Ultimate Biscoff Cake Recipe: A Decadent Cookie Butter Layer Cake

Prepare to be enchanted by the **Ultimate Biscoff Cake**, also affectionately known as the **Cookie Butter Layer Cake**. This extraordinary dessert is a dream come true for anyone who adores the unique caramel-cinnamon flavor of Biscoff. Imagine indulging in incredibly moist cake layers infused with the rich essence of Biscoff, generously covered in a velvety, creamy Biscoff frosting. But the indulgence doesn’t stop there – between each layer, you’ll discover a luscious filling of more cookie butter spread and crunchy, crushed Lotus Biscoff cookies. What makes this cake truly exceptional is its perfect balance: the buttercream is remarkably creamy without being overly sweet, allowing the signature Biscoff flavor to shine through in every single bite. It’s a truly decadent masterpiece that promises to impress!

Baking with Biscoff is one of my greatest culinary joys – and yes, I’ll admit to enjoying it straight from the jar with a spoon too! The distinct caramel and cinnamon notes of Biscoff are simply irresistible and translate beautifully into baked goods. This particular Biscoff cookie butter cake perfectly captures that iconic flavor without becoming cloyingly sweet or overwhelming. Each slice offers a tender, moist crumb, imbued with the warm, comforting flavors of brown sugar, caramel, and cinnamon that are synonymous with Biscoff. It’s a harmonious blend that creates a truly comforting and luxurious dessert experience.

The Biscoff buttercream is a revelation in itself. Despite its rich texture, it’s surprisingly not too sweet, providing the perfect counterpoint to the cake layers. And the grand finale? The delightful filling of extra cookie butter spread and crumbled Lotus cookies nestled between the layers, adding an extra dimension of flavor and an irresistible textural contrast that makes this cake unforgettable.

What Exactly is Biscoff Spread? Understanding Cookie Butter

For those new to this delightful ingredient, Biscoff is more than just a cookie – it’s a global phenomenon! Specifically, Biscoff is the brand name for a popular cookie butter spread. Similar in consistency to peanut butter or Nutella, this delectable spread is crafted from finely crushed speculoos biscuits. Originating from Belgium, speculoos cookies are renowned for their distinctive brown sugar and caramelized flavor, beautifully accented with warm spices like cinnamon, nutmeg, and cloves. Lotus Bakeries’ Biscoff brand is arguably the most well-known, making it a household name for cookie butter worldwide.

While Biscoff is the most famous brand, you can certainly use any brand of cookie butter for this recipe, ensuring you achieve that beloved spiced cookie flavor. However, for an authentic taste and stunning presentation, I always recommend using **Lotus Biscoff spread** for the cake, frosting, and filling, and **Lotus Biscoff speculoos biscuits** for crumbling into the filling and for elegant decoration on top. These specific products truly elevate the overall Biscoff experience in this magnificent layer cake, providing consistency in flavor and quality.

Making Your Decadent Biscoff Cake: A Step-by-Step Guide

Achieving the perfect balance of moisture and tenderness in this Biscoff cake was a delightful challenge, largely due to the unique consistency of cookie butter. My goal was to ensure the cake layers were never too dense or too dry, and after numerous tests, I’ve perfected a method that guarantees success. Follow these detailed steps to create your own show-stopping Biscoff layer cake:

Prepping for Perfection: Oven & Pans

1. Begin by preheating your oven to **350°F (180°C)**. If you’re using a convection oven, remember to adjust the temperature down by **25°F (10°C)** to prevent over-baking. This initial step is crucial for even baking.
2. Next, prepare your cake pans. For this recipe, two 8-inch round cake pans with at least 2-inch high sides are ideal. Line the bottoms of the pans with a round of parchment paper. This simple trick prevents sticking and makes removal much easier. Then, lightly grease the sides of the pans.
   • Pro Tip: While greasing and flouring is a classic method, lining the bottoms with parchment paper and greasing the sides significantly simplifies the process of sliding the delicate baked cakes out without damage.

