Cookie Butter Rice Krispie Treats

5 from 2 votes

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Cookie Butter Rice Krispie Treats are light, airy, chewy, crunchy, and easy to make with a hint of that yummy Biscoff cookie goodness. Based on my original Rice Krispie Treats recipe, these are sure to be a delicious variation.

rice krispie treats on counter

I bought a jar of Biscoff spread a month ago, I’ve been waiting for the right idea to pop into my head to use some of it. Have you all seen this stuff? It’s next to the peanut butter, honey and nutella at the grocery store with a red lid. It took me a while to track it down, actually. But once I got it and had the idea for this recipe, the stars aligned and the biscoff rice krispie treat was born.

These are THE PERFECT afternoon/after school/recess/kid friendly snack.  They’re light, airy, chewy, crunchy and ridiculously easy to make with a hint of that yummy biscoff cookie goodness.

Tips + Tricks

Just a couple tips and tricks that I have found to be helpful and bring the most success in making these.

  • Fresh Marshmallows. Buy a new bag instead of using the bag in your pantry that has been sitting there for how many months (???). Trust me, fresh marshmallows are the way to go.
  • Gently Pack. Press your rice krispie-marshmallow mixture into your greased pan hard enough to flatten the top, but gently enough to not pack it in. This is to avoid a hard texture when eating. The extra marshmallows will help avoid this.
  • Greasy Fingers. To pack your treats into the pan without making a mess, grease your fingers, then gently press/spread the mixture into the pan. Voila!

Making Rice Krispie Treats is pretty straightforward and simple. I’ve included step by step directions to guide you through. For full recipe details, see the printable recipe card below.

Melt Butter + Marshmallows

In a large pot, melt butter. Once butter is melted, add in marshmallows. Mix together until smooth. Remove from heat.

Add in Biscoff Spread + Cereal

Once removed from heat, stir in Biscoff spread. Once the biscoff spread is melted into the marshmallows and butter, stir in your rice krispies.

It may seem to harden up quickly and turn into one huge ball of krispie goodness, so don’t be afraid to push the mixture apart to make sure everything gets coated evenly with marshmallows.

Pour into Greased Pan + Cool

Pour into a greased 8×8 pan, press down to even the top and cool to room temperature, about an hour. Cut into 9 even squares and serve.

stacked bars of cookie butter rice krispie treats

Storing Rice Krispie Treats

Store in an airtight container for up to 3 days at room temperature to maintain freshness.

Can I make these ahead of time?

Yes! You can make these ahead of time and store at room temperature in an airtight container until ready to serve.

Try doubling this Rice Krispie recipe!

As the recipe is written, it makes an 8×8 size pan of treats. If you need to double the recipe, use a well greased 9×13 pan. Perfection!

cookie butter rice krispie treats

Love Rice Krispie Treats? Give These Variations a Try!

There you have it, a perfect afternoon snack or dessert. I’m pretty sure I love these more than any kid out there. Be sure to save, print or bookmark this recipe to have on hand.

Anyways, hope you like this one, guys! 🙂 Have a great day!

rice krispie treats on counter
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5 from 2 votes

Cookie Butter Rice Krispie Treats

Cookie Butter Rice Krispie Treats are light, airy, chewy, crunchy, and easy to make with a hint of that yummy Biscoff cookie goodness.
servings 9 squares
Prep Time 10 minutes
Cook Time 5 minutes
Total Time 15 minutes


  • 2 tablespoons butter
  • 2 cups mini marshmallows
  • 1/4 cup biscoff spread
  • 2 3/4 cups crispy rice cereal


  • In a large pot, melt butter and marshmallows together until smooth. Take off heat and stir in biscoff spread. Pour in cereal and stir until cereal is sticky and every grain is coated. You may have to stir a little more than when making plain rice krispie treats. Pour into a greased 8×8 dish, press down to even the top and cool to room temperature. Cut into 9 even squares and serve.


