The moment I caught a whiff of melted brown butter cascading through my kitchen, I knew something special was about to emerge from the oven. These Brown Butter Biscoff Blondies are not just a treat; they are a delightful escape from ordinary desserts, offering a chewy texture and the perfect balance of sweet and spiced. What makes them even more irresistible is that you can whip them up in just one bowl, making cleanup a breeze. In under 30 minutes, you’ll have a batch of gooey blondies with luscious pools of chocolate and crunchy bits of Biscoff cookies, perfect for satisfying those sweet cravings. Trust me, once you taste these blondies, you won’t want to go back to store-bought indulgences. Ready to turn your afternoon into something delicious? Let’s dive in!
Why are Brown Butter Biscoff Blondies a must-try?
Simplicity at Its Best: With just one bowl and under 30 minutes, these blondies are perfect for anyone craving something sweet without the fuss.
Irresistible Flavor: The rich, nutty notes of brown butter combined with the unique spiced flavor of Biscoff create a heavenly taste experience.
Crowd-Pleasing Treat: Whether you’re hosting friends or just indulging yourself, these blondies are sure to impress everyone.
Versatile Enjoyment: Pair them with a scoop of vanilla ice cream for a decadent dessert, or enjoy them alone for a sweet pick-me-up.
Quick Cleanup: You’ll love how easy they are to prepare and clean up, leaving you more time to enjoy every delicious bite!
If you enjoy decadent flavors, you may also want to try out our Cider Pumpkin Butter or a comforting slice of Crockpot Butter Chicken for those cozy evenings in!
Brown Butter Biscoff Blondies Ingredients
For the Blondie Batter:
• Unsalted Butter – Essential for richness; the browning enhances the nutty flavor.
• Brown Sugar – Adds moisture and deep caramel notes; can be swapped with coconut sugar for a twist.
• Egg – The main structure builder; for best results, bring to room temperature before mixing.
• Egg Yolk – Increases richness and moisture; essential for that chewy texture.
• Biscoff Spread – Key to the distinctive flavor and creamy texture; substitute with cookie butter if needed.
• Kosher Salt – Balances the sweetness and elevates flavors; always incorporate for best taste.
• All-Purpose Flour – Provides the necessary structure; gluten-free? Use a 1:1 blend for best results.
• Chopped Dark Chocolate (60-70% semi-sweet) – Introduces rich chocolate bursts; feel free to mix varieties for complexity.
For the Topping:
• Biscoff Cookies – Adds delightful crunch and extra flavor; it’s optional but highly recommended for that extra texture!
Now that you know the key components, you’re one step closer to indulging in these incredible Brown Butter Biscoff Blondies. Let’s get started on creating this delicious treat!
Step‑by‑Step Instructions for Brown Butter Biscoff Blondies
Step 1: Preheat the Oven and Prepare the Pan
Begin by preheating your oven to 350°F (175°C). While it warms up, line an 8×8 inch baking dish with parchment paper, allowing the edges to hang over for easy removal later. This simple step sets the stage for your delicious Brown Butter Biscoff Blondies, ensuring a perfectly baked treat that won’t stick.
Step 2: Brown the Butter
In a medium saucepan, melt ½ cup of unsalted butter over medium heat. Stir constantly for about 6-10 minutes until the butter foams and transforms into a deep golden hue, emitting a rich, nutty aroma. This browning process enhances the flavor of your blondies, providing that magical foundation that makes them irresistibly decadent.
Step 3: Combine Brown Sugar and Brown Butter
Once your butter has browned, remove it from the heat and allow it to cool slightly. In a mixing bowl, combine the warm brown butter with 1 cup of packed brown sugar, stirring until fully integrated. The heat from the butter will help dissolve the sugar, creating a smooth, glossy base for your Brown Butter Biscoff Blondies.
Step 4: Mix in the Eggs and Biscoff Spread
Add 1 large egg, 1 egg yolk, and ½ cup of Biscoff spread to the mixture, stirring until everything is smooth and creamy. The egg yolk will enhance the richness, while the Biscoff spread infuses the batter with its characteristic spiced flavor. This combination creates a luscious blend that forms the heart of your blondies.
