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    The Cozy Plum » Recipes » Bars & Brownies

    Easy Biscoff Blondies

    Published: Mar 3, 2022 · Modified: Nov 22, 2022 by Callan Wenner · This post may contain affiliate links · 15 Comments

    148 shares
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    Jump to Recipe

    These quick and easy Biscoff blondies are thick, chewy, irresistible, and made in one bowl! Also referred to as speculoos or cookie butter, these cookie butter blondies are packed with warm spices, caramel notes and topped with crunchy Lotus cookies.

    Overhead shot of cut biscoff blondies. Two lay on their edges to expose the fudgy centers

    Why You'll Love This Recipe

    I'm telling you these are the best blondies! They're so quick, easy, and everyone will demolish them. Be sure to drizzle the tops with melted Biscoff spread for extra cookie butter flavor.

    Flavor and texture - biting into one of these speuloos blondies yields an incredibly chewy, fudgy texture with a buttery, warm spiced, caramelized finish.

    One bowl recipe - this Biscoff blondies recipe is made completely by hand in one large mixing bowl! It doesn't get easier than that, and will be on your table in less than an hour.

    If you're a major cookie butter lover like me, you can also check out my Cookie Butter Cookies, Mini Speculoos Cheesecakes, and Biscoff Truffles for more variations!

    What is Biscoff?

    If you've ever been on an airplane, chances are you've had a biscoff cookie. You may not have known what it was (besides delicious) but they are typically served with coffee or tea. These cookies are extra crispy, but full of warm spices and caramel flavor and are one of the best cookies to have ever lived.

    Now, talking verbiage - are biscoff & speculoos the same thing?

    Biscoff is the type of cookie that "cookie butter" is made of, and is known as biscoff from its Belgian roots. You'll find them under the Lotus brand in most U.S. grocery stores. The word speculoos (or speculaas) is how the cookie is referred to in the Netherlands and some other European countries.

    This particular cookie is broken down and pulverized to create cookie butter, which is how the name came about. It has a peanut butter like consistency and Lotus or Trader Joes brands are the ones you'll find most in the U.S.

    However, you'll also see it labeled as biscoff spread or speculoos spread. Whew! Did you get all of that?

    Jump to:
    • Why You'll Love This Recipe
    • What is Biscoff?
    • Ingredients
    • How to Make This Recipe
    • Expert Tips
    • Substitutions and Variations
    • Storing and Freezing
    • FAQs & Tips
    • More Dessert Bar Recipes
    • 📖Recipe

    Ingredients

    Ingredients for Biscoff blondies.
    • Cookie butter. The star of the show and main flavor component. Feel free to use creamy or crunchy. Look for this as Lotus brand, or at Trader Joe's under their brand.
    • Biscoff cookies. The addition of cookies added to the top adds a nice bit of extra texture to the bars, but this is optional! These are found under the Lotus brand.
    • Unsalted butter. Melted and incorporated into the batter.
    • Brown sugar. I prefer to use dark brown sugar for a better depth of flavor, but light brown sugar can be used.
    • Eggs. One full egg and one extra yolk. The additional yolk makes these extra rich and fudgy.
    • All-purpose flour. Be sure to measure this correctly - using a scale is best. Adding too much flour will result in cakey blondies rather than gooey and chewy blondies.
    • Ground cinnamon. For just a touch more warmth!

    How to Make This Recipe

    Preheat the oven to 350℉/180℃ and line an 8x8" baking dish with parchment paper. Watch my Parchment Paper Tricks video for best practices!

    Flour being folded into the batter.

    Five: Add the flour, cinnamon, and salt and fold them together with a rubber spatula, scraping down the sides.

    Finished batter in a bowl.

    Six: Continue folding until all flour and dry ingredients disappear and a thick batter forms.

    A mound of batter sits in the pan.

    Seven: Add the batter to a prepared pan.

    A hand presses the batter into the pan.

    Eight: Use your hands to press the Biscoff blondie batter into the pan, being sure to get the whole way to the edges.

    Blondies with cookies added prior to baking.

    Nine: Add crushed Biscoff cookies to the top, then bake.

    Overhead shot of baked blondies before cutting.

    Ten: Allow the bars to cool in the pan for about 15 minutes, then use the parchment paper slings to remove and cut the bars.

    Hot tip! Heat ¼ cup of additional cookie butter and drizzle it over the top for extra flavor!