Crafting the Cake Batter: Dry & Wet Ingredients

3. In a medium-sized bowl, thoroughly whisk together all your dry ingredients: flour, baking powder, baking soda, and salt. This step is more important than you might think, as it ensures that your leavening agents (baking soda and baking powder) are perfectly distributed throughout the flour, leading to an even rise and texture.
   • Flour Measurement Matters: Accurate flour measurement is key to a moist cake. Too much flour can result in a dry, crumbly texture. For the most precise results, I highly recommend using a kitchen scale to measure your flour in grams. If a scale isn’t available, whisk the flour first to aerate it, then spoon it gently into your dry measuring cups and level off the top with a straight edge. Never scoop directly with the measuring cup, as this compacts the flour.
4. In a separate, larger mixing bowl, combine the softened unsalted butter, light brown sugar, granulated sugar, and Biscoff spread. Beat these ingredients together until the mixture is light, fluffy, and all clumps of brown sugar and lumps of butter have disappeared. This can take several minutes, but it’s essential for a smooth batter.
   • Flavor Harmony: The inclusion of brown sugar in this recipe isn’t just for sweetness; its molasses notes beautifully complement and deepen the characteristic caramel flavor of Biscoff, enhancing the overall profile of the cake.

5. Once the butter and sugar mixture is creamy, mix in the vegetable oil and vanilla extract until fully incorporated.
   • The Butter-Oil Advantage: This recipe smartly employs a combination of both butter and oil. Butter is paramount for imparting that rich, delectable flavor to the cake. However, oil plays a crucial role in keeping the cake exceptionally moist and tender for a longer period. My recipe tests revealed that using only oil resulted in a cake that felt too greasy and lacked depth of flavor, whereas an all-butter cake tended to dry out much too quickly. This thoughtful blend ensures the best of both worlds: flavor and lasting moisture.
6. Integrate the eggs into the batter one at a time, mixing well after each addition.
   • Avoiding Toughness: Adding eggs individually helps to prevent overmixing the batter. Overmixing can develop the gluten in the flour too much, leading to unwanted air tunnels in the baked cake and a tough, less tender crumb. Patience here results in a beautifully soft cake.

7. Now, you’ll incorporate the dry ingredients and buttermilk into the Biscoff mixture, alternating between additions to build a stable emulsion. Start by gently whisking in approximately one-third of the dry ingredients. Follow this by mixing in about half of the buttermilk. Whisk in another third of the dry ingredients, then the remaining buttermilk. Finally, whisk in the last third of the dry ingredients. Stop mixing as soon as no dry streaks remain – it’s okay if there are a few small lumps.
   • The Hand Mixing Secret: It’s critical to perform this step by hand, using a sturdy rubber spatula for initial stirs and then a wire whisk. This technique minimizes the risk of overmixing, which, as mentioned, can lead to a tough cake with undesirable air pockets.
   • Alternating for Texture: The method of alternating dry and wet ingredients is a classic baking technique that yields the most consistent, soft, and tender cake crumb. It allows ingredients to be evenly absorbed without overworking the gluten.
   • The Magic of Buttermilk: Buttermilk is a fantastic ingredient for cakes. Its acidity tenderizes the gluten, reacting with the baking soda to create a light, moist texture that is never too dense. If you don’t have buttermilk on hand, don’t worry! I’ve included a simple substitution in the “Recipe Notes” section below.

8. Once your Biscoff cake batter is smooth and beautifully uniform, divide it evenly between your two prepared cake pans.
   • The Advantage of Cake Strips: For beautifully flat cake tops (which are ideal for easy stacking of layer cakes without trimming), I highly recommend using cake strips. These can be purchased online or from specialty baking stores. Simply soak the strips in water, then wrap them around the outside of your cake pans before baking. They work by insulating the sides of the pan, allowing the cake to bake more evenly from the edges to the center, preventing that common domed top.

9. Bake the cake layers in the middle rack of your preheated oven for approximately **35-40 minutes**. You’ll know they’re perfectly baked when the edges begin to pull away slightly from the sides of the pan and a toothpick inserted into the center comes out clean, with no wet batter attached.
10. After baking, allow the cakes to cool in their pans for at least 15 minutes before very gently inverting them onto a wire rack to cool completely. These cakes are quite delicate when warm, so handle with utmost care during this step.

