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Biscoff Blondies Chewy Cookie Butter Dessert Bars to Indulge

Published: Jan 29, 2026 by Sierra Lane · This post may contain affiliate links · Leave a Comment

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As I stood in my kitchen, the warm aroma of melted butter and brown sugar wafting through the air, I couldn’t help but feel a little spark of magic. This is the blissful experience you’ll enjoy when whipping up these Biscoff Blondies Chewy Cookie Butter Dessert Bars. Not only are they incredibly easy to make with just 15 minutes of prep, but they also come packed with a delightful cookie butter twist that takes the classic blondie to new heights. The chewy texture and rich flavor will have your friends and family clamoring for seconds, while you secretly revel in knowing how simple they were to create. With just the right hint of sea salt sprinkled on top, these dessert bars balance sweetness and savory perfection. Are you ready to dive into the world of baking bliss and treat yourself to these incredible bars?

Biscoff Blondies Chewy Cookie Butter Dessert Bars

Why are Biscoff Blondies a must-try?

Irresistible Flavor: The unique blend of Biscoff cookie butter and crushed cookies transforms a classic dessert into something extraordinary.

Quick and Easy: With just 15 minutes of prep time, you can whip up these dreamy blondies, making them a perfect choice for busy bakers.

Chewy Delight: Each bite is a heavenly combination of a gooey center and a slightly crisp top, ensuring you'll savor every moment.

Versatile Serving: Whether for a casual get-together or a fancy potluck, these blondies will win over any crowd. Perfect alongside a cup of coffee or tea!

Don't forget to check out my other dessert recipes like Chocolate Chip Cookies for more sweet inspiration.

Biscoff Blondies Chewy Cookie Butter Dessert Bars Ingredients

For the Batter

  • Unsalted butter – Melted butter gives these blondies their rich flavor and tender texture.
  • Brown sugar – Packed brown sugar adds moisture and a hint of caramel sweetness, making them irresistibly chewy.
  • Granulated sugar – Balances the richness of the brown sugar while enhancing the overall sweetness.
  • Large eggs – Provides structure and helps bind the ingredients for a lovely texture.
  • Vanilla extract – The warm notes of vanilla elevate the flavor profile beautifully.
  • All-purpose flour – This classic ingredient is essential for creating the right base for the blondies.
  • Baking powder – Ensures your blondies rise perfectly with a soft, chewy center.
  • Baking soda – Helps achieve a nice lift while contributing to a tender crumb.
  • Salt – Just a touch enhances the flavors and balances the sweetness.
  • Biscoff cookie butter – The star ingredient that makes your Biscoff blondies truly indulgent and flavorful.
  • Crushed Biscoff cookies – Offers delightful texture and an extra boost of that beloved cookie flavor.

For Topping

  • Extra crushed Biscoff cookies – Sprinkle on top for added crunch and visual appeal.
  • Sea salt – A final touch of sea salt after baking brings out the sweetness and adds a gourmet flair.

Step‑by‑Step Instructions for Biscoff Blondies Chewy Cookie Butter Dessert Bars

Step 1: Preheat and Prepare
Begin by preheating your oven to 350°F (175°C). While it warms up, grease a 9x13 inch baking pan or line it with parchment paper, allowing some overhang for easy removal later. This little preparation ensures your Biscoff Blondies will come out easily after baking.

Step 2: Mix the Sugars and Butter
In a large mixing bowl, combine the melted unsalted butter, packed brown sugar, and granulated sugar. Using a whisk, blend these ingredients until they form a smooth, cohesive mixture, about 1-2 minutes. This step creates the base for your chewy blondies, infusing them with sweetness and flavor.

Step 3: Incorporate the Eggs and Vanilla
Next, add two large eggs to your sugar mixture, one at a time, whisking vigorously after each addition until fully incorporated. Stir in a tablespoon of vanilla extract. This process will not only enrich the flavor but also help to build a lovely texture in your Biscoff Blondies.