    Expert Tips

    • Measure the flour correctly! Adding too much will result in a cakey blondie rather than a chewy, fudgy version.
    • This batter is very thick - it's easiest to use clean hands and fingers to press the dough into the pan.
    • Don't over bake the blondies! They should not need more than 30 minutes in a correctly heated oven. The batter is very thick so it may be difficult to tell when they are done. The edges will look totally set.
    • Gently reheat the blondies before eating leftovers. When slightly cool or from the fridge, they can become too hard. Microwave individual slices for a few seconds, or bake the rest of the pan for about 5 minutes at 350℉/180℃.

    Substitutions and Variations

    There's a few ways you can spice up your Biscoff blondies, though I really love them as is!

    • Add ½ cup chopped white chocolate or white chocolate chips to the batter.
    • Add ½ cup to the top of the batter and swirl it in. This will take a bit of work - a chopstick is a great tool for this.
    • Swirl ½ cup of caramel into the batter (same as above). If you want to make your own, follow my no thermometer caramel video recipe!

    Storing and Freezing

    Store the biscoff blondies at room temperature for 3 days, or in the fridge for 5. Gently reheat the bar(s) in the microwave or in a 350℉/180℃ oven for about 5 minutes.

    To freeze the cookie butter blondies, wrap tightly in plastic wrap, then aluminum foil, and place in a tiptop bag. Store for one month.

    Unwrap completely and thaw at room temperature before gently reheating.

    FAQs & Tips

    What is the difference between a blondie and brownie?

    Brownies are made with cocoa powder and sometimes melted chocolate, while blondies are made without cocoa powder, and sometimes uses melted white chocolate. Blondies are light in colors, and brownies are brown in color!

    Do you put blondies in the fridge?

    You certainly can, though it's not necessary if the biscoff blondies are being eaten within three days.

    If storing in the fridge, they will dry out more quickly, so you'll definitely want to reheat them in the oven (or on a plate in the microwave) to revive the chewy goodness!

    How do you know when the blondies are baked?

    The blondies are baked when the edges are totally set and slightly pull away at the very tops or sides. The center may look slightly darker than the sides or edges, which is normal.

    More Dessert Bar Recipes

    • Salted Caramel Cookie Bars with Shortbread
    • Black Forest Chocolate Cherry Brownies
    • Sweet Potato Bars with Cinnamon Whipped Cream
    • Apple Crisp Bars
    Stack of blondies laying on their side.
    Overhead shot of a stack of bars with the top one having a bite removed.

    Did you make this recipe? Share it with us! Tag @thecozyplum on Instagram & Facebook and leave a star rating ⭐️ below!

    📖Recipe

    Stack of biscoff blondies with melted cookie butter drizzling over the edge.

    Biscoff Blondies

    Callan Wenner
    These quick and easy Biscoff blondies are thick, chewy, and totally irresistible! Also referred to as speculoos or cookie butter, these biscoff spread blondies are packed with warm spices and caramel notes and topped with crunch biscoff cookies. 
    5 from 11 votes
    Print Recipe Pin Recipe
    Prep Time 10 mins
    Cook Time 25 mins
    Total Time 35 mins
    Course Dessert, Snack
    Cuisine American
    Servings 16
    Calories 217 kcal

    Equipment

    • 8x8 inch pan
    • Mixing bowls
    • Whisk
    • Rubber spatula

    Ingredients
      

    • ½ cup unsalted butter melted (113g)
    • ⅔ cup cookie butter melted/warmed (200g)
    • 1 cup brown sugar* 200g
    • 1 large egg
    • 1 egg yolk
    • 2 teaspoons vanilla paste or extract
    • 1⅔ cup all-purpose flour 200g
    • ½ teaspoon ground cinnamon
    • ½ teaspoon kosher salt
    • Biscoff cookies optional

    Instructions
     

    • Preheat the oven to 350℉/180℃ and line an 8x8" pan with parchment paper.
    • In a large bowl, add the melted butter, melted cookie butter and brown sugar and whisk vigorously to combine.
    • Add the egg, egg yolk and vanilla and whisk again.
    • Sprinkle over the flour, cinnamon and salt and use a rubber spatula to fold and mix the batter together until all flour disappears.
    • Press the batter into the pan using a rubber spatula or clean hands, working it the whole way to the edges and corners.
    • Top the blondies with pieces of biscoff cookies, if desired.
    • Bake for 25-30 minutes until the edges are set.
    • Cool completely or until still slightly warm, then cut and serve.

    Notes

    *I like to use half dark brown and half light brown sugars, but you can do any combination.
    These are best drizzled with extra cookie butter (just heat some up in the microwave for a few seconds).
    Store the blondies covered at room temperature for 3 days, or in the fridge for 5 days.
    To get very clean cuts, chill the blondies in the fridge for 30 minutes - 1 hour before cutting. However, these are best enjoyed when gently reheated. 
    Reheat individual slices in the microwave for 10-15 seconds, or the leftover pan in a 350℉/180℃ oven for about 5 minutes.

