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This Biscoff layer cake is a dream for anyone who loves that warm, spiced cookie flavor. Soft, tender cake layers are enhanced with crushed Biscoff cookies, filled with smooth cookie butter between the tiers, and finished with a rich semi‑sweet chocolate buttercream. A Biscoff spread drip and extra cookies on top complete the look and flavor.
The cake is layered with Biscoff cookie crumbs inside the batter for extra texture, while a generous layer of cookie spread between each sponge ensures every bite tastes unmistakably Biscoff. The chocolate buttercream gives the cake balance and depth, cutting through some of the sweetness and pairing beautifully with the spiced cookie notes.
This recipe produces a showstopping dessert that’s both impressive and approachable. The combination of soft, moist cake, creamy cookie butter, and velvety chocolate frosting makes it perfect for celebrations or a special treat.
Why this recipe works
- Intense Biscoff flavor: Both crushed cookies and cookie spread are used so the Biscoff profile runs through every component.
- Moist, tender layers: The batter includes buttermilk and sour cream and also incorporates crushed Biscoff cookies for texture and flavor.
- Balanced chocolate frosting: A semi‑sweet chocolate buttercream adds richness and balances the sweetness and spice of the Biscoff.
Ingredient notes
Below are the key ingredients and a few tips. Refer to the recipe card for exact quantities.
- Biscoff cookies: Used both inside the cake batter and as a decorative topping for texture and flavor.
- Biscoff cookie spread: Adds a silky Biscoff layer between sponges and is melted for the drip decoration.
- Butter and eggs: Bring to room temperature for best mixing and stable batter.
- Buttermilk and sour cream: These add moisture and tenderness—allow them to come to room temperature before use.
- Semi‑sweet chocolate: Choose a quality semi‑sweet chocolate for the frosting to achieve a balanced, not overly sweet flavor.
Step-by-step — Biscoff cake layers
You’ll need a stand mixer with a paddle attachment or a hand mixer, plus three 20 cm (8 in) cake pans. The full ingredient list is in the recipe card below.
Preheat the oven to 170ºC (340ºF) conventional and line three 20 cm baking pans with parchment.
1. Pulse Biscoff cookies into fine crumbs. Sift together flour, baking powder, baking soda, and salt; stir in the cookie crumbs. Combine buttermilk and vanilla and set aside.
2. In the mixer, beat butter, vegetable oil, and granulated sugar on high for about 3 minutes until light and fluffy.
3. Scrape the bowl, then add eggs one at a time, mixing until incorporated.
4. Mix in the sour cream until combined.
5. Alternately add one‑third of the dry mixture and half of the buttermilk mixture, finishing with the dry mixture. Mix until just combined—do not overmix.
6. Divide batter evenly between the three prepared pans and bake 24–27 minutes, or until a cake tester inserted in the center comes out clean.
7. Cool the cakes on a rack. After 10 minutes, remove from the pans and let cool completely before assembling.
Step-by-step — Chocolate frosting
1. While the cakes cool, beat butter, powdered sugar, and vanilla with a whisk attachment until smooth and airy, about 3 minutes.
2. Melt chopped chocolate with corn syrup and heavy cream in short bursts in the microwave (30–40 seconds) or over a warm double boiler, stirring until smooth.
3. Add the chocolate mixture to the butter and beat until combined. The frosting will be soft—cover and chill in the refrigerator for about 1 hour, stirring occasionally, until it firms to a spreadable consistency.
4. When the cake layers are completely cool, the frosting should be thick yet spreadable. If it’s too firm, let it warm slightly at room temperature.
Step-by-step — Assembling
1. Position the first cake layer on a serving plate or cake board. A turntable makes decorating easier but is not required.
2. Spread about 100 g of Biscoff cookie spread evenly over the layer. Pipe a small ring of chocolate buttercream around the edge, then spread the buttercream to cover the cookie layer.
3. Add the second layer and repeat. Top with the final layer, then apply a thin crumb coat of frosting and chill in the freezer for 20 minutes to set.
4. Apply the remaining buttercream, smooth the sides, and chill for another 10 minutes.
5. While chilling, melt 150 g of Biscoff spread and allow it to cool slightly. Drizzle the cooled spread over the top to create a drip effect and finish by decorating with extra Biscoff cookies or chocolate chips.
Expert baking tips
- Use a kitchen scale: Weights in grams are the most accurate way to measure ingredients and will improve consistency.
- Don’t overmix: Fold gently once the wet and dry ingredients are combined to avoid developing too much gluten and keeping the crumb tender.
- Choose light-colored pans: Aluminum pans reflect heat and bake more evenly. Dark pans can create a darker crust and may dry the cake.
FAQ
Yes. Bake the cake layers a day in advance and wrap them well in plastic wrap; store in the freezer and thaw for about an hour before assembling. The buttercream is best made the day you assemble the cake.
Insert a cake tester or toothpick into the center of each cake. If it comes out clean with no wet batter, the cakes are done.
Storage
Store the finished Biscoff layer cake in the refrigerator. It’s best enjoyed within 1–2 days; bring slices to room temperature before serving for the best texture and flavor.
Other layer cake recipes to try
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Biscoff Layer Cake
Pin Recipe
Equipment
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20 cm baking pan
Ingredients
BISCOFF CAKE LAYERS
- 100 g Biscoff cookies blended into crumbs
- 400 g all-purpose flour
- 2 teaspoon baking powder
- ½ teaspoon baking soda
- 1 teaspoon salt
- 200 g buttermilk room temperature
- 2 teaspoon vanilla extract
- 180 g butter room temperature
- 65 g vegetable oil
- 330 g granulated sugar
- 4 large eggs
- 140 g sour cream
CHOCOLATE FROSTING
- 110 g unsalted butter
- 200 g powdered sugar
- 2 teaspoon vanilla extract
- 200 semisweet chocolate chopped
- 2 tablespoon light corn syrup
- 180 g heavy cream
ASSEMBLING
- 200 g Biscoff cookie spread
- 150 g Biscoff cookie spread melted for drip
Instructions
BISCOFF CAKE LAYERS
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Preheat the oven to 170ºC and prepare three 20 cm pans with parchment.
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Blend the Biscoff cookies, sift the dry ingredients, and combine everything as described above. Mix buttermilk with vanilla and set aside.
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Cream butter, oil, and sugar, add eggs one at a time, then stir in sour cream.
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Alternate adding the dry mixture and buttermilk until the batter is just combined.
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Divide the batter and bake until a tester comes out clean. Cool completely before assembling.
CHOCOLATE FROSTING
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Whip butter, powdered sugar, and vanilla until smooth. Melt chocolate with corn syrup and cream, then blend into the butter.
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Chill the frosting until spreadable, then bring to room temperature before using if needed.
ASSEMBLING
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Layer cake, spread Biscoff between tiers, crumb coat, chill, then finish with remaining frosting and a Biscoff drip. Decorate as desired.
Nutrition
Protein: 38g
Fat: 226g
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