Lucky Charms bars are a fun spin on the classic marshmallow treat. Pair them with rainbow fruit sticks for a magical afternoon snack.

Spring is the perfect time to add a little fun to snack time with rainbow and magic-themed treats! Not only is St. Patrick’s Day in March, but there is also Find a Rainbow Day in April, and Fairy Day in June. Not to mention any birthdays or special occasions. For those days that call for a little extra fun, try Lucky Charms bars!
Lucky Charms bars are such a fun treat! All of the little colorful marshmallows in the cereal make them look so festive. They are made similarly to Rice Krispie treats. That means very little prep and creation time. Spend a few minutes creating a batch and add some magic to your day! Pair them with a few rainbow fruit sticks for even more fun.

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How to Make Lucky Charms Bars
Ingredients
- 10 oz Lucky Charms cereal
- 10 oz small marshmallows
- 2 tbsp salted butter

Making the Cereal Bars
First, melt 10 oz of small marshmallows and 2 tablespoons of salted butter in a large microwave-safe bowl. Heat the bowl in 45-second increments. Be sure to stir each time you remove the bowl from the microwave. Another option is to heat the marshmallows and butter on the stovetop. I prefer the microwave because it’s faster. Since my goal with fun treats is to keep them easy for me, the fast option usually wins.

Next, stir in 10 oz of Lucky Charms cereal. Stir until all of the cereal is thoroughly coated in melted marshmallows. If at any time the mixture becomes too hard to stir, simply pop it back in the microwave. Heat it for 15-30 seconds. Then continue mixing.
Once all of the cereal is coated in marshmallows, pour the mixture into a 9×13 baking pan. Either coat the pan in butter, non-stick cooking spray, or a layer of parchment paper. I prefer parchment paper because it keeps the number of dishes to a minimum. Press the mixture into the pan using a silicone spatula. Fill in all the corners and edges! If the mixture becomes too hard to press, run the spatula under hot water. The heat softens the marshmallow mixture, which makes it more pliable.

Sprinkle the top of the Lucky Charms bars with extra cereal. Add in some fun rainbow sprinkles too! Then, allow the cereal treats to set for at least 2 hours. The marshmallows need to be completely cool. This makes cutting the treats easier!
A Tip for Cutting Marshmallow Treats
Here’s a tip for cutting any treats made with melted marshmallows! Heat a mug of water in the microwave for 1-2 minutes. Then, dip a butter knife into the hot water. Wipe any excess water from the knife. Use the heated knife to cut through the treats. The heat slightly melts the marshmallows again. This makes them more pliable and easier to cut without sticking.

How to Make Rainbow Fruit Sticks
Gather different fruits that are red, orange, yellow, green, blue, and purple. You don’t have to use all of the colors of the rainbow. Use as many as you want. Or whatever fruit you already have on hand. You also need wooden skewers or lollipop sticks. Lollipop sticks are available in the baking section of most craft stores. They are definitely the safer option for smaller children.

To make the rainbow fruit sticks, cut the fruit into small chunks. Then slide each piece of fruit onto the stick. That’s it! I told you this snack was so easy! I used strawberries, oranges, pineapple, kiwi, and blueberries to make these fruit sticks.

For a little extra fun, add large marshmallows to the ends to represent clouds. But that’s totally optional!
A fun treat or snack is a simple way to add a little magic to an afternoon. And adding a little fun doesn’t have to mean adding a lot of work to your plate. An extra few minutes is sometimes all you need! Give these Lucky Charms bars and rainbow fruit sticks a try and add a little magic to the day.

Lucky Charms Bars
Equipment
- 1 large microwave-safe bowl
- 1 9×13 baking pan
- 1 silicone spatula
Ingredients
- 10 oz small marshmallows
- 2 tbsp salted butter
- 10 oz Lucky Charms cereal
Instructions
- Melt 10 oz of small marshmallows and 2 tablespoons of salted butter in a large microwave-safe bowl in 45-second increments.
- Stir the mixture every 45 seconds until completely melted.
- Stir in 10 oz of Lucky Charms cereal.
- Mix until all of the cereal is thoroughly coated in melted marshmallows.
- Pour the mixture into a 9×13 baking pan lined with parchment paper.
- Press the mixture into the pan using a silicone spatula.
- Add extra cereal or rainbow sprinkles on top.
- Allow treats to cool for at least 2 hours.
- Cut into squares using a butter knife.
Oh these sound so fun! I bet my son would LOVE THEM!
I love the rainbow fruit stick! I have a party coming up this weekend and I just might bring these! Thanks for the idea.
This post simultaneously makes me SO HAPPY and makes me want to cry haha. Lucky Charms has been my favorite cereal for my entire life – but I’m allergic to oats and can no longer eat them, which is super sad. I’ve found a few alternatives (like the Frosted Flakes Lucky Charms with corn flakes and mallows instead of oat puffs) but they probably wouldn’t make the best bars haha. I might just buy a bag of the marshmallows at some point and add them to the other cereals I can have haha!
Wow, these look so yummy! Definitely will have to be something I make with my nephews!