Step 5: Fold in the Dry Ingredients
Sprinkle ¼ teaspoon of kosher salt and 1 cup of all-purpose flour into the mixture. Gently fold until everything is just combined, being careful not to overmix. The goal is to maintain that tender, chewy texture in your Brown Butter Biscoff Blondies, so stop as soon as no flour streaks remain.
Step 6: Add Chocolate and Bake
Now, fold in ½ cup of chopped dark chocolate for delightful bursts of richness. Pour the batter into your prepared baking pan, spreading it evenly. If desired, top with additional chocolate pieces and crushed Biscoff cookies for an extra crunch. Bake in the preheated oven for 20-25 minutes until the edges are set but the center remains slightly gooey.
Step 7: Cool and Slice
Once baked, remove your Brown Butter Biscoff Blondies from the oven and allow them to cool in the pan for at least a couple of hours. This cooling period is crucial for them to firm up and reach their ultimate chewy texture. Once cooled, lift the blondies out of the pan using the parchment overhang and slice into squares to serve.
What to Serve with Brown Butter Biscoff Blondies
Indulging in a batch of warm, chewy blondies is a sweet treat experience you won’t want to miss. These pairings will elevate your dessert moments even further!
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Vanilla Ice Cream: The creamy, cool richness contrasts beautifully with the warm blondies, creating a delightful harmony of textures.
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Espresso or Coffee: A bold cup of coffee complements the sweetness and enhances the flavors, making it a perfect afternoon pick-me-up.
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Whipped Cream: Light and airy whipped cream drizzled with caramel sauce provides a luxe touch, adding lightness to the chewy blondies.
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Chocolate Ganache: Drizzling warm chocolate ganache on top creates an irresistible chocolate experience, perfect for those extra chocolate cravings.
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Biscoff Spread Dip: Serve alongside a small dish of Biscoff spread for an extra layer of indulgence, allowing you to dip each bite!
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Fresh Berries: Juicy raspberries or strawberries add a refreshing contrast to the richness of the blondies, bringing a burst of color and flavor to your plate.
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Nutty Latte: A comforting nut-flavored latte, like hazelnut or almond, pairs perfectly with the caramel notes of the blondies, enhancing the overall experience.
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Orange Zest Garnish: A sprinkle of orange zest brightens every bite, infusing a citrus note that beautifully harmonizes with the spice of Biscoff cookies.
These pairings will turn your dessert into a memorable moment, making every bite feel like a hug from the inside. Enjoy!
Brown Butter Biscoff Blondies Variations
Feel free to get creative with these Brown Butter Biscoff Blondies by adding your personal touch or dietary preferences!
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Nutty Twist: Mix in ½ cup of chopped walnuts or pecans for a delightful crunch and added healthy fats. The nutty flavor complements the brown butter beautifully.
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Chocolate Lovers: Enhance the chocolatey goodness by using a mix of dark and white chocolate chunks. This creates a beautiful contrast and a sweetness that chocolate enthusiasts will adore.
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Spicy Kick: Add a teaspoon of cinnamon or a pinch of nutmeg to the batter for a warm, spiced flavor. This twist provides a cozy aroma perfect for chilly days.
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Fragrant Essence: A splash of vanilla extract can brighten up the overall flavor profile. This simple addition enhances the overall sweetness and aromatic experience.
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Cookie Dough Swirls: Drop spoonfuls of cookie dough in the blondie batter before baking to create luscious, gooey pockets of surprise. It’s a fun treat if you’re a fan of dual textures!
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Biscoff Cookie Crust: Crush Biscoff cookies and use them to line the bottom of your baking dish for an even more decadent base. This adds extra crunch and flavor from the very first bite.
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Coconut Bliss: Fold in shredded coconut for delightful chewy texture and a tropical hint. This pairs wonderfully with the spiced notes from the Biscoff.
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Seasonal Flair: For a fall-inspired version, incorporate pumpkin puree and spices, similar to flavors found in a Cider Pumpkin Butter. It’s a cozy upgrade for autumn gatherings!
Each of these variations brings something special, so choose one or mix and match! If you’re eager for more baking ideas, consider checking out our delightful Almond Croissant Blondies for your next kitchen adventure!
Expert Tips for Brown Butter Biscoff Blondies
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Butter Browning: Take your time with browning the butter; it should be golden with a nutty aroma. Burnt butter can make your blondies taste bitter.