Mastering the Creamy Biscoff Buttercream

No Biscoff cake is complete without its signature frosting! Our Biscoff frosting is a delightful American-style buttercream, crafted to be rich and creamy yet perfectly balanced in sweetness. It features softened unsalted butter, a generous amount of Biscoff spread, a hint of cream cheese, a touch of warm cinnamon, powdered sugar, a pinch of salt to enhance the flavors, and a splash of cream for desired consistency. The small addition of cream cheese is a secret weapon here; it effectively cuts through the richness and sweetness of traditional buttercream without making it taste like a cream cheese frosting – it simply refines the flavor profile. Since Biscoff cookies themselves are wonderfully spiced with cinnamon, adding a little extra cinnamon to the frosting truly amplifies that signature taste, creating a cohesive flavor experience throughout the entire cake. For the smoothest, most luxurious buttercream, I always recommend sifting your powdered sugar before adding it. This simple step eliminates any lumps, ensuring a silky-smooth finish that pipes beautifully.

Assembling Your Show-Stopping Biscoff Layer Cake

The assembly process is where your Biscoff cake truly comes to life! Patience and precision at this stage will ensure a stunning presentation and a delightful eating experience. Before you begin, it is absolutely essential that your cake layers are **fully cooled**. Attempting to frost warm cakes will lead to melted frosting and a messy result. If your baked cake layers have developed a slight dome on top, gently use a serrated knife to level them off, creating flat surfaces that will stack perfectly even.

Creating the Irresistible Filling

1. Place your first perfectly cooled and leveled cake layer onto the serving plate or cake stand you intend to use.
2. Apply a thin, even layer of Biscoff frosting across the top of this first cake layer.
3. Next, using a piping bag fitted with a large round tip (or simply a thick band frosted by hand), pipe a sturdy border of frosting just around the edges of the cake layer. This creates a dam that will securely hold your luscious filling in place and prevent it from oozing out the sides once the top layer is added.
4. Gently warm the additional cookie butter for the filling. It should be just warm enough to be easily spreadable, not hot. Spoon this warmed Biscoff into the center of the cake layer, filling the area outlined by your frosting dam. Spread it into an even layer.
5. Generously sprinkle crushed Lotus Biscoff cookies over the cookie butter filling. These add an incredible crunch and intensify the Biscoff flavor within the heart of the cake.

The Crumb Coat and Final Frosting

6. Carefully place the second cake layer on top of the filled first layer, aligning it as perfectly as possible.
7. Now, apply a thin, even layer of Biscoff frosting all over the sides and top of the entire cake. This is known as a **crumb coat**. The crumb coat is a vital step; it traps any loose cake crumbs, sealing them in this initial layer of frosting. This ensures that your final, decorative layer of frosting remains perfectly smooth and free of unsightly crumbs.
8. Once the crumb coat is applied, place the cake in the refrigerator for approximately **20 minutes**. This allows the crumb coat to firm up and set, providing a stable canvas for your final frosting.
9. After the crumb coat has chilled and set, remove the cake from the fridge. You should have about two-thirds of your Biscoff frosting remaining. Use roughly half of this (about one-third of the total frosting prepared) to frost the sides of the cake, creating beautiful swirls or a smooth finish as desired. Then, use the remaining frosting (the final one-third of the total) to frost the top of the cake with elegant swirls or a smooth, even layer.
10. For a final flourish and to visually signal the amazing Biscoff flavor within, I love to decorate the top of the cake with more crushed Lotus Biscoff cookies. You can also add a few whole cookies for extra impact. This not only enhances the flavor and texture but also makes it instantly recognizable as a delicious Biscoff-flavored delight.

Versatile Baking: A Recipe Tip for Alternative Pans

With its exceptionally moist cake layers, a delightful infusion of Biscoff flavor, luxurious cookie butter frosting, and an extra burst of cookie butter and crushed cookies in the filling, this Biscoff cake stands as the ultimate recipe for any devoted cookie butter enthusiast. It’s a celebration of flavor and texture that promises pure bliss in every bite!