    Nutrition

    Calories: 217kcalCarbohydrates: 29gProtein: 3gFat: 10gSaturated Fat: 5gPolyunsaturated Fat: 1gMonounsaturated Fat: 2gTrans Fat: 1gCholesterol: 38mgSodium: 82mgPotassium: 39mgFiber: 1gSugar: 17gVitamin A: 209IUVitamin C: 1mgCalcium: 19mgIron: 1mg
    Tried this recipe?Let us know how it was!

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    Reader Interactions

    Comments

    1. Liz

      September 25, 2022 at 1:41 am

      5 stars
      Delightful!!!
      It was hard for me to not eat the entire batch of dough.

      Reply
      • Callan Wenner

        September 25, 2022 at 3:05 pm

        Haha!! I know this feeling, Liz. Thanks so much for making them!

        Reply
    2. Nina

      July 14, 2022 at 4:31 pm

      5 stars
      These were DELICIOUS! And so easy to make! While I'm usually a chocolate fiend, I love that this recipe doesn't have a lot of extras so the Biscoff and cinnamon flavor can really shine. The texture was spot on and the cookie butter drizzle on top was *chef's kiss*.

      Reply
      • The Cozy Plum

        July 14, 2022 at 9:07 pm

        Thanks so much Nina! Agree on the flavors - and loved the picture you shared with us!

        Reply
    3. Stef

      May 02, 2022 at 1:28 pm

      5 stars
      these are AMAZING! such a simple, quick recipe but packed with so much flavor and the best texture. this is a great recipe to try out with younger “helpers” aka toddlers bc it is very easy and doesn’t have tons of ingredients (most of which you will already have!). the perfect rainy day baking activity!

      Reply
      • The Cozy Plum

        May 02, 2022 at 6:42 pm

        I just love all of this, and totally agree! So perfect when you need a quick and easy dessert, thanks so much for making!

        Reply
    4. Kaitlyn

      April 18, 2022 at 11:42 pm

      5 stars
      Holy Cookie Butter... how was this the first time I have ever had cookie butter?! This recipe is incredible. I made these to take into work and my husband and I ended up just eating them all at home by ourselves. The texture of these are fabulous and the Biscoff cookies with cookie butter drizzle are the perfect toppings. Perfection!

      Reply
      • The Cozy Plum

        April 19, 2022 at 12:17 am

        It's truly something special...I'm glad you've finally tried it! They're hard to stop eating!

        Reply
    5. Ana

      April 03, 2022 at 2:53 am

      5 stars
      These are amazing! I love how quickly this recipe came together. It was the perfect impromptu bake! Thanks for the recipe!

      Reply
      • The Cozy Plum

        April 04, 2022 at 8:54 pm

        SO quick - totally agree. Thanks for making them, Ana!

        Reply
    6. Barbara

      March 12, 2022 at 4:35 am

      5 stars
      These were a huge hit! I needed to bake something for a last minute get together. Had these in the oven in under 10 minutes and they turned out fantastic! Super easy and absolutely delicious!

      Reply
      • The Cozy Plum

        March 12, 2022 at 9:52 pm

        Oh Yay!! I'm so happy to hear this - and they are perfect for last minute since they do come together so quickly, haha. Thanks for making them 🙂

        Reply
    7. Grace

      March 11, 2022 at 9:48 pm

      5 stars
      Biscoff cookies are my absolute favorite so when I saw this recipe I wanted to make them immediately! I live in Italy and unfortunately we don’t have (or at least I’ve never been able to find) cookie butter. BUT, two girls I work with went to France for holiday and brought me back a jar of cookie butter!!! So I guess it was fate…I HAD to make these blondies….they’re soooo good. I really can’t even put it into words. Let’s just say I had 3 already and I can’t wait to wake up tomorrow morning for more 😉 I recently started following thecozyplum on Instagram and can’t wait to try more of her recipes.

      Reply
      • The Cozy Plum

        March 12, 2022 at 2:06 am

        This is the most amazing review ever! Thank you Grace...and the effort that went into making these happen - wow. So happy you've enjoyed them!

        Reply
    8. Aubrey

      March 10, 2022 at 6:45 pm

      5 stars
      These came together in a flash! The texture was fudgy without being too dense, and the blondies aren’t overly sweet. A friend said she planned to have one with her cup of coffee in the morning. A lovely little bake!

      Reply

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    About Callan

    I'm Callan, and welcome to The Cozy Plum! A photographer and recipe developer of all things sweet, savory, and delicious, I help cooks and bakers of any level gain the confidence to create restaurant-quality recipes in their own kitchen!

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