Lucky Charms Krispie Treats

Great for St. Patrick’s Day or any day of the year, these Lucky Charms Krispie Treats are buttery, gooey, and so much fun to make!

If you love these Lucky Charms treats, try these Lucky Charms Cupcakes or this delightful Lucky Charms Latte!

Easy Lucky Charms Krispie Treats

Stack of 3 Lucky Charms Krispie Treats.

After experimenting with Fruity Pebbles Treats, it was only a matter of time before I turned my second favorite kid cereal into a tasty marshmallow bar.

St. Patrick’s Day felt like the perfect time to make these Lucky Charms Treats. They’re the perfect finish to a dinner of Slow Cooker Corned Beef and Sauerkraut or Reuben Pull Apart Bread, but theyโ€™re also a great any time of day or year treat!

This recipe is so easy to make and looks so fun with all of the different marshmallow shapes and colors.

Unsurprisingly, our kids were crazy about these, but I also couldnโ€™t resist slicing off โ€œjust one more pieceโ€ throughout the day.

Gooey Lucky Charms Bar being pulled out of the pan.

Hereโ€™s Why Youโ€™ll Love Them Too:

  • This is a no bake treat, which means you donโ€™t even have to turn on the oven!
  • They take less than 20 minutes to make! Seriously, itโ€™s one of the easiest desserts to throw together!
  • Theyโ€™re ooey gooey, soft, and sweet. Weโ€™ve discovered the secret ingredient to the best rice krispie treats, and weโ€™ll never go back!

Read on to learn how to turn every leprechaun’s favorite cereal into a fun no bake dessert!

Key Ingredients

Ingredients for Lucky Charms treats--cereal, marshmallows, sweetened condensed milk, and butter.

Lucky Charms Bars can be as easy as combining Lucky Charms, butter, and marshmallows, but a few extra ingredients make these the absolute BEST Lucky Charms Treats.

Here’s what you’ll need:

  • Butter– Salted or unsalted both work. I add a bit more salt if I use unsalted butter.
  • Sweetened condensed milk– This is the KEY to incredibly soft and gooey cereal treats!
  • Kosher salt- A pinch of salt balances the flavors and actually brings out the sweetness of the marshmallows.
  • Vanilla– Just a splash adds that extra bit of flavor that sets these treats apart.
  • Mini marshmallows– You can use regular marshmallows if thatโ€™s what you have on hand, but we find the mini kind melts best.
  • Lucky Charms cereal- Of course, youโ€™ll need a box of Lucky Charms cereal to make these.

How to Make Lucky Charms Krispie Treats

Step 1: Melt butter and condensed milk. Melt the butter in a large pot on the stove over medium heat. Stir in the condensed milk and cook until just starting to bubble, 1-2 minutes.

Step 2: Stir in salt, vanilla, and marshmallows. Add the salt and vanilla extract, then stir in 6 cups of marshmallows. Reduce the heat to low and cook, stirring often, until the marshmallows are just melted.

Wooden spoon stirring marshmallows melted into butter and sweetened condensed milk in a pot.

Step 3: Add cereal. Stir in the cereal along with the last cup of marshmallows. Stir gently until well coated. Transfer to a greased pan and cool before cutting.

Tip: Reserve a few of the marshmallows before adding them to the pot, then gently spread them on top of the finished bars for extra colorful treats. You can also buy a bag of Lucky Charms marshmallows here.

Pan of Lucky Charms Treats.

How to Keep Cereal Treats Soft and Gooey

  • Add sweetened condensed milk. The condensed milk adds a sweetness reminiscent of the milk left at the bottom of a bowl of Lucky Charms. Plus, it helps keep the treats soft!
  • Add a handful of mini marshmallows at the end. I like to add about a cup of mallows with the cereal that won’t quite melt all the way. This leaves lovely little pockets of gooey marshmallow in the treats.
  • Don’t pat the treats down. I know it’s tempting to push the treats down into the pan, but please resist this urge! Patting the mixture down leads to hard, dense treats. Instead, spray your hands with cooking spray and use them to gently spread the treats evenly out over the pan. No need to press them down.
Hand pulling a Lucky Charms Krispies Treat away from the pan, leaving strings of gooey marshmallow behind.

Storage and Make Ahead Instructions

Lucky Charms Rice Krispie Treats are best served within 24 hours, but thanks to the sweetened condensed milk, theyโ€™ll last for 2-3 days.

Store cereal treats in a sealed container or tightly wrapped in saran wrap. Do not refrigerate.

Freshly made Lucky Charms cereal bars.

FAQs

Are Lucky Charms Treats gluten free?

Yes! One of the best things about these treats is that theyโ€™re naturally gluten free! The General Millโ€™s brand of Lucky Charms is gluten free. Some of their specialty flavors might not be gluten free, so be sure to always check labels before making the recipe.

Can you use big marshmallows to make krispie treats?

Yes, you can. Theyโ€™ll take a little longer to melt, but theyโ€™ll work just fine. However, you canโ€™t add them at the end like the mini marshmallows, so just omit that step in the recipe if you use regular marshmallows.

Hand holding a Lucky Charms treat.

More Easy No Bake Desserts to Try

Stack of 3 Lucky Charms Krispie Treats.

Lucky Charms Krispie Treats

Yield: 12 bars
Cook Time: 10 minutes
Total Time: 10 minutes

Gooey Lucky Charms Treats are a perfect no bake treat for the whole family! Celebrate St. Patrick's Day or any day with these fun and easy marshmallow treats!

Ingredients

  • 5 Tablespoons salted butter
  • 1/4 cup sweetened condensed milk
  • Pinch Kosher salt
  • Splash vanilla extract
  • 7 cups mini marshmallows, divided *SEE NOTES
  • 6 1/2 cups Lucky Charms cereal
  • Sprinkles (optional)

Instructions

  1. Spray an 8 x 8 or 9 x 9 square baking pan with cooking spray. Set aside.
  2. Heat a large pot over medium heat. Add the butter and melt. Stir in the sweetened condensed milk and cook until bubbly, about 1-2 minutes. Stir in the salt and vanilla.
  3. Lower the heat then add 6 cups of the marshmallows and cook, stirring often and scraping the bottom of the pan, until melted.
  4. Remove from heat, then stir in the Lucky Charms along with the last cup of mini mallows. Stir together until well coated.
  5. Immediately transfer to the prepared pan. Spray your hands with cooking spray to gently and evenly spread out the mixture. Do not pat down! Allow to cool before slicing and serving.

Notes

  • This makes 12 very thick Lucky Charms treats. If you prefer thinner treats, feel free to put this in a 9 x 13 inch pan.
  • A 10 ounce bag of marshmallows contains 6 cups. The final cup of marshmallows can be omitted if you only have a 10 ounce bag!
  • If desired, save a few of the marshmallows from the Lucky Charms before adding them to the melted marshmallow perspective. Press them gently on top of the finished bars for extra colorful treats.

Nutrition Information:
Yield: 12 Serving Size: 1
Amount Per Serving: Calories: 233Total Fat: 6gSaturated Fat: 4gTrans Fat: 0gUnsaturated Fat: 2gCholesterol: 15mgSodium: 207mgCarbohydrates: 43gFiber: 1gSugar: 27gProtein: 3g

Please note nutritional information for my recipes is calculated by a third party service and provided as a courtesy to my readers. For the most accurate calculation, I always recommend running the numbers yourself with the specific products you use.

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