I never thought I’d find a cupcake recipe easier than this, especially one that wraps the warm, cozy flavor of Biscoff in every bite. Imagine biting into a moist vanilla cupcake filled with creamy Biscoff spread, crowned with a luxuriously smooth Biscoff buttercream, and finished with a satisfying crunch of Biscoff cookies. The moment these cupcakes come together in your kitchen, the sweet, spicy aroma fills the air and promises pure indulgence that’s simply unforgettable.
Why You’ll Love This Biscoff Cupcakes with Biscoff Buttercream Recipe
- Rich, irresistible flavor: The luscious combination of Biscoff spread inside the cupcakes and the mousseline buttercream on top creates a deeply satisfying taste experience that balances sweet and spicy perfectly.
- Simple pantry staples: This recipe uses common ingredients like unsalted butter, sugar, eggs, and staple spices like cinnamon, making it accessible and budget-friendly without any fancy extras.
- Perfect for sharing: With six large cupcakes, it’s ideal for treating family or guests, and the elegant presentation makes them a standout at any gathering.
- Impressive texture contrast: Enjoy the moist, tender cupcake base with a creamy pastry cream filling and a fluffy yet stable Biscoff mousseline buttercream, all topped with crunchy Biscoff cookies for delightful variety in every bite.
- Room temperature magic: The careful balance of room temperature ingredients ensures a smooth, silky buttercream and tender crumb, elevating your baking skills effortlessly.
Why This Biscoff Cupcakes with Biscoff Buttercream Recipe Works
This recipe shines thanks to a few expert touches. First, the use of baking soda activated by vinegar creates a wonderfully moist cupcake texture without any vinegary taste—a little secret for softness and lift. The pastry cream is carefully whisked and cooked to a silky smooth consistency before being enriched with butter, which forms the base for our German-style Biscoff mousseline buttercream. Whipping in the Biscoff spread at room temperature ensures the buttercream remains fluffy and stable without curdling. Each step builds layers of texture and flavor that come together in every delectable cupcake.
Ingredients You’ll Need

Gather ingredients that bring warmth and richness, from creamy butter to the unmistakable Biscoff spread, supported by classic cupcake basics and a touch of spice to intensify flavor.
- 100 g Unsalted butter (room temperature): Provides the creamy, tender base for cupcakes and pastry cream.
- 50 g Granulated sugar: Adds light sweetness and helps create a fine crumb.
- 50 g Brown sugar: Brings a deeper caramel note to the cupcakes.
- 1 Egg (room temperature): Binds the batter for structure and keeps the texture light.
- 135 g All purpose flour: The essential building block for the cupcake batter and pastry cream.
- ½ teaspoon Cinnamon: Infuses a gentle warm spice that complements the Biscoff flavor beautifully.
- ½ teaspoon Baking powder: Helps cupcakes rise perfectly.
- ¼ teaspoon Salt: Balances sweetness and enhances flavor complexity.
- 100 g Whole milk (room temperature, full fat – 3%): Creates a tender crumb and smooth pastry cream.
- ½ teaspoon White vinegar: Reacts with baking soda to keep cupcakes moist without leaving any taste.
- ½ teaspoon Baking soda: Provides lift and tenderness to the cupcakes.
- 250 g Whole milk: Used in making the silky pastry cream that fills the cupcakes.
- 50 g Granulated sugar (pastry cream): Sweetens the creamy filling to perfection.
- 30 g Egg yolk (approx. yolk of 2 eggs): Enriches and thickens the pastry cream.
- 12 g Corn starch: Thickens the pastry cream without adding heaviness.
- 13 g All purpose flour: Adds stability to the pastry cream texture.
- 25 g Unsalted butter (room temperature, 82% fat) for pastry cream: Makes the cream luxuriously smooth and rich.
- 65 g Biscoff spread (store-bought or homemade): Key ingredient for the luscious buttercream and flavor punch.
- 75 g Unsalted butter (room temperature, 82% fat) for buttercream: Whipped to lightness as base for the Biscoff buttercream.
