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Biscoff Brownies are ultra fudgy chocolate brownies studded with cookie butter and biscoff cookies in every bite! Biscoff cookie crumbs are folded into the batter, cookie butter is swirled in the center & on top, and they’re finished with a layer of biscoff cookie pieces for crunch.

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These cookie butter brownies are absolutely swoon-worthy! Make ’em and watch them fly off the plate anywhere you take them. There’s a biscoff cookie butter swirl in every bite, and a delightful crunch from the cookies. Let’s dive in!

Why you’ll love Biscoff Brownies:

  • Cookie Butter Extravaganza – Every bite is full of cookie butter and biscoff cookies! Crushed biscoff cookies are folded into the brownie batter and placed on top, and the brownies are swirled in the center and on top with cookie butter.
  • Easy Brownie Recipe – These lotus biscoff brownies are so easy to make!
  • Fudgy Brownies – These brownies have a fudgy texture, and have the perfect crinkle top.
A side view of a brownie peeking up out of the pan of brownies, with visible fudgy texture and cookie butter swirls.

Ingredient Overview:

  • Butter – I always use salted buter for the best flavor, but feel free to use unsalted butter if you prefer.
  • Chocolate – Use a good quality baking bar rather than chocolate chips, although chocolate chips can work in a pinch.
  • Sugar – Sugar provides structure and sweetness. We’re using a mix of granulated sugar and brown sugar for depth of flavor
  • Eggs – Use large eggs.
  • All-purpose flour – Spoon & level your flour for best results, or use a scale. Scooping the measuring cup directly in will lead to too much flour.
  • Cocoa Powder – Use unsweetened cocoa powder.
  • Vanilla extract – Use real vanilla extract for the best flavor.
  • Biscoff Spread – Biscoff cookie butter or any other brand of cookie butter will work.
  • Lotus Biscoff Cookies – Use biscoff biscuits (cookies) or any similar off brand version that you enjoy.

Recipe Substitutions & Variations:

  • Dairy-free – Use your favorite dairy-free butter sticks to make this recipe dairy-free.
  • Gluten-free – I haven’t tested a gluten-free version of this recipe, but it would theoretically work with gluten-free all-purpose flour. However, biscoff cookies and cookie butter contain wheat so you’d need to use some sort of crunchy spiced cookie or gingersnap cookie that is gluten-free.
  • Recipe Variations:
  • Other Butters – Feel free to try this with peanut butter or almond butter if you prefer those to cookie butter. Leave out the biscoff cookies in this case, as I don’t think they go super well with nut butters.
  • Chocolate Chunks – You can replace the crushed biscoff cookies with chocolate chunks or dark chocolate chips if desired.
A very close close-up on the stack of biscoff brownies.

How to Make this Biscoff Brownie Recipe Step-by-Step:

Step 1: Make the Brownie Batter. Melt the butter and chocolate together in a large mixing bowl, in 30 second intervals. Whisk the granulated and brown sugar, eggs, and vanilla into the melted chocolate mixture. Whisk for 2 full minutes – this will give you that crinkly top to your brownies. Stir in the dry ingredients, and the crushed biscoff cookies.

A bowl of fudgy batter with biscoff cookie pieces mixed in.

Step 2: Pour Batter into Pan and Swirl in the Cookie Butter. Pour half the batter into your prepared 9×9 pan, then swirl half the cookie butter on top of the brownie batter. Spread the remaining batter over the top of this, then add biscoff cookie pieces and swirl in the remaining cookie butter on top of the brownies.

A pan of biscoff brownies with cookie butter swirls and cookie pieces on top.

Step 3: Bake the Brownies. Bake as directed in the recipe card below. Brownies are done when the edges appear set and a toothpick inserted in the edges comes out clean, and pulls out moist fudgy crumbs from the center.

The baked pan of brownies.

Serving + Storing this Recipe:

Let brownies cool 30 minutes to 1 hour before digging in (or as long as you can stand, haha!). These are amazing warm from the oven, but will cut neater slices when cooled. Pro tip – reheat your slice in the microwave the next day to get back that warm-from-the-oven feel. Store brownies in an airtight container at room temperature for 4-5 days or in the fridge 5-6.

A bird's eye view of the sliced brownies in rows, with visible melty pools of cookie butter and cookie pieces on top.

Expert Success Tips:

  • Don’t Over Bake – Brownies set up more as they cool so don’t over bake them.
  • Yield – You can slice these into smaller pieces to stretch the yield, since they are rich (but not too sweet!)
  • Oven Thermometer – An oven thermometer will tell you if your oven is actually running at the temperature you set it to. Your oven may not be accurate. Accurate oven temperature is crucial for most bakes, so I leave an oven thermometer in at all times to keep an eye on my oven’s calibration.
  • Kitchen Scale – A food scale is the best way to make sure your flour is at the proper weight, since the amount you get will vary SO widely based on how you measure it, and the measuring cup you use, as they are not standardized.

FAQs:

Can I double or halve this recipe?

