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Home » Dessert » Bars » Rainbow Rice Krispies Treats

Rainbow Rice Krispies Treats

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Colorful Rainbow Rice Krispies Treats are so much fun! Make them for a unicorn party, St. Patrick’s Day or to celebrate spring.

rainbow rice krispie treats and white fluffy cotton candy on a pan

Traditional rice krispies treats are always a great dessert choice but rainbow rice krispies treats are even more fun! They are basically the same treats but made in individual layers and formed into a rainbow shape.

8 marshmallows in a glass bowl

Start by making the purple layer of rice krispies treats. Put the butter in a bowl and melt it in the microwave. Add the large marshmallows and stir to coat them with the melted butter.

adding lavendar food coloring to the marshmallow mixture

Return the bowl to the microwave and cook on high for 30-45 seconds. Stir until smooth. Add food coloring and stir until combined.

a spatula in a bowl of melted marshmallow and crispy rice cereal

Then, add the rice krispies and stir until they are coated with the marshmallow mixture.

purple colored rice krispies rolled into a tube

With greased hands (spray them with a little cooking spray) shape the marshmallow coated rice krispies into a long tube on a silicone mat or a greased surface.

an orange layer of rice krispie treats rolled out flat next to the multi colored roll of rice krispies

Continue making different color layers of rice krispies treats and layering them on top of the other colors.

a rainbow colored roll of rice krispie treats

Firmly press all of the layers to together forming a long tube that looks like a rainbow on the end.

a slice of rainbow rice krispie treats laying next to the roll it was cut off of

Cut the tube of rice krispies treats into slices revealing the adorable rainbow in each slice.

rainbow rice kripsies treats on a pan

Store the rainbow rice krispies treats in an airtight container.

individual rainbow treats lined up on a pan

Can I make the colors more intense?

Yes, you can add more food coloring to each layer but keep in mind that the rice krispies treats may start to taste like the food coloring.

close up of a rice krispies treats shaped into a rainbow

How could I add flavor to these rainbow rice krispies treats?

We made the classic rice krispies treats but it would be fun to add different flavors to the colors of the rainbow! You could stir in a little extract or flavoring oil to each layer. Here are a few flavor suggestions:

  • pink – strawberry extract
  • orange – orange extract
  • yellow – lemon or pineapple flavoring
  • green – lime or green apple flavoring
  • blue – blueberry or blue raspberry flavoring
  • purple – grape flavoring
rainbow treats with cotton candy

Want more rainbow recipes? Try these next:

This kid-friendly Sunset Slushie recipe is a perfect beverage for sharing with family and friends. Make it as a layered sunrise drink for breakfast too.

These Pot of Gold Cookie Cups have Rolo caramel candies stuffed inside and a rainbow on top! Try this recipe for St. Patrick’s Day.

A beautiful Cadbury Mini Eggs Layer Cake for Easter and spring celebrations. This cake has 3 pastel layers, buttercream frosting, and pastel chocolate eggs.

Funfetti Ooey Gooey Bars are fun to eat with a rainbow of colors. It’s a combo of a cake mix cookie bars recipe and Fruity Pebbles Bars recipe!

Continue to Content
individual rainbow treats lined up on a pan

Rainbow Rice Krispies Treats

Yield: 16
Prep Time: 30 minutes
Total Time: 30 minutes

Colorful Rainbow Rice Krispies Treats are so much fun! Make them for a unicorn party, St. Patrick's Day or to celebrate spring.

Ingredients

Purple Layer

  • 1/2 tbsp butter
  • 8 large marshmallows
  • purple food coloring
  • 1 cup rice krispies

Blue Layer

  • 1/2 tbsp butter
  • 8 large marshmallows
  • blue food coloring
  • 1 cup rice krispies

Green Layer

  • 3/4 tbsp butter
  • 10 large marshmallows
  • green food coloring
  • 1 1/4 cups rice krispies

Yellow Layer

  • 3/4 tbsp butter
  • 10 large marshmallows
  • yellow food coloring
  • 1 1/4 cups rice krispies

Orange Layer

  • 1 tbsp butter
  • 12 large marshmallows
  • orange food coloring
  • 1 1/2 cups rice krispies

Pink Layer

  • 1 tbsp butter
  • 12 large marshmallows
  • red food coloring
  • 1 1/2 cups rice krispies

Instructions

  1. Start with the purple layer. Then repeat the steps with the blue, green, yellow, orange, and red layers.
  2. Melt the butter in the microwave. Add the marshmallows and stir to coat with the melted butter. Microwave for 30-45 seconds. Stir until smooth.
  3. Add the food coloring and stir until the color is uniform.
  4. Stir in the rice krispies until coated.
  5. Remove from bowl and form a long tube (about 12 inches) for the purple layer. All of the following layers will be placed over the purple tube. The order of layers should be purple on the bottom/center, blue, green, yellow, orange, and then pink on the top.
  6. Allow the rice krispies treats to set and then cut into rainbow slices.

Recommended Products

As an Amazon Associate and member of other affiliate programs, I earn from qualifying purchases.

  • Wilton Icing Colors, 12-Count Gel-Based Food Color
    Wilton Icing Colors, 12-Count Gel-Based Food Color
  • Silpat Roul'Pat Non-Stick Silicone Mat Non-Slip Grip, 16.5-Inch by 24.5-Inch
    Silpat Roul'Pat Non-Stick Silicone Mat Non-Slip Grip, 16.5-Inch by 24.5-Inch
Nutrition Information:
Yield: 16 Serving Size: 1 slice
Amount Per Serving: Calories: 168Total Fat: 4gSaturated Fat: 2gTrans Fat: 0gUnsaturated Fat: 1gCholesterol: 9mgSodium: 116mgCarbohydrates: 34gFiber: 0gSugar: 18gProtein: 2g

Nutrition data is calculated automatically by Nutritionix and isn't always accurate. I am not a certified nutritionist and make no claims to the contrary. Each individual’s dietary needs and restrictions are unique to the individual. You are ultimately responsible for all decisions pertaining to your health.

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© The Gunny Sack
Cuisine: American / Category: Dessert
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Tonia LarsonHi, I'm Tonia, a lover of food and photography! Fill a gunny sack with ingredients, tie on an apron and let's get cooking!
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