Link to this page

Rainbow Rice Krispie Treats: Fun and Easy No-Bake Cookie Recipe

Rainbow Rice Krispie Treats are a variation of the classic original made with crisp rice cereal, marshmallows, melted butter ... 

Rainbow Rice Krispie Treats: a RKT variation and super-easy no-bake cookie recipe with The Cookie Elf

... and miniature chocolate chips, which give them their colorful name. I love this cookie recipe for kids because its so easy and fun. (As an added bonus, the bars are a gluten-free cookie!)

The original RK treats are said to have been invented by Kellogg Corporation co-workers Mildred Day and Malitta Jensen in 1939, possibly inspired by an earlier recipe that used puffed wheat and molasses. When the Camp Fire Girls organization contacted Kellogg for ideas for fundraiser, the company directed their attention to Day’s easy cookie recipe made from the popular rice cereal.

In 1996, M & M Minis were introduced to the market. And oh, how we love them!

Prep time: about 10 minutes

Chilling time: 15-30 minutes

Makes about 20-24 bars


3 tablespoons butter or margarine

1 10-ounce bag large marshmallows (about 40)

6 cups crisp rice cereal (such as Rice Krispies)

1 cup miniature chocolate-coated candies (like M & M Minis)


  • Line a 13 x 9 baking pan with foil, allowing the ends of the foil to drape over the ends of the pan. Spray the foil lightly with cooking spray. Sprinkle miniature chocolate candies on the  bottom of the pan. Set aside.

  • Measure rice cereal into a mixing bowl. Set aside.

  • Set butter and marshmallows in a large, microwave-safe bowl. Microwave on high for 1 minute. Remove the bowl from the oven and stir. Return bowl to the oven. Repeat. Stir the marshmallow mixture until it is smooth.

  • Pour marshmallow mixture into rice cereal. Mix thoroughly to coat cereal and peanuts.  With a spatula or wet fingers, press cereal mixture over chocolate candies in the prepared baking pan.

  • Chill cookies in the refrigerator 15-30 minutes or longer.

  • Place a cutting board across the top of the baking pan. Flip pan over. Peel back the foil. The chocolate candies will now be on top of the cookies.

  • Use a long bread knife to cut bars into 2 inch squares. Store bars in an airtight container with waxed paper in between layers.

Special Baking Tips from The Elf

  • You can substitute 10 ounces of miniature marshmallows or 1 jar (7 ounces) of marshmallow crème for regular marshmallows.
  • For best results, use fresh marshmallows.
  • If you do not wish to use the microwave, you can melt butter and marshmallows in a large saucepan on the stove top at low heat, stirring continually, until they are melted and smooth.
  • Rainbow Rice Krispie Treats will keep for 2 days at room temperature or 5 days in the refrigerator (if they last that long.)

More Rice Krispie Treat Recipes and Tips

Butterscotch Rice Krispie Treats: variation of the classic recipe ...

Chocolate Chip Rice Krispie Treats: classic no-bake cookies with a twist

Homemade Rice Krispie Treats: classic no-bake cookie recipe ...

Oreo Krispie Treats: easy no-bake cookie recipe ...

Peanut Butter Krispie Balls: a Rice Krispie Treats variation ...

Peanut Fandangos: both a no-bake cookie and a gluten-free cookie ...

SMores Rice Krispie Treats: easier than the campfire treat ...

13 Baking Tips for Making Rice Krispie Treats ...

More Easy No-Bake Cookie Recipes from The Elf

Birds Nest Cookies: Easy No-Bake Cookie Recipe for Kids ...

Coconut Snowballs: Easy No-Bake Christmas Cookie Recipe ...

No-Bake Holly Cookies: easy kids Christmas cookie recipe ...

No Bake Peanut Butter Chocolate Cookies ...

Oreo Balls: a double dose of chocolate ...

Rocky Mountain Snowdrops ...

Smores Bars: easy, no-bake cookies, fun for kids ...

Return from Rainbow Rice Krispie Treats to The Cookie Elf home

Enjoy this page? Please pay it forward. Here's how...

Would you prefer to share this page with others by linking to it?

  1. Click on the HTML link code below.
  2. Copy and paste it, adding a note of your own, into your blog, a Web page, forums, a blog comment, your Facebook account, or anywhere that someone would find this page valuable.

New! Comments

Have your say about what you just read! Leave me a comment in the box below.

Find A Cookie Recipe or Cookie Baking Tip

The Cookie Elf

FREE! 6 Easy Cookies Recipes for Kids and Families

Get your free copy here or when you fill in the form below.

I'm a member of Food Blogger Pro. Learn how to start and grow your food blog.