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There is something utterly irresistible about a sweet treat that balances rich, caramel notes with a soft, chewy texture and a beautifully cracked surface. That is exactly what you get with the Biscoff Blondies with a Crinkle Top Recipe, a delicious twist on classic blondies featuring the iconic Lotus Biscoff cookie butter and crunchy cookie bits. This recipe takes just a handful of simple ingredients—no fancy equipment required—and transforms them into golden squares with a luscious, gooey interior and a delicate, crinkly crust. If you’re a fan of caramelized, spiced cookie flavor, these blondies will quickly become your new go-to dessert or snack!
Ingredients You’ll Need
Every ingredient in this Biscoff Blondies with a Crinkle Top Recipe plays a vital role in achieving that perfect balance of flavor and texture—whether it’s the luscious cookie butter that imparts that signature warmth, or the two types of sugar that lend depth and help form that coveted crinkle top.
- ¾ cup Lotus Biscoff Spread: This is the star ingredient, offering rich caramelized spice flavor that makes these blondies unforgettable.
- ¾ cup butter, melted: You can use regular or vegan butter; it adds moistness and helps create a tender crumb.
- ¾ cup light brown sugar: Adds a subtle molasses sweetness and moisture, contributing to the chewy texture.
- ¾ cup granulated sugar: Balances sweetness and aids in developing the crinkle top.
- 2 eggs: Essential for binding ingredients together and lending structure.
- 1½ teaspoons vanilla extract: Enhances the overall flavor with a warm, sweet aroma.
- 1½ cup all-purpose flour: Provides the body of the blondies; proper measuring ensures the perfect texture.
- ¾ teaspoon salt: Balances the sweetness and highlights the buttery notes.
- 4-5 Lotus Biscoff cookies, roughly chopped (optional): Adds an extra crunchy texture and boosts the Biscoff flavor.
How to Make Biscoff Blondies with a Crinkle Top Recipe
Step 1: Prepare the Cookie Butter Layer
Before you even start mixing your batter, cut a piece of parchment paper to fit an 8×8 inch baking pan. Spread the Lotus Biscoff cookie butter evenly on this parchment in the shape of your pan. Pop this layer into the freezer so it firms up while you whip up the blondie batter. This freezing step is key—it ensures the cookie butter stays intact between the layers for that gorgeous middle surprise.
Step 2: Mix the Wet Ingredients
Preheat your oven to 350°F and line your baking pan with parchment paper, leaving plenty of overhang for easy blondie removal later. Melt your butter until just liquid and transfer it to a bowl. Whisk in light brown and granulated sugars until the mixture becomes thick and pasty—this step creates the foundation of the crinkly top we’re aiming for. Next, add eggs and vanilla extract, whisking again until smooth and shiny.
Step 3: Combine Dry Ingredients and Batter
Sift in your flour and salt, then gently fold everything together with your whisk just until no dry streaks remain. Over-mixing will make the blondies tough, so be gentle here. Half of this batter goes into the parchment-lined pan, level it out evenly to create a stable base for the cookie butter layer.
Step 4: Assemble the Layers and Add Crunch
Retrieve the frozen cookie butter slab from the freezer and carefully peel it off the parchment. Lay it gently atop your first batch of batter in the pan. Pour the remaining batter on top and smooth it out, completely covering the cookie butter. If you want extra texture and flavor, sprinkle chopped Biscoff cookies over the surface; these will toast slightly in the oven, adding delightful crunch.
Step 5: Bake to Perfection
Pop the pan in the oven and bake between 30-40 minutes. Start checking after 30 minutes by inserting a toothpick in the center; you’re looking for a few moist crumbs clinging to the pick, but no raw batter. The top should be shiny and crackly, hinting at that perfect balance of crisp edges and soft interior. Let the blondies cool fully in the pan before attempting to slice—this helps them set beautifully and prevents crumbling.
How to Serve Biscoff Blondies with a Crinkle Top Recipe

Garnishes
A sprinkle of powdered sugar over the cooled blondies brings an elegant touch, enhancing their caramel hues and the crinkle top detail. For extra indulgence, drizzle some additional warmed Biscoff spread on top or dust with cinnamon to amplify that cozy cookie vibe. A dollop of whipped cream or a scoop of vanilla ice cream alongside each square transforms these blondies into a dessert worthy of special occasions.
Side Dishes
Serve your Biscoff Blondies with a hot cup of coffee or a creamy latte to highlight their caramel spice essence. They also pair wonderfully with chai tea or a glass of cold milk for those who like a creamy contrast. For a more decadent treat, consider a warm caramel sauce or a fruit compote that complements the spiced cookie flavors without overpowering them.
Creative Ways to Present
If you’re planning to impress guests, fancy up these blondies by cutting them into smaller bite-size squares and stacking them on a tiered dessert tray. You could also sandwich two blondie squares with a layer of frosting or Biscoff spread in between for a playful and portable treat. For gift-giving, wrap individual blondies in parchment paper tied with twine—simple yet charming!
Make Ahead and Storage
Storing Leftovers
Your Biscoff Blondies with a Crinkle Top Recipe keep beautifully in an airtight container at room temperature for up to four days. Storing them properly ensures they remain moist and retains that lovely chewiness. If you want to keep them a little longer, the refrigerator is fine, though they may firm up a bit.