- 100 g Biscoff spread (to fill cupcakes): The delicious center filling that surprises every bite.
- Biscoff cookies (to decorate): Adds a delightful crunch and visual appeal on top.
Ingredient Substitutions & Tips
- Biscoff spread: If unavailable, speculoos cookie butter can be a suitable alternative.
- Unsalted butter: Salted butter can be used if unsalted isn’t on hand but reduce added salt slightly.
- Whole milk: Full-fat plant-based milk like oat or almond milk works for dairy-free adaptation, though texture may slightly vary.
- White vinegar: Fresh lemon juice can substitute to activate the baking soda, keeping cupcakes tender.
👨🍳 Pro Tips for Perfect Results
- Room temperature is key: Make sure your butter, milk, and eggs are at room temperature for the smoothest batter and buttercream textures.
- Don’t overbeat the egg: When mixing the egg into the butter and sugar, just blend until incorporated to keep cupcakes tender.
- Mix vinegar and baking soda last: Add this bubbly secret right before baking to lock in moisture.
- Cover pastry cream tightly: Place plastic wrap directly on the surface to prevent skin formation while cooling.
- Chill the buttercream: Refrigerate the mousseline cream while baking cupcakes to help it set perfectly for piping.
How to Make Biscoff Cupcakes with Biscoff Buttercream Recipe
Step 1: Create the Pastry Cream Base
Begin by whisking sugar and egg yolks in a large bowl until they turn slightly fluffy, about 1 to 2 minutes. This gentle whisking is the foundation for a silky smooth custard.
💡 Pro Tip: Use a hand whisk for gentle control to avoid over-beating the yolks.
Step 2: Incorporate Thickening Agents
Next, stir in the corn starch and all-purpose flour until you have a smooth, lump-free paste. This step ensures your pastry cream thickens evenly during cooking.
💡 Pro Tip: Mix thoroughly for a consistent texture without pockets of dry starch.
Step 3: Heat the Milk
Warm the whole milk in a saucepan over medium heat until it just starts to simmer—avoid boiling vigorously to keep the cream silky.
💡 Pro Tip: Remove from heat as soon as steam starts rising to prevent burning.
Step 4: Temper the Egg Mixture
Slowly pour the hot milk into the egg mixture, whisking vigorously to prevent curdling and create a velvety custard base.
💡 Pro Tip: Pour gradually while constantly whisking for a smooth blend.
Step 5: Thicken the Pastry Cream
Return the mixture to the saucepan and cook over medium heat. Keep whisking until the cream thickens, typically about one minute after it boils. You might notice lumps at first—keep whisking until it smooths out and shines.
💡 Pro Tip: Patience here ensures that luscious texture.
Step 6: Strain for Perfection
If you want an ultra-smooth finish, strain the cream to remove any lumps, creating a flawless base for your buttercream.
💡 Pro Tip: Use a fine sieve or cheesecloth.
Step 7: Enrich the Cream
Mix in softened butter in three stages with a rubber spatula, blending well after each addition to fully incorporate and enrich the pastry cream.
💡 Pro Tip: Adding the butter slowly avoids separating.
Step 8: Cool the Cream
Transfer the cream into a shallow bowl, cover the surface with plastic wrap tightly, and let it cool to room temperature to prevent a skin from forming.
💡 Pro Tip: This step is key for a perfect mousse texture later.
Step 9: Whip the Biscoff Buttercream
Whip room temperature butter first for 1 to 2 minutes until pale and fluffy. Then beat in Biscoff spread. Gradually add room temperature pastry cream in four additions, whipping gently until the buttercream is stable but still airy. Avoid overwhipping to prevent it from turning runny.
💡 Pro Tip: Chill the buttercream for 30 minutes while baking for ideal piping consistency.
Step 10: Bake the Cupcakes
Preheat your oven to 175°C (347°F) without fan. Using an electric mixer, cream butter with sugars until fluffy, then gently mix in the egg. Sift flour, salt, cinnamon, and baking powder separately as the dry mix. Alternate adding wet and dry ingredients into the batter, folding gently with a spatula each time.
