These Lucky Charms bars are a magical combination of soft, gooey marshmallows and the iconic Lucky Charms cereal. It's a dreamy, colorful treat that enchants with every bite and perfect when you want a change up from the traditional rice krispie treats.

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These Lucky Charms bars are not just a treat but a blast from the past, back to the playful breakfasts of our childhood. Easy to make, incredibly delicious, and fun to look at, these Lucky Charms Cereal Bars are perfect for any occasion, be it a casual snack or a festive party.
The Lucky Charm treats are a creative twist on the classic cereal and marshmallow bar. These fun cereal bars are particularly popular for children's parties, family gatherings, and even as a fun dessert for themed events.
This is a playful take on the traditional Rice Krispie Treat, incorporating the iconic and colorful Lucky Charms cereal.
I personally love these for a St. Patrick's Day treat. And if you like these, make sure to check out our Lucky Charm cupcakes and our pot of gold cupcakes.
What You'll Love About This Recipe
- Simple Ingredients: Requires basic ingredients found in most kitchens.
- No Baking Required: Easy to make without the need for an oven.
- Kid-Friendly: A hit with children due to their colorful appearance and sweet taste.
- Portable: These make for an easily portable treat, perfect for lunch boxes or as a breakfast treat.
- Perfect for Parties: Visually appealing, making them a great party snack.
- Nostalgic Flavor: Brings back childhood memories with every bite.
Ingredients

Butter: This is the starting point of your marshmallow mix. Using unsalted butter is best as it lets you control the sweetness of the bars.
Marshmallows: These are the key to getting that gooey, sticky texture that holds the bars together. Fresh, soft marshmallows work best for melting.
Vanilla Extract: Just a teaspoon adds a lovely hint of rich flavor. It's a small addition but makes a big difference in taste.
Lucky Charms Cereal: The main star of this recipe! This cereal gives the bars their fun colors and delicious taste. Make sure your cereal is fresh and crunchy for the best texture in your bars.
Extra Lucky Charms Marshmallows: For sprinkling on top, these add a bit more sweetness and make the bars look even more exciting and fun.
Equipment
- 9x13 Pan: Ideal size for setting the bars. A glass or metal pan works fine.
- Parchment Paper: For lining the pan and ensuring easy removal of the bars.
- Medium Size Pot: For melting the butter and marshmallows.
- Spatula: For stirring and spreading the mixture. Silicone spatulas work best.
Instructions
Begin by lining your 9x13-inch baking pan with parchment paper. This step is crucial as it will make it much easier to remove the bars once they're set, and also simplifies cleaning up afterwards.
In a medium-sized pot, heat it over medium heat. Then, add 6 tablespoons of butter. Keep an eye on the butter and stir occasionally, ensuring it melts evenly without burning. This is the base for your marshmallow mixture.
When the butter is completely melted, add half of the 16 ounces of marshmallows and a teaspoon of vanilla extract.

Stir the mixture constantly. This constant stirring is important to prevent the marshmallows from sticking to the pot and burning. Continue until the marshmallows have completely melted and the mixture is smooth.
Turn off the heat under the pot. This is to ensure that your cereal doesn't get too soggy. Now, gently fold in 6 cups of Lucky Charms cereal. Make sure the cereal is evenly coated with the marshmallow mixture.
Then, stir in the remaining marshmallows until they start to melt. This creates pockets of gooey marshmallow throughout the bars.

Pour the mixture into your prepared pan. Spread it evenly across the pan, pressing down gently. If the mixture is sticking to your spatula or hands, a little trick is to lightly grease them with a bit of butter or oil. This helps in creating an even layer without the mess.
Sprinkle ¼ cup of extra Lucky Charms marshmallows on top. This not only adds to the flavor but also makes the bars look more appealing.

Let the bars cool and set for about an hour at room temperature. This patience is key! It ensures the bars are firm enough to cut and hold their shape.
Once the bars have cooled and set, use a sharp knife to cut them into 12 even pieces.

