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Oreo Rice Krispies Treats

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Amy GoldenBy Amy Golden
Amy Golden
Amy Golden Food Writer

Curious home cook and copyeditor, with a zest for tasting and writing.

Expertise: Baking and Southern Cooking View all posts →
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Delicious Rice Krispies treats, elevated—add Oreos for the upgrade!

Oreo ice cream cake bars stacked on white plate with Oreo pieces around.

Rice Krispies treats, those nostalgic treats from your childhood, countless classroom parties, and packed lunches, are delicious. No question. However, standard Rice Krispies treats are simple, and that means it’s fun to add a mix-in. Coarsely chopped Oreos add flavor and texture, upgrading Rice Krispies from good to great. The cookies and cream flavor, and the crunch from the Oreo pieces, bring this classic dessert to a whole new level.

Rice Krispies treats have been around for a long time. First introduced as a recipe on the side of the cereal box in the 1940s, home cooks have been whipping up this no-bake treat for decades. In the 1990s, Kellogg’s started selling pre-made Rice Krispies treats in the recognizable blue foil packaging. However, nothing beats homemade: the perfect gooey-to-crispy ratio of marshmallows and rice cereal makes for an irresistible treat. While other mix-ins like sprinkles, mini chocolate chips, and candies work, chopped Oreos add a decadent element and are by far my favorite variation.

You will love Oreo Rice Krispies treats too, as it’s a no-bake recipe that turns out a potluck- or party-worthy dessert (or just a treat for yourself when you get a hankering for it!). If you have little ones, get them into the kitchen to help with this recipe. They can help measure the Rice Krispies and the marshmallows and chop the Oreos (more on that below). Of course, don’t be mad if they sneak a taste of the cookies or marshmallows—we’ve all done it! Oreo Rice Krispies treats are a tasty variation on a classic and may just become your favorite way to enjoy them.

Creamy marshmallow cookies and crushed Oreos ingredients for dessert recipes on a white marble surface.

The best way to coarsely chop Oreos

When you need coarsely chopped Oreo cookies, the best method doesn’t even involve a knife! All you need is a gallon-sized resealable bag (freezer-type if you have it, as they are thicker than the standard bags) and a rolling pin. Place the Oreos into the bag, squeeze out as much air as possible, and seal tightly. Holding the rolling pin at one end, start gently tapping the bag of cookies with the other end of the rolling pin. Start gently and increase the intensity, flipping the bag over as needed. Your goal in this recipe is large chunks, not a powder. That’s it!

Creamy ham, mushroom, and pearl barley filling for savory pies or casseroles. Delicious homemade comfort food recipe.

How do I store leftovers?

Oreo Rice Krispies treats keep very well when stored properly. To store them for up to 4 days, put them into a resealable bag or other airtight container and leave them at room temperature (putting them in the fridge will cause them to harden too much). For longer storage, you can freeze them. Pack the treats layered with parchment paper in between and freeze for up to 2 months. When you’re ready to serve, let them sit out on the counter for about 30 minutes to thaw, and enjoy.

Oreo rice krispie treats bars on white parchment paper.

Serving suggestions

When cutting Oreo Rice Krispies treats, keep a damp paper towel handy to wipe off the knife blade so it glides smoothly through the pan and cuts neat edges. Stacked on a plate or dessert platter, these goodies will not last long. They are great on their own or paired with other sweet treats. Choices that work well include Rainbow Rice Krispies Treats, Marshmallow Pretzel Bars, or Rocky Road Bars.

Oreo rice krispie treats with marshmallows and crushed cookies.
Oreo ice cream cake bars stacked on white plate with Oreo pieces around.

Oreo Rice Krispies Treats

Close-up of a smiling woman with curly dark hair sitting indoors at a cafe or restaurant.Amy Golden
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Print Recipe Pin Recipe
Prep Time 15 minutes mins
Total Time 15 minutes mins
Course Dessert
Cuisine American
Servings 18 treats
Calories 246 kcal

Ingredients
  

  • 1/2 cup butter
  • 20 ounces mini marshmallows divided
  • 3/4 teaspoon vanilla extract
  • 6 1/2 cups Rice Krispies cereal
  • 20 Oreo cookies roughly chopped

Instructions
 

  • Grease a 9Ă—13-inch pan with butter or nonstick spray and set it aside.
    Aluminum baking sheet with scratches and slight discoloration, ideal for baking and cooking.
  • In a large saucepan over low heat, melt the butter. Add 12 ounces of mini marshmallows and stir until they melt into a smooth mixture.
    Creamy pancake batter in a pink mixing bowl with a silicone spatula, ready for cooking.
  • Remove from heat, then quickly stir in the vanilla extract, Rice Krispies cereal, and chopped Oreo cookies. Add the remaining 8 ounces of mini marshmallows and gently mix to combine.
    Creamy ham, mushroom, and pearl barley filling for savory pies or casseroles. Delicious homemade comfort food recipe.
  • Transfer the mixture into the prepared pan. Use a gentle hand to press the mixture evenly. Allow the treats to cool to room temperature before cutting into squares and serving.
    Oreo rice-crispie treat mixture in a baking pan with crushed cookies and marshmallows.

Nutrition

Calories: 246kcalCarbohydrates: 44gProtein: 2gFat: 8gSaturated Fat: 4gSodium: 171mgFiber: 0.5g
Keyword Oreo Rice Krispie Treats
Tried this recipe?Let us know how it was!
Close-up of a smiling woman with curly dark hair sitting indoors at a cafe or restaurant.

About Amy Golden

Curious home cook and copyeditor, with a zest for tasting and writing.

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Published: Sep 25, 2025 | Updated: Feb 2, 2026

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