💡 Pro Tip: Folding preserves air, keeping cupcakes light.
Step 11: Add Secret Moisture Booster
Mix the vinegar and baking soda—watch it bubble happily—and fold immediately into the batter. This trick guarantees moist cupcakes without a hint of vinegar flavor.
💡 Pro Tip: Add this mixture just before baking for best effect.
Step 12: Bake and Cool
Fill cupcake pans about three quarters full (this recipe makes 6 large cupcakes). Bake for 25 minutes or until a skewer comes out clean. Let cupcakes cool on a rack completely before filling.
💡 Pro Tip: Resist the urge to fill warm cupcakes—they need to be fully cooled to keep the filling intact.
Step 13: Assemble and Decorate
Core each cupcake to create a small hole, fill with Biscoff spread, then pipe the mousseline Biscoff buttercream on top. Finish with a drizzle of extra Biscoff spread and a crunchy Biscoff cookie on each cupcake.
💡 Pro Tip: Use a piping bag with a star tip to make elegant swirls.
Step 14: Store Properly
Keep these treats refrigerated and enjoy within 2 to 3 days for optimal freshness.
💡 Pro Tip: Always store cupcakes in an airtight container to protect the delicate buttercream.
Common Mistakes to Avoid
Learn from these common pitfalls:
- Overbeating eggs: This can toughen the cupcakes, so mix eggs just until combined.
- Skipping the plastic wrap: Not covering pastry cream while cooling causes unwanted skin to develop.
- Using cold ingredients: Butter or milk that isn’t room temperature can cause the batter and buttercream to separate.
- Overwhipping buttercream: Whipping too long turns it runny—stop as soon as it’s stable and fluffy.
- Filling warm cupcakes: Filling cupcakes before they cool can melt the filling and ruin shape.
- Ignoring baking soda and vinegar reaction: Add this mixture immediately to capture the bubbles needed for moist cupcakes.
Delicious Variations to Try
Once you’ve mastered the classic Biscoff Cupcakes with Biscoff Buttercream Recipe, feel free to experiment with these tasty twists:
Chocolate Biscoff Delight
Swirl some melted dark chocolate into the cupcake batter or drizzle over the finished cupcakes for a decadent twist that pairs beautifully with Biscoff flavor.
Hazelnut Crunch
Add finely chopped toasted hazelnuts to the cupcake batter or sprinkle over the buttercream for a delightful nutty crunch that complements the warm spices.
Salted Caramel Drizzle
Top your cupcakes with a drizzle of homemade salted caramel for a sweet and salty contrast that dances with the Biscoff buttercream.
Chai Spice Boost
Enhance the cupcake batter with a pinch of cardamom and ginger alongside cinnamon, giving your cupcakes a cozy chai-inspired aroma and taste.
Fresh Berry Garnish
Add a fresh raspberry or strawberry atop each cupcake for a pop of color and a tart counterpoint to the rich sweetness.
How to Serve Biscoff Cupcakes with Biscoff Buttercream Recipe

Garnishes
For a stunning presentation, garnish with whole or crushed Biscoff cookies and a delicate dusting of cinnamon. You can also add a dollop of extra Biscoff spread or a few fresh berries for color and freshness.
Side Dishes
Complement these cupcakes with a creamy chai tea latte or a cold glass of lightly spiced milk to echo the warm cinnamon notes in the cupcakes.
Creative Ways to Present
Try serving your cupcakes on vintage dessert plates lined with delicate lace doilies or arrange them in a rustic wooden box lined with parchment for a cozy afternoon tea vibe. These Biscoff Cupcakes with Biscoff Buttercream Recipe also shine as an elegant gift when packaged in clear boxes tied with ribbon.
Make Ahead and Storage
Make-Ahead Instructions
You can prepare the pastry cream and buttercream up to a day in advance, storing them covered in the fridge. Bake the cupcakes a few hours before serving and assemble just before your event to keep them fresh and vibrant.
