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OREO rice krispie treats

HowToRiceKrispieTreats This post may contain affiliate links.

Load up your marshmallow cereal treats with bits of chocolate and vanilla sandwich cookies to make the most amazing OREO Rice Krispie Treats ever!

Each of these rice crispy treats is packed with OREO Cookie pieces and just a smidgen of white chocolate to give them a wonderful cookies ‘n cream flavor.

OREO rice krispie treats stacked up on top of each other on a marble background with text overlay

There are mix-ins that elevate a cereal treat to the next level and these OREO Rice Krispie Treats filled with OREO Cookie pieces and a bit of white chocolate are definitely a step above other crispy treats.

The crunchy chocolate sandwich cookies with bits of vanilla cream blended with buttery, melted marshmallows and Rice Krispies Cereal are made even better by the addition of a bit of melted white chocolate.

I’ve been making a lot of cereal treats lately and even with an abundance of different treats hanging around our kitchen, these were the ones I kept reaching for. I can’t get enough of them!

closeup of an OREO rice crispy treat

 

Look at all that ooey gooey goodness. Don’t they look amazing?

These treats are so good and you’ll be happy to know that they are quick and easy to make either in the microwave or on the stove.

How to make OREO Rice Krispie Treats

Start by melting the butter, marshmallows, and white chocolate chips either on the stove or  in the microwave then toss in the OREO Cookie pieces and Rice Krispies Cereal.

bowl filled with melted butter and marshmallows blended with rice krispies cereal and OREO Cookie pieces

 

Stove Top Method

  1. Grease an 8-inch or 9-inch square pan with either butter or non-stick cooking spray.
  2. Pour 4 tablespoons of European Salted Butter*, 1/3 cup white chocolate chips, and 10 ounces mini or regular sized marshmallows into a large saucepan.
  3. Set the pan over low heat and allow to melt, stirring often, until about 75% of the marshmallows are melted.
  4. Remove the pan from the heat and continue to stir until all the marshmallows and white chocolate melt.
  5. Stir in 4 cups of Rice Krispies Cereal and 14 OREO Cookies, broken into pieces.
  6. Gently press the cereal treats into the prepared pan.
  7. Break up 2 more OREO Cookies and add on top of the treats in spots where there are no cookies.
  8. Let the treats cool for at least 30 minutes before cutting into 16 squares.
  9. Enjoy!

top down view of rice krispie treats loaded with Oreo Cookie pieces

Microwave Method

  1. Combine 4 tablespoons of European Salted Butter*, 1/3 cup white chocolate chips, and 10 ounces mini or regular sized marshmallows.
  2. Heat on high power for 1 minute then remove and stir until the marshmallows and white chocolate chips begin to melt.
  3. Heat for additional 15 seconds then let the bowl sit in the microwave for a minute before removing.
  4. Stir until the marshmallows and white chocolate melt and blend together with the butter.
    • Keep stirring! The heat from the melted marshmallows will continue to melt the bits of marshmallows that remain.
    • Of course every microwave heats differently so at this point if your marshmallows are still not fully melted you can heat for 15 second bursts of high power, stirring after each until fully melted.
    • Just be careful to not overheat the marshmallows. If they get too hot they will will become more like hard candy and will create hard rice krispie treats.
  5. Stir in 4 cups of Kellogg’s Rice Krispies Cereal and 14 OREO Cookies that are broken into small pieces.
  6. Gently press the cereal treats into a prepared pan.
  7. Immediately break up 2 more OREO Cookies and press the pieces on top of the cereal treats, adding them where there are no cookie chunks.
  8. Set aside to cool for at least 30 minutes before cutting into 16 squares.

*Why you should use European-Style Salted Butter

  • When creating our BEST Rice Krispie Treats recipe we had 20 people taste test many different brands of butter in our recipe and found that everyone unanimously agreed that European salted butter makes the most flavorful rice crispy treats.
  • We choose to use either President Salted Butter, Kerrygold, or Kroger Private Selection French Cream Butter but Land O Lakes new European Butter tastes really nice in these cereal treats too.
  • Does salted butter really matter? Yes! It really does make better tasting treats.

a side by side collage with one image of a buttered 8-inch pan and one pan filled with Oreo cereal treats

 

How to prepare my pan?

  • I prefer to use a non-stick pan to make my cereal treats because even as gooey as they can be they won’t stick much to a non-stick pan.
  • To ensure the treats won’t stick I like to butter the pan first.
  • You can also spray the pan with non-stick cooking spray, if you prefer.
  • If you use a glass pan it will be essential that you butter or spray the pan.
  • You can use an 8-inch or 9-inch pan with this recipe.

Can I use a 9″X13″ inch pan?

  • Yes, but you will need adjust the quantities…

How to make a larger batch of these OREO Cookie Cereal Treats?

  • Melt 6 tablespoons European Salted Butter, 16 ounces marshmallows, and 1/2 cup white chocolate chips.
  • Stir in 6 cups of Rice Krispies Cereal and 18 OREO Cookies, broken into small pieces.
  • Spread into a 9 inch by 13 inch, greased, pan,
  • Top with 3 or 4 more OREO Cookies, broken into pieces.
  • Cool for at least 30 minutes before cutting into 24 pieces.