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Room Temperature Eggs: For the best texture, use room temperature eggs. This helps to create a smoother batter, enhancing the final chewy quality of your blondies.
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Don’t Overmix: Once you add the flour, fold gently until just combined. Overmixing can lead to tough blondies instead of the desired chewy texture.
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Check for Doneness: Start checking your blondies around 20 minutes. They should be set at the edges but still soft in the center; they will firm up as they cool.
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Parchment Paper Trick: Line your baking pan with parchment paper, allowing some to hang over the sides for easy lifting. This makes cutting and serving your Brown Butter Biscoff Blondies a breeze!
How to Store and Freeze Brown Butter Biscoff Blondies
Room Temperature: Store your blondies in an airtight container at room temperature for up to 4-5 days to maintain freshness and chewy texture.
Fridge: For extended freshness, refrigerate the blondies in an airtight container for up to a week. They may firm up slightly, so warm them before serving.
Freezer: To freeze, wrap individual blondies tightly in plastic wrap and place them in a freezer-safe bag. They can be stored for up to 3 months; simply thaw before enjoying.
Reheating: To enjoy warm, microwave a blondie for about 10-15 seconds or until heated through, bringing back their gooey goodness!
Make Ahead Options
These Brown Butter Biscoff Blondies are a fantastic recipe for busy home cooks looking to save time without compromising on flavor. You can prepare the batter up to 24 hours in advance; simply mix everything except the chopped chocolate and Biscoff cookies, storing it in an airtight container in the refrigerator to prevent drying out. This way, the flavors can meld beautifully! When you’re ready to bake, let the batter sit at room temperature for about 30 minutes, then fold in the chocolate and proceed with baking as instructed. This method ensures you have freshly baked blondies with minimal effort and just as delicious results!
Brown Butter Biscoff Blondies Recipe FAQs
What kind of butter should I use for the best flavor?
Absolutely! For the richest flavor in your Brown Butter Biscoff Blondies, I recommend using unsalted butter. This allows you to control the salt levels accurately, enhancing the overall taste. When browning the butter, keep an eye on it; the goal is a deep golden color and a nutty aroma, which will elevate the flavors in your blondies.
How should I store my Biscoff blondies for the best texture?
To keep your blondies delicious and chewy, store them in an airtight container at room temperature for about 4-5 days. If you want to prolong their freshness, refrigerate them for up to a week. Just note that they might firm up a bit in the fridge, so I suggest giving them a quick warm-up before enjoying!
Can I freeze Brown Butter Biscoff Blondies?
Definitely! To freeze your blondies, wrap each one tightly in plastic wrap, then place them in a freezer-safe bag. They can be stored for up to 3 months. When you’re ready to enjoy them, simply thaw them at room temperature or pop them in the microwave for about 10-15 seconds to revive their gooey deliciousness.
How do I know when my blondies are done baking?
Great question! To ensure your Brown Butter Biscoff Blondies don’t overbake, start checking for doneness at around 20 minutes. They’re ready when the edges are set, but the center remains slightly gooey. A toothpick inserted into the center should come out with a few moist crumbs. They will continue to firm up as they cool, giving you that perfect chewy texture!
Are these blondies safe for people with nut allergies?
While Biscoff spread is generally safe for those with nut allergies, always ensure there are no cross-contamination risks from the specific brand you choose. If you’re making these for someone with a nut allergy, you might want to avoid using any nut butters or spreads as substitutes. Enjoying these thoughtfully crafted treats can still be delightful and safe for everyone!

Brown Butter Biscoff Blondies: Irresistibly Chewy and Rich
Ingredients
Equipment
Method
- Preheat your oven to 350°F (175°C) and line an 8x8 inch baking dish with parchment paper.
- Melt 1/2 cup of unsalted butter in a medium saucepan over medium heat, stirring constantly for 6-10 minutes until golden and nutty.
- Remove from heat and allow to cool slightly. Combine warm brown butter with 1 cup of brown sugar until smooth.
- Stir in 1 egg, 1 egg yolk, and 1/2 cup of Biscoff spread until smooth.
- Fold in 1/4 teaspoon kosher salt and 1 cup of flour until just combined.
- Add 1/2 cup of chopped dark chocolate, pour the batter into the pan, and bake for 20-25 minutes until edges are set.
- Allow to cool for at least 2 hours in the pan before lifting out and slicing.
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