Storage
Store the assembled cupcakes covered in the refrigerator for up to 2 to 3 days to maintain freshness and prevent the buttercream from softening too much.
Freezing
These cupcakes freeze well before filling and frosting. Wrap tightly and freeze for up to one month. Thaw completely in the refrigerator before adding filling and buttercream.
Reheating
Allow refrigerated cupcakes to come to room temperature before serving. If frozen, thaw overnight in the fridge and let sit at room temperature for 30 minutes for best texture.
Expert Tips for Success
- Always use freshly sifted flour: It keeps your cupcake crumb light and tender.
- Gently fold wet and dry ingredients: To preserve air bubbles for a fluffy texture.
- Use a hand whisk for pastry cream: Gives you better control and helps avoid curdling.
- Chill buttercream before piping: It prevents collapsing and makes decorating easier.
- Pipe the buttercream with a chilled tip: This helps create crisp, clean swirls.
- Don’t overcrowd baking pan: Ensures even heat circulation and perfect rise.
- Store cupcakes airtight: To keep moisture locked in and prevent drying out.
Frequently Asked Questions
Can I make these cupcakes vegan?
This particular recipe relies on eggs, butter, and milk, so it’s not vegan. However, you could experiment with plant-based substitutes like flax eggs and dairy-free butter alternatives, though texture and flavor may vary.
What is Biscoff spread?
Biscoff spread is a creamy, sweet paste made from speculoos cookies—those delicious caramelized spiced biscuits. It adds a unique depth of flavor unlike any other spread.
Can I use a different type of buttercream?
While this recipe is designed for the German-style mousseline buttercream for its light and stable texture, you could try Swiss meringue or American buttercream as alternatives, though sweetness and mouthfeel will differ.
How long do these cupcakes keep?
Stored in the fridge, these cupcakes stay fresh for 2-3 days. For longer storage, bake and freeze the cupcakes (unfilled and unfrosted) for up to a month.
Can I make the pastry cream ahead of time?
Absolutely! Pastry cream can be made a day in advance, kept covered with plastic wrap touching the surface to prevent skin, and chilled until ready to use.
Why do I need to add vinegar and baking soda?
This reaction creates bubbles that help cupcakes stay moist and light. It’s a clever way to keep them tender without affecting taste.
What is the best way to pipe the buttercream?
Use a piping bag fitted with a star tip and chill the buttercream briefly before piping to help maintain shape and detail.
Final Thoughts
There is something truly special about these Biscoff Cupcakes with Biscoff Buttercream Recipe that makes every bite feel like a treat. From the soft, fragrant cupcakes to the indulgently creamy filling and frosting, topped with crunchy cookies, these cupcakes deliver layers of texture and flavor that delight the senses. Whether you’re baking for a special occasion or simply to satisfy a sweet craving, this recipe will quickly become one you return to again and again. So grab your ingredients, warm up your whisk, and enjoy the cozy, joyful baking experience that awaits!
PrintBiscoff Cupcakes with Biscoff Buttercream Recipe
These Biscoff Cupcakes with Biscoff Buttercream are moist, fluffy cupcakes filled and topped with rich Biscoff spread and a luscious buttercream frosting, perfect for a delightful treat.
