Biscoff Blondies Recipe
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If you adore cozy, buttery treats with a delightful hint of spice and caramel, then you are going to fall head over heels for these Biscoff Blondies. This decadent dessert brings together the rich, creamy notes of Biscoff cookie butter with chunks of crunchy Biscoff cookies and luscious white chocolate, creating an irresistible blend of flavors and textures that will have you reaching for seconds. Whether you’re baking for a special occasion or just craving an indulgent treat, these Biscoff Blondies promise to be the highlight of your day.

Ingredients You’ll Need
This recipe is pure magic in ingredient form, combining simple pantry staples with the uniquely flavorful Biscoff elements that make these blondies unforgettable. Each ingredient plays a crucial role in crafting the perfect moistness, sweetness, and balance of flavors you crave.
- Unsalted butter (½ cup, melted): Adds rich moisture and a tender crumb to the blondies.
- Granulated sugar (½ cup): Brings sweetness and helps create a slight crispness around the edges.
- Light brown sugar (¾ cup, packed): Infuses a deep caramel-like flavor and keeps the blondies chewy.
- Vanilla extract (2 teaspoons): Enhances the overall sweetness and rounds out the flavors beautifully.
- Large eggs (2): Bind the ingredients together and give structure to the blondies.
- Salt (¼ teaspoon): Balances sweetness and intensifies the other flavors.
- All-purpose flour (1 cup): Forms the base of the blondie batter, creating that classic cakey yet dense texture.
- Baking powder (½ teaspoon): Provides just the right lift to keep the blondies from becoming too dense.
- Biscoff cookies (10): Chopped into chunks for bursts of spiced crunch throughout the blondies.
- White chocolate bar (4 oz., roughly chopped): Adds a creamy, sweet counterpoint to the spice of the cookie pieces.
- Biscoff cookie butter (½ cup): The star ingredient, it delivers that signature smooth, caramelized flavor in a gooey layer inside the blondies.
How to Make Biscoff Blondies
Step 1: Prep and Combine the Base
Start by preheating your oven to 350°F and lining an 8×8 glass baking dish with parchment paper—this makes for an easy release after baking. Then, in a large bowl, whisk together the melted butter and both sugars until the mixture is smooth and glossy. This is the flavor powerhouse where sweetness and richness begin to meld beautifully.
Step 2: Add the Flavors and Eggs
Next, stir in the vanilla extract followed by the eggs one at a time. Whisk thoroughly to make sure everything is well combined. The eggs help provide the perfect structure while the vanilla brings aromatic depth that plays wonderfully with the Biscoff components.
Step 3: Mix Dry Ingredients Gently
It’s time to bring in the salt, flour, and baking powder. Stir them in just until you don’t see any streaks of flour, being careful not to overmix; this keeps your blondies tender and soft rather than tough.
Step 4: Fold in Biscoff Cookies and White Chocolate
Take your Biscoff cookies and roughly chop them into bite-sized chunks—texture here is key. Add these cookie pieces along with the chopped white chocolate into the batter, folding them gently to ensure delicious pockets of crunch and creamy sweetness throughout. You can hold back a few chunks and chocolate pieces to sprinkle on top for a stunning finish.
Step 5: Create the Signature Biscoff Layer
Pour half of your blondie batter into the lined pan, smoothing it out evenly. Then microwave the cookie butter for about 15 seconds until soft and pourable. Drizzle or spread this over the batter to form a luscious layer of caramelized goodness. Top it off with the remaining batter and press the reserved cookie and chocolate pieces gently on top to add extra texture and visual appeal.
Step 6: Bake and Cool
Pop your creation into the oven and bake for 35 to 40 minutes. You’re looking for a golden brown top and that a knife inserted in the center comes out clean or with a few moist crumbs clinging on. It’s important that the blondies are fully baked but still moist in the center to achieve that perfect gooey bite. Once done, let them cool completely before lifting from the pan and slicing into luscious bars.
How to Serve Biscoff Blondies

Garnishes
To elevate your Biscoff Blondies, consider sprinkling a dusting of powdered sugar or drizzling extra melted white chocolate over the top before serving. Fresh fruit like raspberries or a light sprinkle of flaky sea salt can also enhance the flavor contrast beautifully.
Side Dishes
These blondies pair wonderfully with a scoop of vanilla ice cream or a dollop of whipped cream for an extra indulgent treat. For something less sweet, a cup of strong coffee or chai tea complements the spiced cookie notes in the blondies perfectly.
Creative Ways to Present
Cut your Biscoff Blondies into bite-sized cubes and serve them on a skewer alongside fresh strawberries for a fun dessert kabob. Alternatively, layer crumbled blondies into parfait glasses with Greek yogurt and berries to transform them into a delightful layered dessert.
Make Ahead and Storage
Storing Leftovers
Once your blondies have cooled completely, place them in an airtight container at room temperature. They will stay fresh and moist for up to four days—perfect for enjoying throughout the week or sharing with friends and family.
Freezing
Biscoff Blondies freeze beautifully. Wrap individual bars tightly in plastic wrap, then store them in a freezer-safe container or bag. They can be frozen for up to three months without losing their fantastic flavor and texture.