Freezing
These blondies freeze exceptionally well, making them perfect for batch baking. Wrap individual or sliced squares tightly in plastic wrap, then place them in a zippered freezer bag or airtight container. They can be frozen for up to three months. When you’re ready to enjoy, thaw at room temperature or gently warm for that freshly-baked feel.
Reheating
To revive your blondies, microwave for about 10-15 seconds or warm them in a low oven at 300°F until soft and slightly gooey again. This is especially delightful if you enjoy them with a scoop of ice cream or a drizzle of warmed Biscoff spread for a melt-in-your-mouth experience.
FAQs
Can I use a mixer to make the batter?
This Biscoff Blondies with a Crinkle Top Recipe is designed for simplicity and ease, so a whisk works perfectly. Using a mixer is not necessary and might lead to over-mixing, which can affect the texture.
What if I can’t find Lotus Biscoff Spread?
While Lotus Biscoff Spread is ideal for the signature taste, you can try other cookie butter brands or even peanut butter for an interesting twist, but the classic flavor might change.
How do I know when the blondies are baked perfectly?
Look for a shiny, crinkly top and test with a toothpick inserted in the center. It should come out with a few moist crumbs, never wet batter.
Can I use a different size baking pan?
An 8×8 inch pan is recommended to get the right thickness and baking time. Using a bigger pan will require adjusting baking time and may result in thinner blondies.
Are these blondies suitable for vegans?
You can make this Biscoff Blondies with a Crinkle Top Recipe vegan by using a vegan butter substitute and replacing eggs with flax eggs or another egg replacer, though texture may vary slightly.
Final Thoughts
There is nothing better than pulling a pan of these Biscoff Blondies with a Crinkle Top Recipe from the oven, the smell alone is warm and comforting. Once you taste these, with their gooey, spiced cookie butter center and that perfectly crackled top, you’ll want to make them again and again. Whether for a cozy afternoon treat or a sweet gift for friends, these blondies are a delightful crowd-pleaser anyone can master. So grab your ingredients and get ready to enjoy a dessert that feels like a hug in every bite!
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Biscoff Blondies with a Crinkle Top Recipe
- Prep Time: 15 minutes
- Cook Time: 30-40 minutes
- Total Time: 45-55 minutes
- Yield: 12 blondies 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Description
These Biscoff Blondies feature a luscious layer of creamy Lotus Biscoff spread sandwiched between rich, buttery blondie batter with a beautifully crinkly top. Made with just 9 simple ingredients and no mixer required, they offer a perfect balance of soft and chewy textures with optional crunchy Biscoff cookie pieces for extra flavor and crunch. Ideal for a sweet treat or dessert that’s easy to prepare and bake in one pan.
Ingredients
Blondie Batter
- ¾ cup (225 g) Lotus Biscoff Spread (or other Speculoos cookie butter spread brand)
- ¾ cup (158 g) butter, melted (regular or vegan)
- ¾ cup (150 g) light brown sugar
- ¾ cup (150 g) granulated sugar
- 2 eggs
- 1½ teaspoons vanilla extract
- 1½ cup (188 g) all-purpose flour
- ¾ teaspoons salt
Topping (Optional)
- 4–5 Lotus Biscoff cookies, roughly chopped
Instructions
- Prepare Biscoff Layer: Cut parchment paper to fit an 8×8 square baking pan, leaving some edges hanging. Place it inside the pan to fold creases matching the pan shape. Remove parchment and lay it on a flat surface. Spread the Lotus Biscoff spread evenly in the shape of the pan on the parchment and freeze until firm.
- Preheat Oven and Line Pan: Preheat oven to 350°F (175°C). Line an 8×8 baking pan with parchment paper allowing some overhang for easy removal later.
- Mix Butter and Sugars: Melt butter in microwave or on stovetop. Transfer to a medium bowl and whisk in brown and granulated sugars until mixture resembles a paste pulling away from the bowl sides.
- Add Eggs and Vanilla: Whisk in eggs and vanilla extract until combined.
- Incorporate Dry Ingredients: Add flour and salt, whisk gently until just combined to avoid overmixing.
- Assemble Blondies: Pour half the batter into the prepared pan. Remove frozen Biscoff layer from freezer and peel off parchment carefully, then place on top of batter. Pour remaining batter over the Biscoff layer and smooth evenly.
- Add Crunch (Optional): Sprinkle roughly chopped Biscoff cookies over the top for added texture and flavor.
- Bake: Bake for 30-40 minutes. Check doneness at 30 minutes with a toothpick; blondies are ready when the top is crinkly and toothpick comes out with a few moist crumbs but no wet batter.
- Cool and Serve: Let blondies cool completely in the pan before lifting out using parchment overhang and slicing. Enjoy your rich, layered Biscoff blondies!
Notes
- Measuring Flour: For best results, measure flour accurately using a kitchen scale or the scoop and level method to avoid dense blondies.
- Do not overmix batter to keep blondies tender.
- If the Biscoff spread layer is too soft when peeling from parchment, return it to freezer for another 5 minutes.
- Optional crushed Biscoff cookies on top add extra crunch and intensified flavor.
- Butter can be substituted with vegan butter to keep recipe vegan-friendly.

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