Lucky Charms Marshmallow Treats (Easy St. Patrick’s Day Treat!)

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If you grew up loving Lucky Charms, get ready for a magically delicious twist on a classic treat! These Lucky Charms Marshmallow Treats are soft, gooey, and packed with colorful cereal and sweet marshmallow goodness. Think rice krispies-style treats, but with extra whimsy and nostalgia in every bite. They’re quick to make, perfect for parties, and guaranteed to bring out your inner kid. Whether you’re baking with kids or just craving something fun, this recipe is pure rainbow-filled joy.

St. Patrick's Day Lucky Charms Krispies Treats

Why you’ll want to make these delicious Lucky Charms Marshmallow Treats:

  • Quick and easy to make – Just a few simple ingredients and minimal prep time.
  • No baking required – Perfect for when you want a homemade treat without turning on the oven.
  • Nostalgic and fun – A playful twist on classic rice krispies treats that brings back childhood memories.
  • Colorful and eye-catching – The marshmallows add instant charm, making them great for parties and holidays.
  • Kid-approved – A guaranteed hit with kids and fun for them to help make.
  • Perfect for celebrations – Ideal for St. Patrick’s Day, birthdays, or school events.
  • Soft, gooey texture – That irresistible marshmallowy bite everyone loves.
  • Customizable – Easy to add sprinkles, extra marshmallows, or drizzle with chocolate.
  • Great for sharing – Makes a big batch that’s perfect for potlucks and gatherings.
  • Pure comfort food – Sweet, simple, and guaranteed to put a smile on your face.

These Lucky Charms Krispy Treats are perfect for:

  • St. Patrick’s Day celebrations for kids and adults
  • Birthday parties
  • Classroom treats or school events
  • Bake sales and fundraisers
  • Playdates and kids’ parties
  • Family movie nights
  • Potlucks and picnics
  • Baby showers or kid-friendly showers
  • Sleepovers
  • After-school snacks
  • Rainbow- or unicorn-themed parties
  • Game nights
  • Office parties or casual work events
finished lucky charms marshmallow treats on parchment paper

Ingredients

To make Lucky Charms Marshmallow Treats, you will need the following ingredients:

  • 6 tablespoons butter
  • 16 ounces marshmallows
  • 1 teaspoon vanilla
  • 6 cups Lucky Charms
  • ¼ cup Lucky Charms marshmallows, separated (optional)
ingredients for lucky charms cereal bars

Directions

To prepare Lucky Charms cereal bars, follow these simple steps:

Line a 9×13 pan with parchment paper and set aside.

On medium heat, using a medium-size pot, melt down the butter. Once melted, add half of the marshmallows and vanilla extract. Continuously stir until fully melted.

Once fully melted, turn off the heat and add the cereal.

Stir until the cereal and marshmallows are fully mixed.

Add the remaining marshmallows and stir until they are partially melted.

left: melted butter and marshmallows in a pan. right: mixing the lucky charms cereal into the melted butter and marshmallow mixture.


Pour the mixture into the prepared baking dish and press it down with a spatula or your hands.

Optional: Sprinkle with the extra Lucky Charms marshmallows.

Allow the bars to cool for an hour.

Once cooled, cut into 12 bars and serve.

NOTES:
When pouring the cereal mixture into the pan and pressing down, it may be helpful to grease your hands with oil as the process gets very sticky.

overhead shot of lucky charms marshmallow mixture pressed into a pan


Let the mixture cool for at least 30 minutes before cutting it into squares.

overhead shot of pan of cut lucky charms treats

Serving Suggestions

Lucky Charms Marshmallow Treats are perfect for any occasion and can be served in a variety of ways.

Here are some serving suggestions:

  • Pack them in your child’s lunchbox for a sweet treat at school.
  • Serve them at a birthday party or St. Patrick’s Day party.
  • Cut them into small squares and serve them as bite-sized snacks.
  • Drizzle melted chocolate over the top for a decadent twist.
  • Enjoy them as a dessert with a scoop of vanilla ice cream.
  • With just a few simple ingredients and easy steps, you can make delicious Lucky Charms Marshmallow Treats that everyone will love.
hand holding lucky charms cereal treat

Frequently Asked Questions

Storing Finished Treats

Once you have made your Lucky Charms marshmallow treats, store them in an airtight container at room temperature. This will keep them fresh for up to 5 days.

Can you freeze Lucky Charms marshmallow treats?

Yes, you can freeze Lucky Charms marshmallow treats. Place them in an airtight container (or individually wrap them) and store in the freezer for up to 6 weeks. When you are ready to eat them, let them thaw at room temperature for a few hours before serving.

Can you make Lucky Charms treats in the microwave?

Yes, you can make Lucky Charms treats in the microwave. Melt the butter and marshmallows in the microwave on high for 1-2 minutes, stirring every 30 seconds until fully melted. Then, add the cereal and mix until well combined.

Is it possible to prepare Lucky Charms treats without using marshmallows?

No, Lucky Charms treats require marshmallows to hold the cereal together. However, you can try using different types of marshmallows such as flavored or colored ones to add a unique twist to your treats.

What type of marshmallows does Lucky Charms cereal contain?

Lucky Charms cereal contains its own unique marshmallows that are shaped like various charms such as rainbows, hearts, and stars. These marshmallows are made specifically for Lucky Charms cereal and are not sold separately.

These Lucky Charms Marshmallow Treats are proof that a little nostalgia and a lot of marshmallow can turn an everyday moment into something magical. With their gooey texture and pops of colorful charm, they’re impossible not to love. Whip up a batch for a party, a special occasion, or just because you’re craving something fun and sweet. However you serve them, don’t be surprised if they disappear faster than you made them. One bite, and you’ll see why these treats are always a lucky choice!

Now that you know how to make these yummy Lucky Charms cereal treats, you might also want to check out:

plate with two lucky charms cereal bars
Yield: 12

Lucky Charms Marshmallow Treats

lucky charms marshmallow treats recipe

Quick and Easy twist on the traditional rice krispies treats - made with Lucky Charms cereal!

Prep Time 5 minutes
Cook Time 10 minutes
Additional Time 1 hour
Total Time 1 hour 15 minutes

Ingredients

  • 6 tablespoons butter
  • 16 ounces marshmallows
  • 1 teaspoon vanilla
  • 6 cups Lucky Charms cereal
  • ¼ cup Lucky Charms marshmallows (optional)

Instructions

1.Line a 9x13 pan with parchment paper and set aside.
2.On medium heat, using a medium-sized pot, melt down the butter. Once melted, add half of the marshmallows and vanilla extract. Continuously stir until fully melted.
3.Once fully melted, turn off the heat and add the cereal. Stir until the cereal and marshmallows are fully mixed. Add the remaining marshmallows and stir until they are partially melted.
4.Pour the mixture into the prepared pan and spread. Gently press down, making an even layer.
5.Sprinkle with the separated Lucky Charms marshmallows and allow the bars to cool for an hour. Once cooled, cut into 12 bars and serve.

Notes

When pouring the cereal mixture into the pan and pressing down, it may be helpful to grease your hands with oil as the process gets very sticky.



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