on them. Sweet cherry pie filling is not equivalent to the cooked sour cherry filling and may make the cake overly sweet.
How do I know when the chocolate cake layers are fully baked?
Look for centers that spring back after a light fingertip press and edges that have only begun to pull from the pans. A tester inserted near the center should emerge with a few moist crumbs, but it must not show glossy, wet batter.
Avoid waiting for a completely dry tester because these relatively thin layers can overbake quickly. Let them stand in their pans for 15 minutes so the crumb firms before turning them onto cooling racks.
More Ridiculously Delicious Cakes
- Lemon Layer Cake with Soft, Bright Citrus Layers
- Pistachio Layer Cake with Soft, Tender Crumb
- Coconut Layer Cake with Soft, Tender Crumb
- Carrot Layer Cake with a Moist Crumb
- Moist Chocolate Fudge Layer Cake with Silky Fudge Frosting
- Maple Pecan Coffee Cake with Soft, Tender Crumb
Black Forest Layer Cake with Soft, Tender Crumb
A from-scratch Black Forest layer cake with three moist chocolate layers, thick sour cherry filling, kirsch syrup, mascarpone whipped cream, and dark chocolate curls.
Ingredients
Equipment
Method
- Position a rack in the center of the oven and preheat to 350°F (177°C). Lightly grease three 8-inch round cake pans, line each base with parchment, and grease the parchment. Set the pans on a digital scale and note their empty weights if you want exceptionally even layers. Keep the prepared pans nearby because the baking soda begins producing gas as soon as the wet and dry mixtures meet.
- Combine the frozen sour cherries, 120 g granulated sugar, and lemon juice in a medium heavy-bottomed saucepan. Cook over medium heat for 8 to 10 minutes, stirring occasionally, until the cherries release abundant juice and soften. Whisk the cornstarch with 30 ml cold water, stir it into the bubbling fruit, and cook for 1 to 2 minutes. The filling is ready when glossy and thick enough to leave a clear trail across the pan. Remove from the heat, stir in 30 ml kirsch, and cool completely.
- Combine 80 ml water and 50 g granulated sugar in a small saucepan. Bring to a simmer over medium heat, stirring until the sugar dissolves, then simmer for 1 minute without reducing it into a thick syrup. Pour into a heatproof bowl and cool to room temperature before stirring in 30 ml kirsch. Cover and set aside. Adding the kirsch after cooling preserves more of its cherry aroma and keeps the syrup fluid enough to brush lightly over the cake.
- Sift the flour and cocoa into a large bowl, then whisk in 350 g sugar, baking soda, baking powder, and salt until uniformly colored. In a medium bowl, whisk the eggs, buttermilk, oil, and vanilla until emulsified. Pour the wet mixture into the dry ingredients and whisk just until no dry flour remains. Slowly add the hot coffee while whisking gently. Finish with a spatula, scraping the base and sides. The batter should be thin, glossy, and evenly dark, not foamy or streaked.
- Divide the batter equally among the three prepared pans, using the scale for even layers, and tap each pan once against the counter to release large air pockets. Bake for 22 to 27 minutes, rotating the pans front to back after 18 minutes if the oven browns unevenly. The cakes are done when their centers spring back, a tester shows moist crumbs without wet batter, and the edges just begin pulling from the pans. Cool in the pans for 15 minutes, then turn onto racks and cool completely before frosting.
- Place the cold mascarpone, sifted confectioners’ sugar, and vanilla in the bowl of a stand mixer fitted with the whisk, or use a large bowl and hand mixer. Beat on low speed for about 30 seconds, just until smooth. With the mixer running on medium-low, gradually stream in the cold heavy cream. Increase to medium and whip until firm, smooth peaks hold when the whisk is lifted, about 2 to 4 minutes. Stop immediately if the surface begins looking grainy, which signals overwhipping.
- Use a long serrated knife to remove any domed tops from the completely cool cakes. Set one layer cut side up on an 8-inch cake round or serving plate and brush it with one-third of the kirsch syrup. Spread about 180 g mascarpone cream over the cake, then pipe or spread a raised cream border around the edge. Spoon half the cooled cherry filling inside the border. Repeat with the second layer, another third of syrup, cream, and the remaining filling. Add the final layer cut side down and brush with the remaining syrup.
- Apply a thin layer of mascarpone cream over the top and sides with an offset spatula to trap crumbs, then chill for 20 minutes. Cover with the remaining cream, reserving a small amount for piped rosettes if desired. Use a vegetable peeler to make curls from the dark chocolate and press shavings around the lower sides, scattering curls over the top. Refrigerate the finished cake for at least 1 hour. For clean servings, wipe a sharp knife between cuts and let slices stand for 15 minutes before eating.
Notes
- Weigh the finished batter into the pans rather than judging by eye. Equal batter weights produce level tiers that finish baking at the same time and stack without leaning.
- Keep the cherry filling confined inside a piped cream border. If fruit touches the outer edge, its moisture can tint the white frosting and encourage the upper layer to slide.
- Do not frost warm cake. Even slightly warm layers soften mascarpone cream quickly, so the centers and bottoms should feel completely cool before assembly.
- Watch the mascarpone cream rather than relying only on the mixer time. Stop when the ridges remain defined and the lifted whisk leaves an upright peak with a slightly curved tip.
- Chill the assembled cake before cutting, but temper individual slices for about 15 minutes. The cream stays stable while the oil-based chocolate crumb regains its softest texture.