Cutting the bars into uniform sizes makes them easier to serve and eat. Now, your Lucky Charms Cereal Bars are ready to be enjoyed!


Top Tips
Lightly grease your hands or spatula with butter or oil before pressing the mixture into the pan. This simple step prevents goopy sticking, ensuring a smooth, even layer of bars and making the process much cleaner and easier. Trust me, you'll appreciate this extra step!
Substitutions
Butter Substitute: Margarine can be used in place of butter for a slightly different flavor.
Different Cereals: Experiment with other cereals for a variety of flavors and textures.
Variations
- Chocolate Drizzle: Add a drizzle of melted chocolate on top for a decadent twist.
- Nutty Charm: Mix in chopped nuts like almonds or pecans for added crunch.
- Fruity Fun: Incorporate dried fruits like cranberries or raisins for a fruity variation.

Storage Instructions
Have leftover cereal bars to store? Here's how:
Room Temperature: Store the bars in an airtight container at room temperature. They'll stay fresh and tasty for about 2-3 days. This is a great option if you're planning to eat them quickly.
In the Fridge: If you want to keep them fresh a bit longer, you can store them in the fridge. Place them in a container with a tight lid, and they'll be good for up to a week. The cold will keep them a bit firmer, but they're still delicious.
Freezing: You can even freeze these bars! Wrap them individually in plastic wrap and then put them in a freezer bag. They can last for a couple of months in the freezer. When you're ready to eat one, just take it out and let it thaw at room temperature. They're great for a make-ahead treat.
Reheating: If your bars have gotten a bit too hard, you can gently warm them in the microwave for a few seconds. Just be careful not to overheat them, as the marshmallows can get too gooey.
Recipe
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Lucky Charms Bars
Ingredients
- 6 tablespoons butter
- 16 ounces marshmallows
- 1 teaspoon vanilla extract
- 6 cups lucky charms
- ¼ cup lucky charms marshmallows
Instructions
- Line a 9x13-inch pan with parchment paper.
- In a medium pot on medium heat, melt the butter. Then, add half of the marshmallows and vanilla extract, stirring continuously until the marshmallows are completely melted.
- Turn off the heat and mix in the cereal until well combined with the marshmallow mixture. Stir in the remaining marshmallows until they are just starting to melt.
- Pour the mixture into the prepared pan, spreading it out evenly. Press down gently to form an even layer.
- Sprinkle additional marshmallows on top and let the bars cool for about an hour. Once cooled, cut into 12 bars and serve.
Notes
Nutrition

FAQs
Yes, you definitely can. While Lucky Charms give these bars their signature look and taste, you can experiment with other cereals to change up the flavor and texture. Try using cereals like Fruity Pebbles for a fruity twist or Cocoa Puffs for a chocolatey version. Just keep in mind that the texture and sweetness of the bars will vary depending on the cereal you choose.
Vanilla extract is not mandatory, but it adds a subtle richness to the flavor profile of the bars. If you don't have vanilla extract or prefer not to use it, you can omit it without drastically altering the overall taste. Alternatively, almond extract can be used for a different but equally delicious flavor.
Lucky Charms Bars stay fresh and delicious for different lengths of time depending on how you store them. At room temperature in an airtight container, they'll last for 2-3 days. In the fridge, they can last up to a week, and if you decide to freeze them, they can last a couple of months. The key is to keep them in an airtight container to maintain their freshness and texture.
It's highly recommended to line the pan with parchment paper for ease of removal and cutting of the bars. The parchment paper prevents sticking and makes it much simpler to lift the entire batch out of the pan once they're set. If you don't have parchment paper, you can grease the pan, but the bars might be more challenging to remove neatly.
For the best results, wait until the bars have completely cooled and set. Use a sharp knife to cut them, and if the knife gets sticky, you can lightly grease it with oil or rinse it with hot water between cuts. This will help you get clean, even slices. Cutting them into uniform sizes makes them easier to serve and more enjoyable to eat.


















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