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Marshmallow Frosted Flakes Bars

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Rice Krispie Treats were one of my all-time favorite desserts as a kid, and they still are to this day! My mom would make them for us kids for a special after-school treat, and it was such a wonderful surprise.

They were always my go-to choice when I had to bring a treat for class or a bake sale. You could say I’m a true fan.

I’ve never thought about using another cereal instead of Rice Krispies, but after making these, I realized I’ve been missing out!

These are super crunchy, have the perfect balance of salty and sweet, are so easy to whip up in just a few minutes, and are perfect for parties, bake sales, or a just-because sweet treat.

I was a bit concerned that the frosted flakes would get a bit soft after mixing it with the marshmallow mixture, but the crunchiness held up!

I cut these bars slightly larger, thus yielding 12 bars instead of 16, because who wants a tiny cereal treat?! I sure don’t! But, feel free to cut them smaller or larger depending on who you are serving or what your preference is. 

Some kitchen items that you will need for this recipe are a semi-large pot, a 9×13 baking dish, parchment paper, and a sturdy spoon. Get ready for a little arm workout!

What Butter Should I Use?

Did you know that European butter has a higher fat content than American butter?

Higher fat content equals more flavor, so I decided to go with Kerrygold’s Pure Irish Butter. It’s delicious in flavor and texture and has a beautiful gold color to it. 

I would also recommend going with the salted butter on this one, it really balances out the sweetness of the frosted flakes. 

What Size Marshmallows Are Best?

Now, any size marshmallows will obviously work, BUT the smaller marshmallows will melt much more quickly, creating less arm-burning stir time.

I have also noticed that regular marshmallows versus vegan ones melt easier too. 

What If I Want This Recipe To Be A Little Less Sweet? 

While most of us have a pretty serious sweet tooth, if you’re looking for something a little less sugary, you can swap out the frosted flakes for regular corn flakes.

If you decide to make the swap, I would also consider using unsalted butter with just a pinch of salt instead of the fully salted butter. 

How Long Will They Keep?

Your cereal bars should last up to a week in a lidded container, but I’ll make a bet and say they won’t last that long without being eaten! Line the bottom of the container with parchment paper so they don’t stick.

Are Frosted Flakes Gluten-Free?

Unfortunately, no, Frosted Flakes are not gluten-free. They are coated in malt flavoring which contains gluten.

There are some brands that make gluten-free corn flakes, however, so that is a great option, if need be. Just refer to the section about making the recipe less sweet for the cornflake recipe instructions. 

Can I Turn This Into A Vegan Recipe?

I know quite a few dairy-free families, and no one should have to go without marshmallow cereal bars! Miyoko’s cultured vegan butter is my recommended butter replacement and vegan marshmallows are at most grocery stores. 

How To Make Marshmallow Frosted Flakes Bars

Step 1

Assemble your ingredients.

Grease a 9×13 baking dish with some softened butter and then line with parchment paper. Set aside.

Step 2

Place a large pot on the stove on medium heat. Start melting the butter and slowly add your marshmallows.

Step 3

Stir until all the marshmallows are about 90% melted, then take the pot off the heat and mix until all the mallows are melted. This ensures that the mixture doesn’t burn.

It should look like a big pot of marshmallow fluff when you are done.

Step 4

Pour the cereal in the pot and mix until all the marshmallow mixture and cereal is evenly incorporated 

Step 5

Spread the mixture evenly into your pan and let the bars set for 1 hour to cool. Cut into 12 bars and store in a lidded container. 

Marshmallow Frosted Flakes Bars

Marshmallow Frosted Flakes Bars

Yield: 12
Prep Time: 10 minutes
Cook Time: 30 minutes
Total Time: 40 minutes

These marshmallow Frosted Flakes bars are the perfect sweet treat to accompany any party you have!

Ingredients

  • 4 tbsp salted butter
  • 1 bag (10oz) mini marshmallows
  • 6 cups frosted flakes

Instructions

  1. Assemble your ingredients.
  2. Grease a 9x13 baking dish with some softened butter and then line with parchment paper. Set aside. 
  3. Place a large pot on the stove on medium heat. Start melting the butter and slowly add your marshmallows. Stir until all the marshmallows are about 90% melted, then take the pot off the heat and mix until all the mallows are melted. This ensures that the mixture doesn't burn. It should look like a big pot of marshmallow fluff when you are done.
  4. Pour the cereal in the pot and mix until all the marshmallow mixture and cereal is evenly incorporated 
  5. Spread the mixture evenly into your pan and let the bars set for 1 hour to cool. Cut into 12 bars and store in a lidded container. 
Nutrition Information:
Yield: 12 Serving Size: 1
Amount Per Serving: Calories: 112Total Fat: 4gSaturated Fat: 3gTrans Fat: 0gUnsaturated Fat: 1gCholesterol: 10mgSodium: 127mgCarbohydrates: 19gFiber: 0gSugar: 8gProtein: 1g

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