Calories: 119kcal | Carbohydrates: 18g | Protein: 1g | Fat: 5g | Saturated Fat: 2g | Cholesterol: 7mg | Sodium: 31mg | Potassium: 7mg | Fiber: 1g | Sugar: 9g | Vitamin A: 78IU | Iron: 1mg
Course: Dessert
Cuisine: American
Keyword: Cookie Butter Rice Krispie Treats
5 from 2 votes (1 rating without comment)

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38 Responses
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  3. Melissa Klotz

    Yummmm!! I made Biscoff truffles for Valentine’s Day, and now I’m on a kick. I ordered the crunchy and smooth spreads from their website, as well as their waffles. Really good.

    I’d definitely have to double this recipe (triple?) to make sure all the Rice Krispies are used up right away, because I kind of a have a problem too, one serving of Rice Krispies just isn’t enough!!!

    Here are the Biscoff truffles:

  4. Roxana GreenGirl { A little bit of everything}

    i’m probably one of the very few people that haven’t tried the biscoff. i have to see which grocery carries it and make some treats. sounds like a great peanut-butter substitution!

  5. nicole {sweet peony}

    I cannot control myself around rice krispies treats. I love them soooo much. I don’t even want to imagine how quickly these would disappear… but I know that I have to make them soon. They’re a fantastic idea 🙂

  6. Rachel @ Bakerita

    Ohhh man. I make rice krispie treats a lot because I live in a dorm and I can do them in a microwave…I also tend to eat Biscoff by the spoonful! This seems like a wonderfully terrible idea.

  7. Aimee @ ShugarySweets

    We love Biscoff Rice Krispie Treats. I like to warm up some extra biscoff and drizzle it over the top. Let it set and it OMG delish!!

  8. Trimble

    I had NO idea this stuff even existed and after several phone calls I just found it (at Harmon’s in Draper, UT, in case anyone else is looking in my area). I can’t eat peanut butter while pregnant or nursing due to my children’s allergies so for someone who loves peanut butter as much as most people love chocolate it’s very difficult. I’m so excited to try this alternative and in this yummy treat. Thank you!!!

  9. Kathy T

    I can’t believe there is some food item that I don’t know about! What does Biscoff taste like? Ok confession time also – the school where I work makes rice krispie treats every other Thursday with marshmallow cream! So one of the cafeteria ladies sneaks a bunch to me on a plate if I give her the secret nod! I say to her, “you know, for my kids”. She just winks at me knowing full well that I’m about to go to my office and eat every bite!!!!!! I’ll try the Biscoff though! Thanks for the recipe!

  10. Sally @ Spontaneous Hausfrau

    Oh, geez, I have no self control with rice krispy treats either – particularly the homemade ones. I start by “trimming the uneven edges” which only creates more uneven edges which leads to me eating the uneven pieces which leads to me sitting on the kitchen floor with sticky crumbs all over my chin and not even a clue where the last hour went.

  11. Anne

    have you ever had the rice krispy treats at the snack bar at Target? they are about the size of your head and super marshmallowy. Target trips are expensive and now fattening too! i can’t wait to try this with the biscoff!

  12. Natalie @ Cooking for My Kids

    I saw the title of this and knew that I was going to be in love with the recipe. The only problem is that I have not been able to find Biscoff spread. Surely it is somewhere in my little suburb.

  13. Lauren at Keep It Sweet

    This is a great use of biscoff! I’m pretty sure I’ve eaten a lot of unmentionable things in 12-hour periods:-)

  14. Georgia @ The Comfort of Cooking

    What a fun recipe and a delicious idea for Biscoff – which I have yet to use, too. Thanks for sharing, Lauren!

  15. Cookin' Canuck

    While we’re confessing, I will tell you that I’ve eaten two substantial wedges of Brie cheese in 24 hours. It wasn’t pretty. I have yet to try the Biscoff spread, but am pretty darn certain I would love these treats.

  16. From Valerie's Kitchen

    I’m obsessed with Rice Krispie Treats. I always told myself it was okay to eat them since they are lower in fat than most sweets. So it’s okay to eat a whole pan of them right? I am intrigued by Biscoff and now I’ll have to hunt some down!

  17. Megan Pence

    There are no words coming out of me right now. I’m speechless. This is precisely the reason we’re friends. Biscoff and rice krispies= 4eva’

  18. Emilie @ Emilie's Enjoyables

    I made these a few weeks ago too and LOVED. Although sometimes I want the biscoff flavor to be as prominent as peanut butter and it just isn’t. I still think it’s best straight out of the jar 🙂