Explore More Biscoff Treats!

If this Biscoff cake has ignited your passion for cookie butter, you’re in luck! We have an array of other irresistible Biscoff treats that are just as delightful and easy to make:

• Indulgent Biscoff Blondies
• Decadent Biscoff Stuffed Cookies
• Chewy Biscoff Brownies

Biscoff Cake Recipe

By: Fiona Dowling

This Biscoff cake – AKA cookie butter cake – has moist cake layers flavored with Biscoff, creamy Biscoff frosting and more cookie butter and crushed Lotus cookies in the middle. The buttercream isn’t overly sweet but incredibly creamy. A super decadent cake for anyone who loves cookie butter!

Prep Time: 45 mins

Cook Time: 35 mins

Cooling Time: 45 mins

Total Time: 2 hrs 30 mins

Servings: 12 slices

Equipment

• 2 8-inch round cake pans with high sides (ensure the sides are at least 2 inches / 5 cm high)

Ingredients

Biscoff Cake Layers

• 2 1/2 cups all-purpose flour (312 grams)
• 1 1/2 teaspoons baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt
• 1/2 cup unsalted butter (112 grams), softened
• 1/2 cup brown sugar (105 grams), light packed
• 3/4 cup granulated sugar (150 grams), caster sugar works well
• 2/3 cup Biscoff spread (cookie butter)
• 1/2 cup vegetable oil (120 ml), or canola oil
• 2 teaspoons vanilla extract
• 3 large eggs, at room temperature
• 1 1/4 cup buttermilk (300 ml), at room temperature

Creamy Biscoff Buttercream

• 1 cup unsalted butter (226 grams), softened
• 2 ounces cream cheese (56 grams), full-fat (or substitute with an extra 1/4 cup butter)
• 3/4 cup Biscoff cookie butter
• 1/2 teaspoon cinnamon
• 1/4 teaspoon salt (omit if using salted butter)
• 1 teaspoon vanilla extract
• 2 1/2 – 3 cups powdered sugar (275-330 grams), sifted
• 1-2 tablespoons whipping cream, or milk

Decadent Filling

• 1/3 cup Biscoff spread
• 4-6 crushed Lotus Biscoff cookies

Instructions

For the Biscoff Cake Layers

1. Preheat your oven to 350°F (180°C). Line the bottom of two 8-inch (20 cm) round pans (ensure they have sides at least 2 inches high) with parchment paper and lightly grease the sides.
2. In a medium bowl, whisk together the flour, baking powder, baking soda, and salt until thoroughly combined.
3. In a separate large bowl, using an electric mixer, beat together the softened butter, brown sugar, granulated sugar, and Biscoff spread until light, fluffy, and free of any lumps of butter or brown sugar.
4. Beat the vegetable oil and vanilla extract into the butter mixture until fully incorporated.
5. Add the eggs one at a time, mixing well after each addition until just combined. Scrape down the sides of the bowl as needed.
6. Alternately add the dry ingredients and buttermilk to the butter mixture, starting and ending with the dry ingredients. Whisk in about 1/3 of the dry ingredients, then stir in about 1/2 of the buttermilk. Repeat with another 1/3 of the dry ingredients, followed by the remaining buttermilk. Finally, whisk in the last 1/3 of the dry ingredients. Mix by hand with a wire whisk until just combined and no dry streaks remain. Be careful not to overmix.
7. Evenly distribute the cake batter between the two prepared cake pans.
8. Bake in the middle of the preheated oven for approximately 35-40 minutes. The cakes are done when the edges begin to pull away from the sides of the pan and a toothpick inserted into the center comes out clean.
9. Allow the cakes to cool in their pans for at least 15 minutes before very gently inverting them onto a wire rack to cool completely. These cakes are delicate when warm, so handle with care.

For the Creamy Biscoff Buttercream

1. In a large bowl, beat the softened unsalted butter with an electric mixer until light and fluffy.
2. Add the cream cheese and Biscoff spread, and beat until the mixture is smooth and well combined.
3. Gradually add 2 cups of the sifted powdered sugar, along with the vanilla extract, cinnamon, and salt. Start the mixer on low speed to prevent a cloud of sugar, then gradually increase to medium speed until fully combined and smooth.
4. Continue adding the remaining powdered sugar, a little at a time, alternating with a tablespoon of whipping cream (or milk) until your desired sweetness and thickness of frosting are achieved. Beat until light and fluffy.