Step 4: Combine Dry Ingredients
In a separate bowl, whisk together 2 cups of all-purpose flour, 1 teaspoon of baking powder, ½ teaspoon of baking soda, and ¼ teaspoon of salt. Make sure the dry ingredients are well mixed, which will ensure even rising and flavor distribution throughout your dessert bars.

Step 5: Mix Wet and Dry Ingredients
Gradually fold the dry ingredients into the wet ingredients using a spatula or wooden spoon. Mix until just combined; avoid overmixing to retain that tender, chewy texture. Your batter for the Biscoff Blondies should look thick and slightly gooey at this point.

Step 6: Add the Cookie Butter
Gently fold in 1 cup of Biscoff cookie butter, ensuring the batter becomes smooth and creamy. You may leave a few swirls of cookie butter for a delightful marbling effect. The addition of cookie butter will elevate your blondies to a new level of decadent flavor.

Step 7: Incorporate Crushed Cookies
Fold in ½ cup of crushed Biscoff cookies, saving a small handful for topping later. These crushed cookies will add texture and a delightful crunch to your chewy bars, making each bite extra special. Ensure they are evenly distributed throughout the batter.

Step 8: Pour and Spread the Batter
Pour the batter into your prepared baking pan, using a spatula to spread it into an even layer. Sprinkle the reserved crushed Biscoff cookies generously on top, allowing them to bake into the surface for an additional treat. This sets the stage for a visually appealing blondie.

Step 9: Bake to Perfection
Place the baking pan in your preheated oven and bake for 25-30 minutes. Keep a close eye on them; your Biscoff Blondies are ready once a toothpick inserted in the center comes out mostly clean with just a few moist crumbs. This is key to achieving that chewy texture.

Step 10: Add the Finishing Touch
Once baked, remove the blondies from the oven and immediately sprinkle a pinch of sea salt over the top while they are still warm. This touch will enhance the sweet flavors and give your Biscoff Blondies a gourmet finish that is simply irresistible.

Step 11: Cool and Serve
Allow the blondies to cool in the pan for about 15 minutes. Using the overhanging parchment paper, lift them out and place them on a wire rack to cool completely. Once cooled, cut into squares and get ready to indulge in these delightful dessert bars!

Biscoff Blondies Chewy Cookie Butter Dessert Bars

How to Store and Freeze Biscoff Blondies

Room Temperature: Keep your Biscoff Blondies in an airtight container at room temperature for up to 3 days. This will keep them chewy and delicious!

Fridge: If you prefer to extend their freshness, store the blondies in the refrigerator in an airtight container for up to a week. Just remember to let them come to room temperature before enjoying!

Freezer: To freeze, wrap individual blondie squares tightly in plastic wrap and store them in a freezer-safe bag for up to 3 months. Thaw at room temperature before indulging!

Reheating: To enjoy a warm treat, reheat the blondies in the microwave for about 15-20 seconds. This will bring back their delightful, gooey texture!

Biscoff Blondies Chewy Cookie Butter Dessert Bars Variations

Feel free to get creative with these Biscoff Blondies and let your taste buds lead the way as you try new twists!

  • Nutty Blend: Add ½ cup of chopped walnuts or pecans for a crunchy texture and rich flavor contrast.

  • Dairy-Free: Substitute the butter with a dairy-free alternative like coconut oil or vegan butter to accommodate dietary needs.

  • Spiced Up: Incorporate 1 teaspoon of cinnamon or a pinch of nutmeg to warm up the flavor profile and enhance the cozy vibes.

  • Chocolate Lovers: Fold in ½ cup of chocolate chips for a delightful chocolatey twist. The blend of Biscoff and chocolate is truly indulgent!

  • Gluten-Free: Swap out the all-purpose flour with a 1:1 gluten-free baking blend for a delicious and safe option for gluten-sensitive friends.

  • Chilled Treat: After baking, allow the blondies to cool completely, then chill them in the fridge for a firmer, fudgy texture. Perfect for those hot summer days!

