Biscoff Blondies

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Soft, chewy, and swirled with Biscoff cookie butter, these Biscoff Blondies are the ultimate indulgent treat. Every bite is a harmony of warm caramelized flavor and fudgy richness, with pockets of melted cookie butter and a slight crunch from crushed Lotus Biscoff cookies on top. Whether you’re baking for a party or just a cozy night in, these blondies will steal the show.

Perfectly golden and gooey in the center with a soft bite and rich flavor, they taste like your favorite cookie butter cookie turned into a dense, buttery bar. No mixer needed, just a bowl and a whisk, making this one of the easiest desserts to whip up when you’re short on time but craving something incredibly satisfying.

Why You’ll Love This Biscoff Blondies Recipe

• Packed with deep caramel notes from Biscoff spread
• One-bowl and no-mixer required
• Dense, fudgy center with a golden top
• Ready in under 40 minutes
• Perfect for potlucks, bake sales, or snack cravings

Can I Use Crunchy or Smooth Biscoff Spread?

Either works beautifully! Smooth Biscoff spread gives a silky swirl throughout the batter while crunchy adds a delightful texture. You can even mix the two or drizzle extra melted spread on top for an irresistible finish.

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Ingredients for the Biscoff Blondies

Each ingredient plays an important role in making these blondies chewy, flavorful, and perfectly textured.

• 1/2 cup unsalted butter, melted – Gives richness and keeps the blondies moist.
• 1 cup light brown sugar – Adds deep molasses-like sweetness and chewiness.
• 1 large egg – Binds the ingredients together while adding tenderness.
• 2 tsp vanilla extract – Enhances the caramel and cookie butter flavors.
• 1/2 cup Biscoff cookie butter (plus 1/4 cup for swirling) – The star ingredient; sweet, spiced, and luscious.
• 1 cup all-purpose flour – Forms the structure of the blondies.
• 1/4 tsp salt – Balances sweetness.
• 1/2 tsp baking powder – Adds a slight lift without making them cakey.
• 1/2 cup crushed Biscoff cookies – Adds crunch and a signature look.

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How To Make the Biscoff Blondies

Step 1: Prepare the Pan

Preheat your oven to 350°F (175°C). Line an 8×8-inch baking dish with parchment paper, leaving an overhang for easy removal.

Step 2: Mix the Wet Ingredients

In a large bowl, whisk together the melted butter and brown sugar until smooth. Add in the egg and vanilla extract, whisking until fully combined. Then stir in the 1/2 cup of Biscoff cookie butter.

Step 3: Add the Dry Ingredients

Gently fold in the flour, salt, and baking powder just until combined. Do not overmix to keep the blondies tender.

Step 4: Pour and Swirl

Spread the batter evenly into the prepared pan. Dollop the remaining 1/4 cup of Biscoff spread on top and swirl it with a knife or skewer for a marbled effect. Sprinkle crushed Biscoff cookies over the top.

Step 5: Bake

Bake for 25-28 minutes, or until the edges are golden and a toothpick inserted in the center comes out with moist crumbs (not wet batter).

Step 6: Cool and Slice

Allow to cool in the pan for 15 minutes before lifting out and transferring to a wire rack. Cool completely before slicing into 16 squares.

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Serving and Storing These Blondies

This recipe makes 16 blondies, ideal for feeding 8 to 10 people.

Serve them slightly warm with a scoop of vanilla ice cream or just as-is with a cup of coffee. Store leftover blondies in an airtight container at room temperature for up to 4 days, or refrigerate for up to a week. They also freeze beautifully for up to 3 months – just thaw at room temperature before serving.

What to Serve With Biscoff Blondies?

A Scoop of Vanilla Bean Ice Cream

Melts into the warm blondies for a perfect dessert duo.

Fresh Berries

Raspberries or strawberries offer a tart contrast to the sweetness.

Caramel Drizzle

Enhance the richness with an extra layer of gooey caramel.

Whipped Cream

Lightens up the dense texture for a balanced bite.

Espresso or Latte

Pairs perfectly with the warm spices in the blondies.

Hot Chocolate

Especially during colder months, this is an indulgent combo.

Apple Slices

Fresh and crisp, they provide a nice crunch on the side.

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Frequently Asked Questions

Can I double this recipe?

Yes! Simply double all the ingredients and bake in a 9×13-inch pan for about 30-35 minutes. Keep an eye on the center to avoid overbaking.

How do I get perfect swirls on top?

Use a spoon to dollop small amounts of Biscoff on top and swirl with a skewer or toothpick. Don’t overdo it—less is more for a defined marbled look.

Can I use other cookie butters?

Absolutely! Trader Joe’s Cookie Butter works similarly. The flavor may slightly vary but the texture will stay the same.

Are these gluten-free?

Not as written, but you can substitute a 1:1 gluten-free baking flour. Just be sure it’s one that includes xanthan gum.

Can I freeze these blondies?

Yes! Wrap individual blondies in plastic and place them in a freezer-safe bag. They keep for up to 3 months.

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📌 Save this recipe to your Pinterest dessert board so you can come back to it any time.
And let me know in the comments how yours turned out. Did you add liqueur or leave it out? Did you try chocolate on top?
I love hearing how others make these recipes their own. Questions are welcome too, let’s help each other bake smarter.

Find more quick sweets and dessert ideas on Life With Rosa!

Conclusion

Biscoff Blondies are everything you love about cookie butter in fudgy, golden bar form. They’re easy to make, rich in flavor, and irresistibly soft in every bite. Whether for a gathering, gifting, or just your sweet tooth calling, this dessert is one to keep on repeat.

Want more cozy, crave-worthy desserts? Don’t miss our favorites like S’mores Cookie Bars, Peanut Butter Icing, or Heaven in a Bowl.

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