Sugar-Free Black Forest Cake

This sugar-free Black Forest cake is an accidental miracle that became the most delicious mistake I ever made. Rich, velvety chocolate layers soaked with cherry syrup, stacked with cloud-like whipped cream — and not a single gram of added sugar in the batter.

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A Note on “Sugar-Free”

Let’s set the record straight. When I say this cake is sugar-free, I mean that no additional sugar was added to the batter. There are small amounts of natural sugars in the chocolate chips and the whipping cream — but this combination strikes the perfect balance, infusing the cake with just the right amount of low sweetness and cocoa goodness.

If you want a completely no-sugar version, I will show you exactly how to do that right below. Keep reading!

The Flavour

With each forkful, you savour the delightful dance of flavours. The deep, velvety chocolate cake embraces the tangy burst of cherry syrup, while a hint of almond infuses every layer with warmth and complexity. The ethereal whipped cream crowns the creation, adding a cloud-like lightness to the ensemble. Born out of serendipity, this cake is a symbol of the beauty of imperfection — and a reminder that some of the best recipes come from happy accidents.

Why Go Sugar-Free in Your Desserts?

1. Health-consciousness: Excessive sugar consumption has been linked to obesity, diabetes, and heart disease. Choosing sugar-free alternatives lets you indulge without guilt.
2. Blood sugar management: Sugar causes rapid spikes and drops in blood sugar levels. Sugar-free desserts help maintain more stable energy throughout the day — especially important for people with diabetes or pre-diabetes.
3. Weight management: Traditional desserts are often high in sugar and calories. A sugar-free version provides a lower-calorie alternative without sacrificing flavour.
4. Cancer prevention: A high-sugar diet can trigger chronic inflammation. Chronic inflammation has been linked to the development of cancer and other chronic diseases — this is the main reason I personally keep the sugar out of my baking.

Ingredients for Sugar-Free Black Forest Cake

Unsweetened Cocoa Powder

• Why it matters: This is where all the chocolate flavour comes from without adding any sugar. Use a good-quality natural unsweetened cocoa powder for the deepest, richest flavour. The espresso powder in the dry ingredients intensifies the cocoa even further — a classic baker’s trick.

Semi-Sweet Chocolate Chips

• Why they matter: The chocolate chips are melted into the wet batter, adding richness and moisture without the need for added sugar. They contribute a mild sweetness that makes the cake feel indulgent. For a fully sugar-free version, swap these for an extra half cup of cocoa powder and add a sugar-free sweetener instead. Sugar-free chocolate chips are also a great direct substitute.

Natural Yogurt and Cream

• Why they matter: These two ingredients are the secret to the cake’s incredible moist texture. The yogurt adds a subtle tang and keeps the crumb tender. The cream adds richness. Together they eliminate the need for butter while producing a denser, moister cake than a traditional recipe.

Cherry Syrup and Fresh Cherries

• Why they matter: The cherry syrup soaks into each cake layer, adding moisture and a tart-sweet flavour that defines the Black Forest experience. If you cannot find cherry syrup at your local grocery store — like me — you can make your own using my homemade Cherry Syrup Recipe. It takes under 15 minutes.

Heavy Whipping Cream

• Why it matters: The whipped cream is what makes this cake feel light and celebratory. The addition of cornstarch stabilises it so it holds its shape even in warm weather. Chill your cream in the freezer for 10 to 15 minutes before whipping — it will whip up faster and hold peaks better. For a fully sugar-free assembly, use a monk fruit sweetener instead of confectioners’ sugar in the whipped cream.

For a Completely Sugar-Free Version

If you’re on the hunt for a recipe that is COMPLETELY FREE of sugar and gluten, use my base recipe with the following adjustments:

1. Remove the chocolate chips from the recipe and double up on the cocoa powder instead.
2. Add 1/4 cup of erythritol sweetener or your preferred sugar-free sweetener. Alternatively, replace with 1/4 cup of honey if you are only reducing refined sugar rather than going fully sugar-free.
3. Remove the all-purpose flour and replace it with your favourite gluten-free flour blend.
4. Add 1 tsp of almond extract for that classic Black Forest flavour.
5. Add an extra egg — 4 eggs total in the recipe — to compensate for the different binding properties of gluten-free flour.