Yes! You can halve it and bake in a loaf pan for thick brownies, or in the same 9×9 pan for a thinner layer of brownies. Lessen your bake time to 18-20 minutes and add time as needed, checking for doneness as indicated in the recipe card. You can double and bake in a 9×13 pan, and the bake time should be similar.

Can I make this recipe ahead?

Yes! These can be made a day ahead, cooled at room temperature, then covered well with foil before slicing and serving the next day.

Biscoff brownies on a vintage wire rack.

Special Tools:

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  • 9×9 Pan – A ceramic or metal 9×9 square pan is ideal for this recipe.
  • Offset Spatula – An offset spatula makes spreading batter a breeze, and I use it for tons of things – especially when frosting cakes, bars, etc.
A stack of brownies on a vintage metal rack.

More Biscoff Recipes to Love:

More Brownie Recipes to Love:


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A stack of biscoff brownies with visible cookie butter swirls and fudgy texture.
5 from 3 votes

Biscoff Stuffed Brownies

By Stephanie Simmons
Ultra fudgy chocolate brownies are studded with cookie butter & biscoff cookies in every bite! Biscoff cookie crumbs are folded into the batter, cookie butter is swirled in the center & on top, & they're finished with a layer of biscoff cookie pieces for crunch. Cookie butter lovers & brownie lovers will rejoice over this perfect marriage of flavors!
Prep: 25 minutes
Cook: 38 minutes
Total: 1 hour 3 minutes
Servings: 9 to 18 brownies
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Ingredients 

  • 3/4 cup salted butter, 170 grams
  • 2 ounces semi-sweet chocolate, chopped, can sub chocolate chips
  • 2 ounces milk chocolate, chopped, can sub chocolate chips
  • 1 and 1/2 cups granulated sugar , 315 grams
  • 1/2 cup light brown sugar, packed, 110 grams
  • 4 large eggs, at room temperature
  • 1 and 1/2 tsp vanilla extract
  • 1 cup all-purpose flour , 130 grams
  • 2/3 cup cocoa powder, 56 grams
  • 1/2 tsp salt
  • 1/8 tsp espresso powder
  • 2/3 cup cookie butter, divided in half, 205 grams in total
  • 1 cup crushed biscoff cookies, 80 grams
  • 3-4 additional biscoff cookies, broken into larger pieces, for topping

Instructions 

  • Prep: Preheat your oven to 350° F. Spray a 9×9 ceramic or metal pan with nonstick spray and line with parchment paper.
  • Make the Brownie Batter: Melt the butter and both chocolates in a microwave-safe large bowl, in 30 second intervals, stirring between each, until fully melted and smooth. Whisk in the sugar until combined. Add the eggs and vanilla, and whisk until combined, then continue whisking for 2 minutes (this will create that crackly top on the brownies!). Add the flour, salt, cocoa, and espresso flour, and fold in with a rubber spatula until the last streaks of flour just disappear into the batter. Fold in 1 cup of the crushed biscoff cookies.
  • Bake: Spread half the batter evenly in your prepared pan, and dollops 1/3 cup of cookie butter on top. Swirl it in with a butter knife. Dollop on the remaining brownie batter and evenly spread it out. Add the remaining biscoff cookie pieces, and dollop on the remaining cookie butter, swirling it in.
    Bake for 35-43 minutes. A toothpick inserted into the center should pull out moist crumbs, not wet batter, and should come out clean at the edges. (You can also use the tip of a knife to lift up a little piece from the center to see the doneness more clearly, if you have a hard time judging when brownies are done).
  • Serve + Store: Let the brownies rest about 30-40 minutes before digging in. Or, let cool completely before slicing and serving. Store cooled brownies in an airtight container at room temp for 3-4 days or in the fridge for 5-6.

Nutrition

Serving: 1slice, Calories: 636kcal, Carbohydrates: 86g, Protein: 8g, Fat: 31g, Saturated Fat: 16g, Polyunsaturated Fat: 1g, Monounsaturated Fat: 7g, Trans Fat: 1g, Cholesterol: 124mg, Sodium: 361mg, Potassium: 264mg, Fiber: 4g, Sugar: 59g, Vitamin A: 596IU, Calcium: 53mg, Iron: 3mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Like this? Leave a comment below!

Stephanie Simmons

Iโ€™m a Mom & Grandma-taught cook + baker, and Iโ€™m excited to share my love of all things food with you!

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5 from 3 votes (1 rating without comment)

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4 Comments

  1. Rosie says:

    5 stars
    The recipe was very easy to follow & they turned out great! My whole family loves them!

    1. Stephanie Simmons says:

      Glad to hear it, Rosie!

  2. Sรณnia Costa says:

    5 stars
    The BEST chocolate brownie so far I have made !! Everyone I gave a piece replied with the best comments ๐Ÿ”
    FENOMENAL!!

    1. Stephanie Simmons says:

      Glad to hear that Sรณnia! ๐Ÿ™‚