Key Lime Crispy Bars with Toasted Marshmallow Cream {Gluten Free} (Guest Post)

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A refreshing no-bake gluten-free marshmallow treat that is easy to make and perfect for a summer sweet tooth!  Topped off with a toasted marshmallow cream, these aren’t your typical marshmallow treats!

Key Lime Krispie Bars 2

Well, we are off to Hawaii tomorrow for our vacation.  I couldn’t be more excited!  This is the longest vacation I’ve taken since starting Keep It Sweet Desserts, and that is giving me a little anxiety.  However, my plan is to zone out as much of the real-life stress as possible and just soak up the Hawaii sunshine and relax for 8 days.  In all of the pre-vacation craze, my awesome sister offered to take a little work off my hands and guest blog for me today!  The soon-to-be Harvard student made a twist on one of her favorite no-bake treats that I think you will enjoy!  Thanks, Jess!!!

Key Lime Krispie Bars 1

I’m not a big dessert person. Chocolate-y things don’t really do it for me, and I don’t ever “crave” sugar. Having said that, though, there are a couple of sweets that I LOVE. 1) Anything to do with marshmallows and 2) Anything to do with Key Lime. Since I am gluten free, S’MORES are a no-go and key lime pie just isn’t the same when you take away the crust. So when I found these key lime marshmallows in my local Walmart, and the new gluten free Vanilla Chex Cereal, I knew what I had to do. I had to make key lime rice crispy treats. And so I did.

Key Lime Krispie Bars 3

Like all rice crispy treat recipes, this is super simple, and all I did was substitute Rice Krispies cereal for Vanilla Chex.

I wasn’t happy with the slime-green color of my crispy bars, so I decided to make a marshmallow cream to drizzle over it. Enter: toasted marshmallow cream.

The best part about these is that there is no waiting involved. Enjoy and happy eating.

Key Lime Crispy Bars with Toasted Marshmallow Cream {Gluten Free}

Serves 24


4 Tablespoons of butter (or margarine), divided
2 cups plain marshmallows
2 cups key lime marshmallows
6 cups gluten-free Vanilla Chex Cereal
1 ½ cups Marshmallow Fluff


Spray a 13 x 9 pan with baking spray and set aside
Melt 3  tablespoons of butter in large saucepan over low heat; add Marshmallows and stir until completely melted; remove from heat
Add Chex and stir until coated
Press cereal and marshmallow mixture into prepared baking pan
In the same saucepan, melt 1 tablespoon butter with Marshmallow Fluff; stir until thin and creamy
Pour Fluff mixture over cereal
Cut and serve


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6 Responses to “Key Lime Crispy Bars with Toasted Marshmallow Cream {Gluten Free} (Guest Post)”

  1. Erin @ The Spiffy Cookie August 12, 2013 at 2:24 pm #

    I saw those marshmallows recently, love what you made with them!

  2. Sues August 12, 2013 at 3:41 pm #

    I’ve been obsessed with key lime lately, but key lime marshmallows?? I had no idea! This is such a fun, creative dessert idea!

  3. Nutmeg Nanny August 12, 2013 at 11:28 pm #

    Oh my goodness! This little dessert is so smart :) I have to try this!

  4. Sarah | The Sugar Hit August 13, 2013 at 1:17 am #

    That green colour would be pretty perfect for halloween! These sound delish.

  5. Joanne August 13, 2013 at 6:42 am #

    whoa! Somehow I’ve never thought to use different-flavored marshmallows to do different twists on crispy cereal bars! Genius.

  6. Ashley Bee (Quarter Life Crisis Cuisine) August 20, 2013 at 1:25 pm #

    I’ve never seen key lime flavor before… very cool!

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