  • Candy Crush: Top the blondies with crushed candy bars like Snickers or Reese's for a decadent treat that's bursting with flavor.

These variations will make each batch unique, so don't forget to check out my other recipes like Chocolate Chip Cookies or Peanut Butter Bars to keep your baking adventures exciting!

Expert Tips for Biscoff Blondies

Use Room Temperature Eggs: Make sure your eggs are at room temperature for better incorporation; this leads to a smoother batter in your Biscoff Blondies.

Don’t Overmix: Mix your wet and dry ingredients until just combined to maintain that perfect chewy texture—overmixing can lead to tough blondies.

Check for Doneness: Insert a toothpick into the center; it should come out mostly clean with a few moist crumbs. This ensures the blondies remain chewy and not overbaked.

Let Them Cool: Allow the blondies to cool completely before cutting into squares; this helps them set and gives you cleaner cuts.

Add Sea Salt Sparingly: A little sprinkle of sea salt after baking enhances sweetness beautifully; just be careful not to overdo it!

Make Ahead Options

These Biscoff Blondies Chewy Cookie Butter Dessert Bars are perfect for meal prep, allowing you to save time and effort on busy weeknights. You can prepare the batter up to 24 hours in advance; simply mix the wet and dry ingredients together, then store the batter in an airtight container in the refrigerator. To maintain their quality, make sure to cover the container tightly to prevent drying out. When you're ready to bake, just pour the chilled batter into your prepared pan, add the crushed cookies on top, and bake as directed. You'll have freshly baked blondies that are just as delicious as if you made them on the spot!

What to Serve with Biscoff Blondies Chewy Cookie Butter Dessert Bars

Craving a delightful spread to complement your sweet treat? Here are some scrumptious pairing ideas to elevate your dessert experience.

  • Creamy Vanilla Ice Cream: The cool creaminess of vanilla ice cream pairs beautifully with the chewy, rich flavor of the blondies.
  • Chocolate Sauce Drizzle: A warm drizzle of chocolate sauce adds a decadent touch, enhancing the delightful cookie butter flavor.
  • Fresh Berries: Bright, juicy berries provide a burst of freshness that beautifully contrasts the sweetness of the blondies.
  • Coconut Whipped Cream: Light and airy, this topping brings a tropical twist that harmonizes well with the caramel undertones of the dessert.

Imagine enjoying a warm Biscoff Blondie with a scoop of creamy vanilla ice cream melting into every crevice. Each bite embraces a delightful interplay of flavors and temperatures, making your dessert truly memorable.

  • Coffee or Espresso: The rich body and slight bitterness of coffee complement the sweetness, creating a perfect afternoon pick-me-up.
  • Mint Tea: A refreshing cup of mint tea cleanses the palate and balances the richness of the blondies, perfect for a cozy gathering.
  • Caramel Sauce: A drizzle of caramel brings an additional layer of sweetness and sophistication, creating a gourmet dessert experience.

Pairing these elements with your Biscoff Blondies Chewy Cookie Butter Dessert Bars will make for an indulgent and satisfying treat, perfect for any occasion.

Biscoff Blondies Chewy Cookie Butter Dessert Bars

Biscoff Blondies Chewy Cookie Butter Dessert Bars Recipe FAQs

What kind of Biscoff cookie butter should I use?
Absolutely! I recommend using smooth Biscoff cookie butter for a creamy texture that blends seamlessly into the batter. If you prefer a bit of crunch, go for the crunchy version to add delightful texture. Either way, you’ll enjoy that signature caramelized flavor that makes these blondies so special.

How long can I store leftover Biscoff Blondies?
You can store your Biscoff Blondies in an airtight container at room temperature for up to 3 days. For even longer freshness, keep them in the fridge where they’ll last around a week. Just remember to let them warm up at room temperature before indulging—this way, they’ll retain their irresistible, chewy consistency!

