Do you love the sweet, marshmallow goodness of Lucky Charms cereal? Why not take your love for this iconic breakfast cereal to the next level by making some Lucky Charms cereal treat bars?

Lucky Charms Cereal Treat Bars. Looking for a fun and easy-to-make treat that will transport you back to your childhood? Check out this Lucky Charms Cereal Treat Bars recipe! Loaded with the irresistible combination of crunchy Lucky Charms cereal and gooey marshmallow goodness, these bars are the perfect sweet snack or dessert for any occasion.

What are Lucky Charms Cereal Treat Bars? Well, think rice krispie treats, but swap out the rice cereal. Not only are these bars are a fun and delicious treat that both kids and adults will enjoy. They are easy to make and require just a few simple ingredients.

Lucky Charms Cereal Treat Bars

Lucky Charms Cereal Treat Bars ingredients.

Ingredients for Lucky Charms Cereal Treat Bars:

  • Box of Lucky Charms Cereal (small 10.5 size box is fine), will need 6 cups of cereal or 4 cups Lucky Charms if adding Rice Krispies (2 cups)
  • 1 10oz. bag mini marshmallow
  • 1/4 cup unsalted butter
  • 1/4 to 1/3 cup Lucky Charms marshmallows – pick out additional marshmallows to top the treats
  • optional – 1 cup of Rice Krispies
  • optional – 1 1/2 tsp. of any type of nonpareil rainbow sprinkles

Equipment needed to make Lucky Charms Cereal Treat Bars:

  • 8″x8″ baking pan
  • Spatula or spoon for mixing the treats
  • Gloves – I use food-safe gloves to compress the cereal bars, but a spatula or spoon can be used
  • Parchment paper for lining the baking pan or spray pan with cooking spray

How to Make Lucky Charms Cereal Treat Bars:

Melting butter for marshmallow lucky charms cereal treat bars.

Step 1. In a large pot, melt 1/4 cup butter and 5 cups of mini marshmallows over medium-low. Once the butter starts to melt, continuously stir it so it doesn’t burn. Then, when the marshmallows are completely melted, immediately turn off the heat.

Add cereal to melted marshmallow mixture.
Shown with Lucky Charms and Rice Krispies.

Step 2. To the pot, add in the 6 cups Lucky Charms cereal OR 4 cups Lucky Charms and 2 cups Rice Krispies (this is our preferred mix). Quickly stir until all the cereal is coated in the melted marshmallow mixture. Do not overmix as the Lucky Charms marshmallows will start to melt.

Measuring the Cereal

These bars are gooey and crunchy. Make sure the cereal is level with the measuring cup or line. Using too much cereal will create a dry, hard, and dense cereal bar. Note: If you feel like it’s too gooey, add 1/4 cup more cereal until you get the consistency you prefer.

Shape Lucky Charm Treat Bars into 9"x9" pan.

Step 3. Pour mixture into an or 8″x8″ prepared pan. Spread mixture evenly in pan and slightly compress (do not overly compress or the treats will be too hard) with a spatula or gloved hand (spray glove with cooking spray). As shown, I used a parchment-lined 9″x13″ pan to compress and shape the mixture to a 9″x8″ size.

Can I substitute pan size?

Using an 8″x8″ pan will create a bar that is slightly thicker than an inch. A 9″x13″ can also be used if you shape the mixture to a 9″x8″ size This should also result in 1″ high treat bars, which are perfect for kids to bite into.

Decorate top of Lucky Charms Cereal Treat Bars with additional Lucky Charms marshmallows and sprinkles.

Step 4. Optional – Before the cereal treats cool and while still sticky, top with an additional 1/4 cup Lucky Charm marshmallows and 1 1/2 tsp. of rainbow nonpareil sprinkles.

Cut Lucky Charm Cereal Bars into 12 pieces.

Step 5. Let the bars completely cool before cutting into 12 pieces. Enjoy!

How to Store

Best results: Store leftover treats in an airtight container at room temperature for up to 3 days.
If you must store for longer, place the airtight container in the fridge for up to 10 days. Let the treats sit for a few minutes at temperature to soften a bit before eating. These can be frozen if wrapped individually in parchment and plastic wrap. Keep in a freezer bag for up to 2 months.

I hope you and your family enjoy these Lucky Charm Cereal Treat Bars as much as my family does. These Lucky Charms cereal bars are perfect for a quick snack, lunchbox treat, or even a dessert for a St. Patrick’s Day celebration. They are a great way to indulge in the nostalgia of your favorite childhood cereal while enjoying a homemade treat. Give this recipe a try and enjoy the sweet and crunchy goodness of Lucky Charms in a whole new way!

Lucky Charms Cereal Treat Bars

Yield: 12
Prep Time: 5 minutes
Cook Time: 10 minutes
Additional Time: 20 minutes
Total Time: 35 minutes

A fun and easy-to-make treat that will bring back the nostalgia of your favorite childhood cereal. These bars are loaded with the irresistible combination of crunchy Lucky Charms cereal and gooey marshmallow goodness.

Ingredients

  • 1 - 10.5 ounce Box of Lucky Charms Cereal, will need 6 cups of cereal or 4 cups if adding Rice Krispies (2 cups)
  • 1 - 10oz. bag mini marshmallow, measure out 4 cups
  • 1/4 cup unsalted butter
  • 1/4 cup Lucky Charms marshmallows – pick out additional marshmallows to top the treats
  • optional – 1 cup of Rice Krispies If combining with Lucky Charm cereal
  • optional – 1 1/2 tsp. of any type of nonpareil rainbow sprinkles, for topping

Instructions

    1. In a large pot, melt 1/4 cup butter and 4 cups of mini marshmallows over medium-low. Once the butter melts, continuously stir it so it doesn’t burn (don't walk away).* Then, when the marshmallows are completely melted, immediately turn off the heat.
    2. To the pot, add the 6 cups Lucky Charms cereal OR 4 cups Lucky Charms and 2 cups Rice Krispies.* Quickly stir until all the cereal is coated in the melted marshmallow mixture. Do not overmix or the Lucky Charms marshmallows will start to melt.
    3. Pour mixture into an 8″x8″ prepared pan.* Spread mixture evenly in pan and slightly compress (do not overly compress or the treats will be too hard) with a spatula or gloved hand (spray glove with cooking spray).
    4. Optional – Before the cereal treats cool and while still sticky, top with an additional 1/4 cup Lucky Charm marshmallows and 1 1/2 tsp. of rainbow nonpareil sprinkles.
    5. Let the bars completely cool before cutting them into 12 pieces. Enjoy! See notes for storage.

Notes

  • Melting the butter and marshmallow: Once the butter starts to melt, do not walk away. This mixture can easily burn and should be continuously stirred until the butter and marshmallows are melted.
  • These bars are gooey and crunchy. Make sure the cereal is level with the measuring cup or line. Using too much cereal will create a dry, hard, and dense cereal bar. Note: If you feel like it's too gooey, add 1/4 cup more cereal until you get the consistency you prefer.
  • If you don't have an 8"x8" pan, use a 9"x13" pan. Spray cooking spray onto a glove, spatula, or wax paper to help shape the cereal into a 9"x8" square. Using an 8"x8" pan will create a bar that is slightly thicker than an inch. A 9"x13" can also be used if you shape the mixture to a 9"x8" size This should also result in 1" high treat bars, which are perfect for kids to bite into.
  • Store in an airtight container at room temperature for up to 3 days. Store in an airtight container in the fridge for up to 7 days.

Did you make this recipe?

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