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Servings 4–6 people

Marshmallow Peeps Cereal Treat Bars are a fun and colorful twist on a classic favorite. These bars bring together crispy cereal, gooey marshmallows, and those bright, squishy Peeps for a sweet treat that’s both chewy and crunchy. The Peeps give it a pop of color and a fun texture that makes these bars perfect for springtime or any celebration.

I love making these bars when I want a quick, no-fuss snack that kids and adults both enjoy. Mixing Peeps into the marshmallow base adds extra fluff and sweetness, and I have to admit, I usually sneak a few Peeps while assembling! If you’re like me, it’s hard to stop at just one bar once they’re done.

These cereal treat bars are great for packing in lunchboxes or sharing at parties. I like to cut them into small squares and arrange them on a colorful plate—everyone always reaches for the Peeps bars first. Also, they’re perfect for a last-minute dessert when you need something cheerful and easy to whip up.

Key Ingredients & Substitutions

Crispy Rice Cereal: This gives the bars their crunchy texture. You can swap it for puffed quinoa or corn flakes if you want a different crunch or are gluten-free.

Marshmallows: Mini marshmallows melt quickly and help bind the cereal. Peeps mini marshmallows add extra color and fun, but regular ones work perfectly too.

Butter: Unsalted butter adds richness and helps melt the marshmallows smoothly. For a dairy-free option, use coconut oil or a vegan butter substitute.

Marshmallow Peeps: These colorful treats make the bars festive. If you don’t have Peeps, try small candy pieces or drizzle colored chocolate on top for a similar effect.

How Can I Press the Mixture Without It Sticking to My Hands or Spatula?

Pressing the cereal mixture firmly is key to bars that hold together. Here’s how to do it easily:

  • Grease your spatula or hands with butter or non-stick spray before pressing.
  • Use gentle but firm pressure to compact the cereal without smooshing the marshmallows out.
  • Press evenly so the bars set uniformly and Peeps stick well on top.
  • Working quickly helps before the mixture starts to harden.

This simple trick keeps things neat and makes shaping the bars much easier!

Easy Marshmallow Peeps Cereal Bars

Equipment You’ll Need

  • 9×13 inch baking pan – I like this size because it fits the treats perfectly and makes slicing easier.
  • Non-stick cooking spray or butter – helps prevent sticking and makes cleanup simpler.
  • Large pot – for melting butter and marshmallows smoothly.
  • Rubber spatula or wooden spoon – makes stirring and pressing easy without scratching the pan.
  • Greased spatula or hands – for pressing the cereal mixture evenly into the pan.

Flavor Variations & Add-Ins

  • Add colorful candy sprinkles or chocolate chips on top of the Peeps before pressing for an extra sweet crunch.
  • Mix in small bits of chocolate or peanut butter cups for a richer flavor.
  • Use different flavored Peeps or add edible glitter for a more festive look.
  • Replace some of the marshmallows with peanut butter or almond butter for a nutty twist.

Marshmallow Peeps Cereal Treat Bars

Ingredients You’ll Need:

  • 6 cups crispy rice cereal
  • 4 cups mini marshmallows (regular or Peeps mini marshmallows)
  • 3 tablespoons unsalted butter
  • 8-10 Marshmallow Peeps (yellow, pink, white, blue, or assorted colors)
  • Non-stick cooking spray or butter (for greasing pan)

How Much Time Will You Need?

This recipe takes about 10 minutes to prepare and about 1 hour to cool and set at room temperature before slicing and serving.

Step-by-Step Instructions:

1. Prepare Your Pan:

Lightly grease a 9×13 inch pan with non-stick cooking spray or butter. This helps your treat bars release easily later. Set the pan aside.

2. Melt Butter and Marshmallows:

In a large pot over low heat, melt the 3 tablespoons of unsalted butter. Once melted, add the 4 cups of mini marshmallows. Stir continuously until the marshmallows are completely melted and smooth.

3. Mix in the Cereal:

Remove the pot from the heat. Immediately add the 6 cups of crispy rice cereal. Stir gently but quickly to coat the cereal evenly with the melted marshmallow mixture.

4. Press the Mixture into the Pan:

Pour the sticky cereal mixture into your greased pan. Using a buttered spatula or greased hands, press the mixture down evenly and firmly so it sticks together well.

5. Add the Marshmallow Peeps:

Place 8-10 Marshmallow Peeps side by side on top of the pressed cereal treats. Press them in lightly so they stick but keep their shape and colors.

6. Let the Bars Set:

Allow the treat bars to cool and set completely at room temperature for about 1 hour. This helps everything firm up nicely for cutting.

7. Slice and Serve:

Once set, cut your colorful cereal treats into squares or rectangles, making sure each piece includes some Peeps on top. Enjoy your fun and festive Marshmallow Peeps Cereal Treat Bars!

Can I Use Frozen Marshmallow Peeps for This Recipe?

It’s best to use Peeps at room temperature to avoid excess moisture when pressing them onto the bars. If using frozen Peeps, thaw them fully at room temperature before placing them on the treats.

How Should I Store Leftover Marshmallow Peeps Cereal Treat Bars?

Store leftovers in an airtight container at room temperature for up to 3 days. Avoid refrigerating, as it can make the bars hard and less chewy.

Can I Substitute the Crispy Rice Cereal With Something Else?

Yes! You can try puffed quinoa or corn flakes as alternatives for a different texture or if you need a gluten-free option.

Is It Okay to Skip the Peeps and Just Make Classic Rice Crispy Treats?

Absolutely! The Peeps add a festive colorful twist, but the base treat is delicious on its own. Feel free to customize with your favorite mix-ins or toppings instead.

About the author
Claudia