Oreo Cereal Treats made using Rice Krispies Cereal and OREO Cookie pieces are displayed on a white and gray marble table

 

What type of white chocolate to use?

  • I added 1/3rd cup of Nestle Premier White Morsels. I really like the nice vanilla flavor the chips add to these cookies and cream style cereal bars.
  • You can use any white chocolate that you enjoy eating, just be sure to chop it finely, if using bars or blocks of white chocolate.

OREO Rice Crispy Treat Video

 

rate the recipe

Be sure to rate the recipe using the star rating system in the comment section below.

 

Rice Krispie Treats with OREO Cookies Recipe

Print Recipe
5 from 4 votes

OREO Rice Krispie Treats

Gooey and crispy rice krispie treats speckled with OREO Cookie pieces are enhanced by a bit of melted white chocolate to give these cereal treats a cookies and cream flavor. 
Prep Time10 mins
Cook Time2 mins
Total Time12 mins
Course: Dessert
Cuisine: American
Keyword: oreo rice krispie treats
Servings: 16
Calories: 187kcal

Ingredients

  • 4 tablespoons European Style Salted Butter, cut into small pieces
  • 10 ounces marshmallows
  • 1/3 cup white chocolate chips
  • 4 cups Kellogg's Rice Krispies Cereal
  • 16 OREO Cookies, broken into small pieces

Instructions

  • Combine the butter, marshmallows, and white chocolate chips in a large microwave safe bowl and heat on high power for one minute.
  • Remove an stir until melted.
  • If needed, continue to heat for 15 second increments, stirring after each, until melted. 
  • Optionally, you can melt the butter, marshmallows, and white chocolate chips in a large saucepan set over low heat on the stove top.
  • Pour in the Rice Krispies Cereal and about 12 of the OREO Cookie (broken into pieces).
  • Spread into a buttered, non-stick 8-inch pan then press the remaining cookie pieces on top. 
  • Let cool for at least 30 minutes before cutting into 16 squares.

Notes

Store these OREO Rice Crispy Treats in an airtight container, at room temperature, for up to a 10 days. They will be the most crispy in the first few days. 

square OREO Cereal Treats are scattered around on a white table

 

How to store marshmallow cereal treats?

  • Your cereal treats will taste best if eaten within the first few days but they will stay crispy and fresh for up to 10 days if stored properly in an airtight container or large zip top bag.
  • Do not refrigerate the treats as they may become soggy and soft.
  • You can freeze them if you wrap them well in plastic wrap, over-wrap them in tin foil, then place them in a large zip top bag. They’ll keep for up to 3 months.

For more tips and tricks for making perfect cereal treats be sure to check out our Cereal Treats FAQ page.

 

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Filed Under: traditional flavors

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Reader Interactions

Comments

  1. Ali Attas

    April 26, 2019 at 5:08 am

    If I can’t find Oreo Cookies can I use another brand?

    Reply
    • Beth Klosterboer

      May 8, 2019 at 3:29 pm

      Absolutely. You can really use just about any cookie you like. Sandwich cookies with filling, like an OREO, will work great because the filling adds a nice creaminess to the cereal treat. So, if you can find a chocolate sandwich cookie filled with a vanilla cream that will be the most similar to this recipe.

      Reply
  2. Shar Hon

    April 26, 2019 at 8:43 pm


    Now these are my kind of rice crispy treats. I could eat an entire pack of Oreos in one sitting so I’m thinking the same thing happen with these treats. 🙂

    Reply
    • Beth Klosterboer

      May 8, 2019 at 3:26 pm

      LOL! We are kindred spirits. OREO Cookies are hard to resist. Wait until you try these OREO Rice Krispie Treats. The pan will be empty before you know it.

      Reply
  3. Darla Wibia

    April 29, 2019 at 5:07 pm


    I’m loving this recipe. It has just the right ratio of ingredients and tastes great!

    Reply
    • Beth Klosterboer

      May 8, 2019 at 3:25 pm

      It really does! Thanks.

      Reply
  4. Karla Peeta

    May 6, 2019 at 6:59 pm


    These treats were so yummy. My kids have already asked me to make them again. I’m excited to see what new rice krispie treat recipes you share soon.

    Reply
    • Beth Klosterboer

      May 8, 2019 at 3:22 pm

      I’m so happy to hear your kids loved these OREO rice krispie treats that they have asked for them again. Meaghan and I look forward to sharing a lot of fun and creative cereal treat recipes with you in the coming months.

      Reply
  5. Frances Poiff

    May 8, 2019 at 7:46 am


    I just made a batch of these and they are the best Oreo Rice Krispie Treats I’ve ever eaten. You are right that they have just the right proportion of butter, marshmallows, cereal and cookies. The white chocolate adds such a nice flavor too. I’m in love and am going to make these again and again. Thanks for the great recipe.

    Reply
    • Beth Klosterboer

      May 8, 2019 at 3:20 pm

      YAY! I’m so happy you enjoyed this OREO Rice Krispie Treat recipe. I couldn’t stop eating them!

      Reply

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