Can I freeze Biscoff Blondies?
Definitely! To freeze your Biscoff Blondies, wrap individual squares tightly in plastic wrap, then place them in a freezer-safe bag. They can be kept frozen for up to 3 months. When you're ready to enjoy, simply thaw them at room temperature or pop them in the microwave for about 15-20 seconds to rejuvenate their gooey texture.

What should I do if my blondies turn out too dry?
If your Biscoff Blondies turn out drier than expected, it’s likely due to overbaking. Make sure to check for doneness at the 25-minute mark; they should be golden on top but still slightly soft in the center. If they come out too dry, serve them with a scoop of vanilla ice cream or drizzle with chocolate sauce to bring back some moisture!

Are Biscoff Blondies suitable for those with nut allergies?
Great question! Biscoff cookies and cookie butter are typically nut-free, making these blondies a good option for many with nut allergies. However, always double-check the labels to ensure there are no cross-contamination concerns. It’s always wise to verify the ingredients used in cookie butter to ensure safety!

Biscoff Blondies Chewy Cookie Butter Dessert Bars

Biscoff Blondies Chewy Cookie Butter Dessert Bars to Indulge

Indulge in these Biscoff Blondies Chewy Cookie Butter Dessert Bars, an easy and delicious dessert full of flavor.
Print Recipe Pin Recipe
Prep Time 15 minutes mins
Cook Time 30 minutes mins
Cooling Time 15 minutes mins
Total Time 1 hour hr
Course Desserts
Cuisine American
Servings 16 bars
Calories 210 kcal

Equipment

  • 9x13-inch baking pan
  • mixing bowl
  • whisk
  • spatula

Ingredients
  

For the Batter

  • 1 cup Unsalted butter Melted
  • 1 cup Brown sugar Packed
  • ½ cup Granulated sugar
  • 2 large Eggs
  • 1 tablespoon Vanilla extract
  • 2 cups All-purpose flour
  • 1 teaspoon Baking powder
  • ½ teaspoon Baking soda
  • ¼ teaspoon Salt
  • 1 cup Biscoff cookie butter
  • ½ cup Crushed Biscoff cookies

For Topping

  • ¼ cup Extra crushed Biscoff cookies
  • 1 teaspoon Sea salt Sprinkled on top

Instructions
 

Instructions

  • Preheat your oven to 350°F (175°C) and grease a 9x13 inch baking pan or line it with parchment paper.
  • In a large mixing bowl, combine melted unsalted butter, packed brown sugar, and granulated sugar, whisking until smooth.
  • Add two large eggs, one at a time, whisking after each addition. Stir in vanilla extract.
  • In a separate bowl, whisk together flour, baking powder, baking soda, and salt.
  • Fold the dry ingredients into the wet ingredients until just combined.
  • Gently fold in Biscoff cookie butter until smooth, leaving some swirls for marbling if desired.
  • Fold in crushed Biscoff cookies and reserve some for topping.
  • Pour the batter into the prepared baking pan and spread evenly. Sprinkle reserved crushed cookies on top.
  • Bake for 25-30 minutes until a toothpick comes out mostly clean with a few moist crumbs.
  • Sprinkle sea salt on top while warm and allow to cool for 15 minutes before transferring to a wire rack.
  • Cut into squares and enjoy.

Notes

Use room temperature eggs for smoother batter. Don't overmix to maintain chewiness. Allow blondies to cool completely before cutting for cleaner squares.

Nutrition

Serving: 1barCalories: 210kcalCarbohydrates: 30gProtein: 2gFat: 10gSaturated Fat: 6gPolyunsaturated Fat: 1gMonounsaturated Fat: 3gCholesterol: 35mgSodium: 150mgPotassium: 120mgFiber: 1gSugar: 17gVitamin A: 400IUCalcium: 30mgIron: 1mg
Keyword Biscoff, Blondies, Cookie Butter, dessert bars, easy baking
Tried this recipe?Let us know how it was!

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About Sierra Lane

Season-obsessed cook sharing quick, produce-packed recipes for everyday meals—straight from my farmers’ market basket to your table.

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