How to Make This Black Forest Cake

1. Preheat the oven to 350°F and grease a round 9-inch springform pan. Line the bottom with parchment paper and set aside.
2. Combine all dry ingredients in a bowl. In a pot over low heat, melt the chocolate chips with water, whisking constantly so it doesn’t stick. Scrape into a stand mixer bowl or large heat-proof bowl.
3. Using a hand mixer or stand mixer, slowly add the vegetable oil on low speed. Add the yogurt and cream on medium until combined. Add eggs one at a time, then the vanilla extract.
4. Gradually add half the dry mixture to the wet mixture. Mix until incorporated. Add the remaining dry ingredients and whisk for about one minute until uniform.
5. Pour the batter into the pan and bake for 30 to 35 minutes. The cake is done when a toothpick inserted in the centre comes out clean, or the centre springs back firmly when lightly touched.
6. Let the cake cool completely in the pan. Wrap with plastic wrap to retain moisture. Refrigerate until assembly.
7. Assemble the cake: Whip the heavy cream, confectioners’ sugar (or sugar-free sweetener), and cornstarch on high speed until medium peaks form — about 3 to 4 minutes. Do not overmix or the cream will break.
8. Level the cake top with a serrated knife. Carefully slice the cake in half horizontally to create two even layers.
9. Place the first layer on your serving plate. Drizzle 2 tbsp cherry syrup and spread evenly. Scatter 2 tbsp cherries. Apply a generous layer of whipped cream and smooth with an offset spatula.
10. Place the second layer on top. Add remaining cherry syrup and cherries. Apply the rest of the whipped cream. Garnish with fresh cherries and grated chocolate.

Cherry Syrup Recipe

If you cannot find cherry syrup in your local grocery store — like me — you can easily make it at home. Follow my homemade Cherry Syrup Recipe — it takes under 15 minutes and uses just three ingredients.

Professional Tips

Pro Tip #1 — Assemble Ahead of Time

To save time, bake the cake the day before assembly. Wrap the cooled layers tightly in plastic wrap and refrigerate overnight. Cold cake layers are actually easier to slice cleanly and hold up better under the whipped cream.

Pro Tip #2 — Cornstarch to Stabilise Whipped Cream

Humidity and heat can cause whipped cream to melt and turn runny. Mix 1 teaspoon of cornstarch per cup of heavy cream before whipping. I also like to chill my heavy cream in the freezer for 10 to 15 minutes first — the texture should look like runny ice cream with a few ice crystals. This helps it whip up faster and hold its peaks longer.

Pro Tip #3 — Be Playful

The recipe is a classic Black Forest Cake, but don’t let that stop you from making it your own. At the top of my cake, I like to grate Mexican Abuelita Chocolate — it has hints of cinnamon and clove that give the cake a beautiful complexity. Other ideas: add chocolate syrup, raisins, figs, or anything that represents you and sounds delicious.

Looking for more indulgent desserts on Love & Harvest? Try these:

• Dairy-Free Chocolate Cake — deeply chocolatey and completely dairy-free.
• Pumpkin Chocolate Chip Cake with Biscoff Frosting — the showstopper cake for fall gatherings.

Frequently Asked Questions

Can I use a regular cake pan instead of a springform pan?

Yes. A standard 9-inch round cake pan works fine. Line the bottom with parchment paper and grease the sides well. To remove the cake, run a thin knife around the edges and invert onto a wire rack. The 9-inch springform pan makes removal easier and protects the cake edges, but it is not required.

Why does the centre of the cake sink slightly?

A slight sink in the centre is completely normal and fine — it is caused by the dense, moist batter and the absence of sugar, which normally provides more structural lift. The whipped cream assembly conceals any imperfections. Do not mistake a normal slight sink for an underbaked cake — check doneness with a toothpick.

How do I know when the cake is done baking?

Insert a toothpick into the centre of the cake. If it comes out clean, the cake is done. You can also lightly press the centre with your finger — it should spring back firmly. If it feels wet or leaves an indent, give it another 5 minutes and test again.

Can I make the whipped cream ahead of time?