Assembling Your Perfect Biscoff Cake

1. Prepare the filling: Add the 1/3 cup Biscoff spread to a small microwave-safe bowl. Microwave for about 30-45 seconds on medium power, then stir until smooth and easily pourable (it should not be hot). Set aside.
2. Ensure that your cake layers are completely cooled. If they have domed tops, gently level them with a serrated knife to create flat surfaces.
3. Place one cake layer on your chosen serving plate or cake stand. Frost a thin, even layer of Biscoff buttercream on top.
4. Using a piping bag fitted with a large round tip, pipe a sturdy ring of frosting around the very edge of the cake layer. Alternatively, create a thick band of frosting by hand. This will form a dam for your filling.
5. Carefully pour the slightly warmed Biscoff spread into the center of the frosting dam and spread it evenly. Sprinkle the crushed Lotus Biscoff cookie crumbs over the top of the filling.
6. Gently place the second cake layer on top, aligning it carefully.
7. Apply a thin layer of Biscoff frosting to the entire cake – sides and top. This is your crumb coat, which traps any loose crumbs. Place the cake in the refrigerator for about 20 minutes to allow the crumb coat to set.
8. Once the crumb coat is firm, remove the cake from the fridge. Use the remaining frosting to generously frost the sides and top of the cake, creating beautiful swirls or a smooth finish as you prefer.
9. Optionally, decorate the top of the cake with additional crushed Lotus Biscoff cookie crumbs or a few whole Biscoff cookies for an appealing presentation that hints at the delicious flavor within.

Recipe Notes for Success

1. Pan Size Flexibility:
   • If using two 9-inch (23 cm) round cake pans, bake for approximately 30-35 minutes at 350°F (180°C).
   • For a single 9×13 inch (23×33 cm) rectangle pan, bake for about 40-45 minutes at 350°F (180°C). In this case, you will only need to divide the frosting recipe in half.
   • Avoid using two 8-inch round (20 cm) cake pans with only 1-inch high sides, as the batter volume is too large and will overflow.
2. Biscoff Product: While any brand of cookie butter can be used, for authentic flavor and best results, I recommend using Lotus Biscoff spread and Lotus Biscoff cookies. You will likely need two 400-gram (14-ounce) jars of Biscoff spread to cover the cake, frosting, and filling, with some possible leftovers.
3. Buttermilk Substitute: If you don’t have buttermilk, you can easily make a substitute. Add 1 tablespoon of lemon juice or white vinegar to a 1 1/4 cup measuring cup, then fill the rest with regular milk (any fat percentage). Stir gently and let it sit for 5 minutes until it slightly curdles. Use this as your buttermilk.
4. Storage and Preparation: Store any leftover Biscoff cake, covered tightly, in the refrigerator for up to 4 days. Unfrosted cake layers can be prepared a day in advance. Once cooled, wrap them tightly (be mindful, as they are delicate) and store at room temperature overnight. Prepare the frosting and assemble the cake on the day you plan to serve for optimal freshness.
5. Nutritional Information: The provided nutritional details are an estimate only. They are based on one slice of cake with frosting and filling, assuming all frosting is used and the cake is uniformly sliced into 12 pieces. Please note that actual values may vary depending on specific ingredients and preparation methods.

Nutrition Information (Per Serving)

• Calories: 823 kcal
• Carbohydrates: 87g
• Protein: 8g
• Fat: 50g
• Saturated Fat: 22g
• Polyunsaturated Fat: 7g
• Monounsaturated Fat: 9g
• Trans Fat: 1g
• Cholesterol: 116mg
• Sodium: 257mg
• Potassium: 158mg
• Fiber: 1g
• Sugar: 59g
• Vitamin A: 900 IU
• Vitamin C: 0.01mg
• Calcium: 83mg
• Iron: 2mg