Gooey Biscoff Blondies – A Sweet Treat You’ll Bake Again and Again

These Biscoff Blondies are everything you love about blondies — chewy, gooey, and buttery — elevated with the warm, caramelized spice of Biscoff cookies and creamy cookie butter. Each bite melts in your mouth with a sweet balance of brown sugar, cinnamon, and that unmistakable Biscoff flavor.

Perfect for dessert trays, bake sales, or an afternoon coffee treat, these blondies are a guaranteed crowd-pleaser. And the best part? They come together in under 40 minutes — no mixer required!

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Ingredients Overview: What You’ll Need

Core Ingredients:

• Unsalted Butter – The rich base for your blondies, adding that melt-in-your-mouth texture.

• Biscoff Cookie Butter – The star ingredient, adding a spiced caramel flavor throughout.

• Brown Sugar – Adds sweetness and chewiness while complementing the Biscoff flavor.

• Granulated Sugar – Balances the moisture from the brown sugar for the perfect crumb.

• Eggs – Bind the batter and keep it tender.

• Vanilla Extract – Enhances the caramel and spice notes.

• All-Purpose Flour – Provides structure while keeping the blondies soft.

• Baking Powder – Gives a subtle lift so they’re not too dense.

• Salt – Balances the sweetness and deepens flavor.

• Crushed Biscoff Cookies – For crunch, texture, and even more cookie goodness.

Optional Add-Ins:

• White Chocolate Chips – For creamy sweetness.

• Cinnamon – To enhance the warm spice profile.

• Sea Salt Flakes – A finishing touch that elevates every bite.

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Step-by-Step Instructions: How to Make Biscoff Blondies

Step 1: Preheat and Prep

Preheat your oven to 350°F (175°C).
Line an 8×8-inch baking pan with parchment paper, leaving a bit of overhang for easy lifting. Lightly grease with butter or cooking spray.

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Step 2: Melt the Butter and Biscoff

1. In a medium saucepan, melt 1/2 cup (1 stick) unsalted butter over low heat.

2. Once melted, remove from heat and stir in 1/2 cup Biscoff cookie butter until smooth and creamy.

3. Let cool for 5 minutes before adding the sugars.

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Step 3: Add the Sugars and Wet Ingredients

1. Whisk in 1/2 cup brown sugar and 1/4 cup granulated sugar until combined.

2. Add 1 large egg and 1 teaspoon vanilla extract. Whisk until glossy and smooth.

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Step 4: Mix the Dry Ingredients

In a separate bowl, combine:

• 1 cup all-purpose flour

• 1/2 teaspoon baking powder

• 1/4 teaspoon salt
  (Optionally, add 1/4 teaspoon cinnamon for extra warmth.)

Gradually fold the dry ingredients into the wet mixture using a spatula until no flour streaks remain.

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Step 5: Add Mix-Ins

Fold in 1/2 cup crushed Biscoff cookies and, if desired, 1/4 cup white chocolate chips for a sweet contrast.

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Step 6: Bake the Blondies

1. Pour the batter into your prepared pan and smooth the top with a spatula.

2. Dollop a few teaspoons of extra Biscoff cookie butter on top and swirl with a knife for a marbled effect.

3. Bake for 20–25 minutes, or until the edges are golden brown and the center is just set (a toothpick should come out with moist crumbs, not wet batter).

Pro Tip: For a gooier center, underbake by 1–2 minutes — they’ll firm up as they cool.

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Step 7: Cool and Serve

Let the blondies cool completely in the pan before slicing.
Top with sea salt flakes or extra crushed Biscoff cookies for a beautiful finish.

Cut into 9 large squares (or 16 smaller ones if you’re sharing — though you might not want to!).

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Tips, Variations, and Substitutions

Tips for Perfect Biscoff Blondies:

• Don’t Overmix: Overmixing the batter can make blondies tough. Stir until just combined.

• Cool Before Cutting: They’ll be soft straight from the oven; cooling helps them set to that perfect chewy texture.

• Use Room Temperature Egg: This ensures the batter mixes smoothly.

Variations:

• Biscoff Swirl Cheesecake Blondies: Swirl softened cream cheese with Biscoff cookie butter on top before baking.

• Nutty Twist: Add chopped pecans or almonds for texture.

• Double Biscoff: Press extra Biscoff cookies directly on top before baking for a crunchy finish.

• Chocolate Drizzle: Once cooled, drizzle melted white or dark chocolate across the top.

Substitutions:

• No Biscoff Cookie Butter? Use another cookie spread (like Trader Joe’s Speculoos) or peanut butter for a different flavor.

• Dairy-Free: Substitute butter with melted coconut oil or vegan butter.

• Gluten-Free: Use a 1:1 gluten-free all-purpose flour blend and certified gluten-free cookies.

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Serving Ideas & Best Occasions

When to Serve:

• Afternoon Tea or Coffee: These pair beautifully with a cappuccino or latte.

• Dessert Tables: A guaranteed hit at parties and bake sales.

• Holiday Baking: Their warm spices make them perfect for fall and winter gatherings.

• Everyday Treat: They’re quick enough for a spontaneous sweet craving!

What to Serve With It:

• Vanilla Ice Cream: Melts into the warm blondies for a divine dessert.

• Whipped Cream: Adds a light, airy contrast.

• Espresso or Hot Cocoa: Complements the caramelized Biscoff flavor perfectly.

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Nutritional Information (Approximate per Blondie)

• Calories: 260–290

• Fat: 14g

• Carbs: 33g

• Protein: 3g

• Fiber: 1g

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Frequently Asked Questions (FAQ)

1. Can I make these ahead of time?

Yes! These blondies stay fresh for up to 5 days when stored in an airtight container at room temperature.

2. Can I freeze Biscoff blondies?

Absolutely. Wrap tightly in plastic wrap and freeze for up to 3 months. Thaw at room temperature before serving.

3. How can I make them extra gooey?

Slightly underbake and add an extra tablespoon of cookie butter to the batter.

4. Can I make this recipe without eggs?

Yes — replace the egg with 1/4 cup unsweetened applesauce or a flaxseed egg (1 tbsp ground flax + 3 tbsp water).

5. What’s the difference between blondies and brownies?

Blondies are the vanilla-and-brown-sugar version of brownies, made without cocoa powder. They’re caramel-flavored rather than chocolatey.

6. Can I use crunchy cookie butter instead of creamy?

Definitely! Crunchy Biscoff spread adds extra texture and cookie bits for an even more indulgent bite.

7. Why are my blondies dry?

They were likely overbaked. Pull them from the oven when the center still looks slightly soft; they’ll continue setting as they cool.

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