Whipped cream is best made fresh. If you need to prep ahead, whip the cream, store it in the refrigerator for up to 2 hours, and give it a brief re-whip by hand before using. The cornstarch stabiliser in this recipe helps it hold much longer than plain whipped cream.

How long does the assembled cake keep in the refrigerator?

The assembled cake keeps well covered in the refrigerator for up to 3 days. The cherry syrup actually continues to soak into the cake layers as it sits, making the cake even more moist and flavourful on day two.

Can I substitute the confectioners’ sugar in the whipped cream for a sugar-free option?

Yes. Replace the confectioners’ sugar with an equal amount of monk fruit sweetener or erythritol — both dissolve well in whipped cream and leave no aftertaste. This makes the entire assembled cake free from added refined sugar.

Sugar-Free Black Forest Cake

Crafted without any additional sugar, this moist and velvety Black Forest Cake embodies the perfect harmony of cocoa, cherry, and whipped cream. Indulge in the classic taste of Black Forest Cake, free from any extra sweetness, and let the natural flavors take center stage. Step into a nostalgic realm where homemade cakes reign supreme, reminiscent of the cherished recipes passed down by our beloved grandmothers. Print Recipe Pin RecipePrep Time:20 minutes minsCook Time:30 minutes minsCourse: DessertKeyword: black forest cake, sugar-free

Equipment

• stand mixer

Ingredients

Cake Dry Ingredients

• 1¾ cups all-purpose flour
• ½ cup unsweetened natural cocoa powder
• 2 tsp baking powder
• 2 tsp baking soda
• 2 tsp espresso powder
• pinch of salt

Cake Wet Ingredients

• ½ cup water
• ½ cup semi-sweet chocolate chips
• ½ cup vegetable oil
• ¾ cup natural yogurt
• ½ cup cream
• 2 large eggs room temperature
• 2 tsp vanilla extract

Whipped Cream

• 2 cups heavy cream or heavy whipping cream
• 2 tsp cornstarch
• ¼ cup confectioners' sugar

Cherry Syrup

• 4 tbsp cherry syrup
• 4 tbsp cherries and some more for garnish
• 1 cup fresh cherries garnish
• quality semi-chocolate bar, grated garnish

Instructions

• Preheat oven to 350°F (177°C).
• Baking the cake: Grease the bottom and sides of a round cake pan. Line with parchment paper and set aside.
• In a large bowl, whisk together the flour, cocoa powder, baking powder, baking soda, espresso powder, and salt. Set aside.
• In a pot on the stove, combine the water and chocolate chips on low heat. Whisk continuously as they melt so nothing sticks to the bottom. Once all chips are melted, scrape into a stand mixer bowl or large heat-proof bowl.
• With the mixer on low, slowly add the vegetable oil. Add the yogurt and cream and mix on medium speed until combined. Add the eggs one at a time. Add the vanilla extract.
• Scrape the sides and bottom of the bowl to ensure everything is well combined.
• Gradually add half the dry mixture to the wet mixture and mix until incorporated. Add the remaining dry ingredients and whisk for about one minute until uniform.
• Bake for 30 to 35 minutes. The cake is done when a toothpick inserted into the centre comes out clean, or when the centre springs back firmly when lightly pressed.
• Let the cake cool completely in the pan. A slight sink in the centre is normal. If assembling later, wrap the cooled cake in plastic wrap to seal in moisture and refrigerate.
• Assembling the cake: Whip the heavy cream, confectioners’ sugar, and cornstarch on high speed until medium peaks form, about 3 to 4 minutes. Set aside.
• Place the cake on a turntable or flat surface. Level the top with a large serrated knife. Carefully and evenly divide the cake into two horizontal halves.
• Place the first cake layer on the serving dish. Brush or drizzle 2 tbsp cherry syrup evenly. Scatter 2 tbsp of cherries. Generously spread whipped cream over the top.
• Add the second chocolate layer on top of the whipped cream. Add 2 tbsp cherry syrup. Scatter the remaining cherries around the top and apply the rest of the whipped cream.
• Garnish with fresh cherries and generously grate the chocolate bar over the top of the cake. Serve immediately if possible.