Easy Biscoff Blondies

Biscoff Blondies are thick, chewy bars loaded with the warm, spiced flavor of Lotus Biscoff cookies and creamy cookie butter spread. I’ve been making these regularly for the past few years, and they disappear so fast I usually have to make a double batch. The combination of caramelized brown sugar and that signature Biscoff flavor creates something truly addictive.

There’s something magical about watching Biscoff spread swirl into golden blondie batter. I first discovered this recipe during a rainy weekend when I had half a jar of cookie butter sitting in my pantry. One batch later, and I was absolutely hooked. These blondies come together in one bowl with no mixer required, making cleanup a breeze. The crushed Biscoff cookies on top add the perfect crunchy contrast to the fudgy center. Whether you’re craving a quick dessert or need something impressive for a bake sale, these Biscoff Blondies deliver every single time.

What You’ll Need for Perfect Biscoff Blondies

Getting the right ingredients makes all the difference in these blondies. I always use high-quality Biscoff spread for the best flavor, and I recommend the smooth variety rather than crunchy for even distribution throughout the batter.

• 1 ½ cups (180g) all-purpose flour
• 1 teaspoon baking powder
• ½ teaspoon salt
• ½ cup (113g) unsalted butter, melted and slightly cooled
• 1 cup (200g) light brown sugar, packed (I prefer dark brown for deeper flavor)
• ½ cup (100g) granulated sugar
• 2 large eggs, room temperature (this helps create a smooth batter)
• 1 teaspoon vanilla extract
• 1 cup (280g) smooth Biscoff cookie butter spread, plus extra for swirling
• 10-12 Lotus Biscoff cookies, crushed into various sizes (place in a sealed bag and crush with a rolling pin)

Pro tip: Room temperature eggs blend much more smoothly into the melted butter mixture. I usually set mine out about 30 minutes before baking. For the crushed cookies, I like leaving some larger pieces for extra texture on top.

How to Make the Best Biscoff Blondies

I prefer mixing these by hand rather than using a mixer because it keeps the texture perfectly chewy without overworking the batter. The key is gentle folding once you add the flour.

Step 1: Preheat your oven to 350°F (175°C). Line an 8×8 inch baking pan with parchment paper, making sure to leave a 2-inch overhang on two opposite sides. This acts as handles for easy removal later.

Step 2: In a medium bowl, whisk together the flour, baking powder, and salt until evenly combined. Set this aside while you prepare the wet ingredients.

Step 3: In a large mixing bowl, whisk the melted butter with both sugars for about 1 minute until the mixture looks smooth and glossy. The sugar won’t fully dissolve, but it should be well incorporated.

Step 4: Add the eggs one at a time, whisking well after each addition. The mixture should look thick and emulsified. Whisk in the vanilla extract until combined.

Step 5: Add the Biscoff cookie butter spread and gently fold it in with a spatula until just combined. You’ll see beautiful swirls of caramel-colored spread throughout. Don’t overmix or the blondies can become tough instead of tender and fudgy.

Step 6: Add all the dry ingredients at once and fold gently with your spatula. Stop mixing as soon as the flour streaks disappear. The batter will be very thick, almost like cookie dough. This is exactly what you want for fudgy Biscoff Blondies.

Step 7: Scrape the batter into your prepared pan and spread it evenly with an offset spatula or the back of a spoon. Press it gently into the corners.

Step 8: Warm 2-3 tablespoons of additional Biscoff spread in the microwave for 10 seconds until pourable. Drizzle it over the batter and use a butter knife to create swirls by dragging it through in a figure-eight pattern. Sprinkle the crushed Biscoff cookies evenly over the top.

Step 9: Bake for 22-26 minutes. The edges should look set, slightly golden, and pull away slightly from the pan sides, while the center should still look a bit underdone. A toothpick inserted in the center should come out with moist crumbs, not wet batter. Watch carefully after the 22-minute mark to avoid overbaking.

Step 10: Let the blondies cool completely in the pan on a wire rack for at least 1 hour. They’ll continue to set as they cool. Once cool, lift them out using the parchment overhang and cut into 9 or 16 squares depending on your preferred size.

What to Serve with Biscoff Blondies

These blondies are incredibly versatile and pair beautifully with both hot and cold accompaniments. The sweet, spiced flavor complements creamy and tangy options equally well.

Vanilla ice cream: The cold, creamy vanilla contrasts perfectly with the warm, chewy texture of freshly baked Biscoff Blondies and creates an irresistible dessert.

Hot coffee or espresso: The bitter notes in coffee balance the sweetness while highlighting the caramelized cookie butter flavor in every bite.

Fresh whipped cream: Light and airy whipped cream adds a refreshing element without overwhelming the rich Biscoff taste.

Caramel sauce drizzle: For an extra indulgent treat, warm caramel sauce enhances the already deep, toffee-like notes in these blondies.

Fresh berries: Strawberries or raspberries add a bright, tart element that cuts through the richness and makes these perfect for spring gatherings.

More Sweet Treats to Try

These Biscoff Blondies are perfect alongside other easy desserts that satisfy your sweet tooth without requiring hours in the kitchen. For another simple cookie option, the Soft Eggnog Cookies bring seasonal spice flavors that pair beautifully with the caramelized notes in these blondies. The White Chocolate Candy Cane Cookies offer a festive peppermint contrast that’s delightful when served on the same dessert platter.

For special occasions, consider rounding out your dessert spread with the elegant Easy Gingerbread Tiramisu or the fun Cake Batter Cookies. The Peppermint Oreo Balls are another no-bake option that works wonderfully alongside these blondies for holiday cookie exchanges or parties.

Storing Your Biscoff Blondies for Maximum Freshness

These blondies actually improve in flavor after the first day as the Biscoff spread continues to meld with the other ingredients. I recommend storing them at room temperature in an airtight container for up to 4 days. They’ll stay soft and chewy if you place a piece of bread in the container, which helps maintain moisture.

For longer storage, keep them in the refrigerator for up to one week. Chilled blondies have a fudgier texture that some people prefer. Let them come to room temperature for 10-15 minutes before serving, or warm individual squares in the microwave for 10-15 seconds to restore that fresh-baked texture.

Pro tip: These Biscoff Blondies freeze beautifully for up to 3 months. Wrap individual squares in plastic wrap, then place them in a freezer-safe bag. Thaw at room temperature for about an hour, or warm from frozen in the microwave for 20-30 seconds.

Your Biscoff Blondies Questions Answered

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