- Prep Time: 20 minutes
- Cook Time: 25 minutes
- Total Time: 1 hour 15 minutes
- Yield: 6 servings 1x
- Category: Dessert
- Method: Baking
- Cuisine: European
- Diet: Vegetarian
Ingredients
Cupcakes
- 100 g Unsalted butter (room temperature)
- 50 g Granulated sugar
- 50 g Brown sugar
- 1 Egg (room temperature)
- 135 g All purpose
- 1/2 teaspoon Cinnamon
- 1/2 teaspoon Baking powder
- 1/4 taspoon Salt
- 100 g Whole milk (room temperature, full fat (3%))
- 1/2 teaspoon White vinegar
- 1/2 teaspoon Baking soda
Pastry Cream
- 250 g Whole milk
- 50 g Granulated sugar
- 30 g Egg yolk (approx. yolk of 2eggs)
- 12 g Corn starch
- 13 g All purpose flour
- 25 g Unsalted butter (room temperature, 82% fat content – will be used while making the pastry cream)
Biscoff Buttercream & Filling
- 65 g Biscoff spread (store bough or homemade)
- 75 g Unsalted butter (room temperature, 82% fat content – will be used while making the butter cream )
- 100 g Biscoff spread (to fill the cupcakes)
Decoration
- Biscoff cookies (to decorate)
Instructions
- Pastry cream: In a large enough bowl with the help of a Hand whisk, mix together sugar and egg yolk until slightly fluffy for about 1-2 minutes
- Pastry cream: Mix in corn starch and flour until throughly incorporated and have a smooth paste
- Pastry cream: Bring milk to simmering in a saucepan on medium heat. Make sure it is simmering but not crazy boiling
- Pastry cream: Pour the warm milk over the egg yolk mixture slowly while whisking vigorously with a Hand whisk.
- Pastry cream: Pour the mixture back into the saucepan and cook on medium heat for a few minutes until it thickens. Concretely it is approximately 1 min after the first boil. It might get lumpy first, don’t worry just keep whisking and the cream will get smooth and glossy
- Pastry cream: If in doubt, strain the pastry cream for a lump-free, creamy end result
- Pastry cream: Add in room temperature soft butter and mix with a Rubber spatula until completely incorporated. It is worth to add the butter in 3 stages and mix well after each addition
- Pastry cream: Place the cream into a shallow bowl and cover the entire surface with plastic wrap to avoid skin forming on top. Let it cool to room temperature
- Make the Biscoff mousseline cream (German buttercream): Crème mousseline can be made with room temp pastry cream, room temp butter, and Biscoff spread. Make sure everything is at room temp otherwise the mixture might curdle
- Make the Biscoff mousseline cream (German buttercream): Whip room temp butter first for 1-2 minutes, then mix in Biscoff spread
- Make the Biscoff mousseline cream (German buttercream): Start adding in the room temperature pastry cream in 4 stages until cream reaches a stable yet fluffy texture. Do not over whip the mixture as it can become runny
- Make the Biscoff mousseline cream (German buttercream): Place the cream into the fridge for half an hour while preparing the cupcakes
- Cupcakes: Heat oven to 175 C / 347°F (no fan)
- Cupcakes: With an Electric hand mixer whip room temperature butter and sugar together until pale and fluffy then whip the egg in. Do not overbeat
- Cupcakes: Sift flour, salt, cinnamon and baking powder together, this is the “dry ingredients”, while the room temp milk is your wet ingredient
- Cupcakes: Start adding the dry and wet ingredients into the batter in the following 4 steps: wet, dry, wet, dry. With a Rubber spatula fold each time
- Cupcakes: Mix vinegar and baking soda together in a small bowl, it will be super bubbly. Immediately fold the mixture into the cupcake batter. This is the secret ingredient to keep the cupcakes moist without the taste of vinegar of course!
- Cupcakes: Spoon or pipe the mixture into Cupcake pan till approx. ¾. This batch makes 6 large cupcakes
- Cupcakes: Bake for 25 min or until a skewer inserted comes out clean then let them cool on a cooling rack before filling and decorating
- Assembling: Once the cupcakes cooled to room temperature, make a small hole on each of them and fill them with the Biscoff spread
- Assembling: Pipe frosting on top, then decorate with more Biscoff spread and Biscoff cookies
- Assembling: Store in the fridge for 2-3 days
Notes
- Let the pastry cream cool to room temperature covered with plastic wrap to avoid skin forming.
- Make sure all ingredients used for the buttercream are at room temperature to prevent curdling.
- The vinegar and baking soda mixture is the secret to keeping the cupcakes moist without adding vinegar taste.
- Store finished cupcakes in the fridge for 2-3 days to preserve freshness.