This microwave-friendly version of Oreo Rice Krispie Treats is quick, easy, and perfect for making a small batch! Gooey marshmallows, crispy rice cereal, and crushed Oreos make for an irresistible no bake cookies and cream treat.
These cereal treats take the classic marshmallow treat to the next level! They’re soft, chewy, loaded with crushed Oreos, and packed with cookies & cream flavor.
In the world of no bake desserts, sometimes the best things are the simplest. Oreo Rice Krispie Treats are a go-to favorite that anyone can make, even people who don't like to bake!
You’ll be hooked from the first bite of these rich, gooey, cookies and cream bars.
Best of all, microwave Rice Krispie treats take less time to make—perfect for a quick and easy snack or dessert.
Why You'll Love This Recipe
- Faster to make. Using the microwave will save you about 10 minutes of time!
- Perfect summertime treat. There's no need to heat up your kitchen to make this bar dessert. Even better, they don't melt in the hot summer sun!
- Great for parties, potlucks, and picnics. Everyone loves a good Oreo dessert.
Speaking of Oreo desserts, have you tried my No Bake Oreo Cheesecake and Oreo Cupcakes recipes yet?
Ingredients
This easy no bake recipe comes together with just a few simple ingredients you might already have in your pantry:
See ingredient substitutions in the next section. ⬇️
- Oreo cookies: You can use Double Stuf cookies if you want more of the creme flavor.
- Rice Krispies or any other crispy rice cereal.
- marshmallows: For this recipe, be sure to use regular size marshmallows, not the big campfire squares.
- butter: Personally, I use salted butter, but unsalted will also work.
- vanilla extract: This ingredient is optional, but it adds a boost of flavor.
Substitutions and Recipe Variations
- Oreos: Any brand of chocolate sandwich cookies will work.
- butter: Although I haven't tested this recipe using margarine or plant-based butter substitutes, they should work fine.
- vanilla extract: You can omit this ingredient if you want, or If you need an alcohol-free flavoring, you can use vanilla essence.
Fun Recipe Twists
Swap out the crispy rice cereal for another crunchy or crispy cereal. Frosted Flakes or Cocoa Krispies would be good, or for a fun and colorful treat, use Fruity Pebbles.
How to Make Microwave Oreo Rice Krispie Treats
Instructions
Summary only. The complete recipe instructions are in the card at the bottom of this post ⬇️
- Place marshmallows and butter in a microwave-safe bowl.
- Microwave the mixture on medium power (about 70%) until it melts.
- Add crushed Oreos and Rice Krispies.
- Stir ingredients well until combined.
- Gently press mixture into a greased pan, then wait for it to cool.
- Cut the treats into squares and serve.
Liz's Tips for the Best Oreo Krispie Treats
- Use low heat. Melting the marshmallows slowly is the key to soft and gooey crispy treats.
- Crush the Oreo cookies to your liking. For a more intense cookies & cream flavor, finely crush them; for more crunch, leave some bigger chunks.
- Include mini marshmallows for extra gooeyness. Just stir ½ cup of whole mini marshmallows into the mixture before pressing into the pan.
- Use parchment paper when pressing the mixture into the pan. It prevents sticking and helps you to spread the mixture out evenly.
- Let them cool completely before cutting. This is the best way create clean, sharp squares.
- For an extra rich cookies and cream dessert, drizzle the top of the squares with melted white chocolate!
How to Keep No Bake Bars Fresh and Soft
Store the bars in an airtight container at room temperature for up to 3 days. To keep them extra soft, add a slice of bread to the container
FAQs
Marshmallow creme is a great substitute for melted marshmallows Krispie treats. However, because this is a microwave Rice Krispies treats recipe, you'll want to reduce the microwave power to around 70%.
Yes! You can substitute 5 cups of mini marshmallows for the 40 regular size marshmallows in the recipe.
Don’t overheat the marshmallows. Melting them too quickly affects the consistency, which can make the treats hard. Also, use fresh marshmallows—stale ones don’t melt as well. Lastly, press the mixture gently into the pan—don’t pack it too tightly.
Absolutely! For a fun twist, make this recipe with Golden Oreos, Lemon Oreos, Mint Oreos, or Birthday Cake Oreos.
Other Easy No Bake Desserts
- Easy No Bake Peanut Butter Pie
- Butterscotch Haystack Cookies
- Cherry No Bake Cheesecake
- Chocolate Oatmeal No Bake Cookies
Oreo Rice Krispie Treats
Ingredients
- 4 tablespoons salted butter
- 40 marshmallows standard size, not mini or jumbo
- 4 cups Rice Krispies cereal
- 10 Oreo cookies crushed, divided equally (about 2 cups)
- ½ teaspoon vanilla extract optional
Instructions
- Line an 8x8 or 9x9-inch baking dish with parchment paper and lightly grease with butter or nonstick spray.
- In a large microwave-safe bowl, add butter and marshmallows. Microwave on high for 45 seconds, stir, then heat for another 30 seconds or until melted and smooth.
- Stir in vanilla extract if using.
- Quickly fold in Rice Krispies cereal and 1 ½ cups of crushed Oreos (make sure to save the other ½ cup for topping).Stir until well combined.
- Transfer the mixture to the prepared pan and gently press it down with a greased spatula (avoid pressing too hard to keep them soft and chewy).
- Sprinkle the remaining ½ cup of crushed Oreos over the top and press them in slightly.
- Let the treats cool at room temperature for about 30 minutes before slicing into squares.
Helpful Notes and Tips From Liz
- Use low heat. Melting the marshmallows slowly is the key to soft and gooey crispy treats.
- Crush the Oreo cookies to your liking. For a more intense cookies & cream flavor, finely crush them; for more crunch, leave some bigger chunks.
- Include mini marshmallows for extra gooeyness. Just stir ½ cup of whole mini marshmallows into the mixture before pressing into the pan.
- Use parchment paper when pressing the mixture into the pan. It prevents sticking and helps you to spread the mixture out evenly.
- Let them cool completely before cutting. This is the best way create clean, sharp squares.
- For an extra rich cookies and cream dessert, drizzle the top of the squares with melted white chocolate!
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