Reheating
To warm up frozen or refrigerated blondies, pop them in the microwave for 15 to 20 seconds or warm them gently in a low oven. This will bring back that freshly baked softness and revive the luscious gooey textures you love so much.
FAQs
Can I use crunchy peanut butter instead of Biscoff cookie butter?
While crunchy peanut butter offers a different flavor profile, it won’t replicate the unique caramelized spice of Biscoff cookie butter. If you want a similar texture and sweetness, creamy peanut butter can be a substitute, but the result will have a distinct peanut taste.
What is the best way to chop the Biscoff cookies for the blondies?
For the best texture, use a sharp knife or even your hands to break the cookies into uneven chunks rather than finely crushing them. This allows the crunchy bits to shine through in larger, more satisfying bites within the blondies.
Can I make this recipe gluten-free?
To make Biscoff Blondies gluten-free, swap out the all-purpose flour for a gluten-free baking blend. Make sure your Biscoff cookies and cookie butter are gluten-free as well, as some brands may contain gluten or traces of it.
Why might my blondies come out dry?
Overbaking is the most common cause of dry blondies. Make sure to check for doneness around 35 minutes, and remove them as soon as a knife inserted in the center shows a few moist crumbs rather than wet batter. Also, avoid overmixing the batter which can develop gluten and dry them out.
Can I add nuts to this recipe?
Absolutely! Chopped pecans or walnuts make a fantastic addition to the texture and flavor. Fold about ½ cup into the batter along with the cookies and chocolate for added crunch and nuttiness.
Final Thoughts
There’s just something so comforting and exhilarating about biting into a bar of warm, chewy Biscoff Blondies that’s bursting with creamy white chocolate and those spicy cookie pieces. I truly believe this recipe is a must-have in your baking arsenal if you love a little sweetness with a lot of character. Try making them soon—you’ll be making these blondies your new go-to treat for good reason!
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PrintBiscoff Blondies Recipe
These Biscoff Blondies combine the rich, caramel flavor of Biscoff cookies and cookie butter with the creamy sweetness of white chocolate in a soft, chewy blondie. Perfectly baked to golden perfection, they make a delightful treat for cookie lovers and dessert enthusiasts alike.
- Prep Time: 15 minutes
- Cook Time: 35 minutes
- Total Time: 50 minutes
- Yield: 16 bars 1x
- Category: Dessert, Snack
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Ingredients
Wet Ingredients
- ½ cup unsalted butter, melted
- 2 teaspoons vanilla extract
- 2 large eggs
- ½ cup Biscoff cookie butter
Dry Ingredients
- ½ cup granulated sugar
- ¾ cup packed light brown sugar
- ¼ teaspoon salt
- 1 cup all-purpose flour
- ½ teaspoon baking powder
Add-ins
- 10 Biscoff cookies, broken into chunks
- 4 oz. bar of white chocolate, roughly chopped
Instructions
- Preheat and Prepare: Preheat the oven to 350°F (175°C). Line an 8×8 inch glass baking dish with parchment paper, ensuring some overhang for easy removal later.
- Mix Sugars and Butter: In a large mixing bowl, whisk together the melted unsalted butter, granulated sugar, and light brown sugar until smooth and combined.
- Add Eggs and Vanilla: Whisk in the vanilla extract and eggs until the mixture is fully incorporated and smooth.
- Combine Dry Ingredients: Add the salt, all-purpose flour, and baking powder to the wet mixture. Stir gently just until combined—avoid overmixing to keep the blondies tender.
- Incorporate Biscoff Cookies and White Chocolate: Fold in the chopped Biscoff cookie chunks and white chocolate pieces, reserving a few chunks to sprinkle on top if desired.
- Layer Batter and Cookie Butter: Spread half of the blondie batter evenly into the prepared baking dish. Microwave the Biscoff cookie butter for about 15 seconds until it becomes pourable, then drizzle it over the batter. Top with the remaining batter, spreading it evenly.
- Add Final Toppings: Press any reserved Biscoff cookie pieces and white chocolate chunks onto the surface of the blondie batter for an appealing finish.
- Bake: Bake in the oven for 35-40 minutes until the top is golden brown and a knife inserted in the center comes out clean or with just a few moist crumbs attached. The center should not appear wet or runny.
- Cool and Serve: Allow the blondies to cool completely in the baking dish. Once cooled, lift them out using the parchment paper overhang, cut into bars, and serve.
Notes
- For a gluten-free version, substitute the all-purpose flour with a gluten-free flour blend.
- Ensure the Biscoff cookie butter is warm and pourable to create distinct layers.
- Don’t overbake to keep the blondies moist and chewy.
- You can add nuts such as chopped pecans or walnuts for added texture if desired.
- Store blondies in an airtight container at room temperature for up to 3 days or refrigerate for up to a week.
Nutrition
- Serving Size: 1 bar (approx. 2×2 inches)
- Calories: 280 kcal
- Sugar: 22 g
- Sodium: 85 mg
- Fat: 15 g
- Saturated Fat: 8 g
- Unsaturated Fat: 6 g
- Trans Fat: 0 g
- Carbohydrates: 33 g
- Fiber: 1 g
- Protein: 3 g
- Cholesterol: 45 mg
Keywords: Biscoff blondies, blondie recipe, Biscoff cookie butter, white chocolate blondies, easy dessert, cookie bars