
Turn your favorite Cinnamon Toast Crunch cereal into sticky, crave-worthy marshmallow bars that bring all those cozy childhood vibes. With just three simple things, you get the ultimate mix of crunchy and gooey. They fit right in lunch bags, make the perfect after-school snack, or jump in whenever you want something sweet fast.
I made these bars because I wanted the marshmallow treat from my childhood but with a fun cinnamon twist. The best part? My kids tried one and instantly asked for more—total win in my book!
Irresistible Sweet Elements
- Pinch of salt: Makes the sweetness not overpowering
- Cinnamon Toast Crunch: Brings that classic cinnamon crunch
- Extra cinnamon sugar: Kicks up the spice flavor
- Fresh marshmallows: Melt the right way for the best texture
- Quality butter: Holds everything together nicely
Easy Bar How-To
- Gentle Setting:
- Press the mix into your pan softly, so the bars stay chewy and nice.
- Cereal Combination:
- Add the cereal and any extra marshmallows slowly and mix, but don’t smash it up.
- Marshmallow Integration:
- Stir in the marshmallows bit by bit, always keeping the heat low so you get a smooth finish.
- Butter Foundation:
- Melt butter over low heat, letting it get just right. Take your time here, don’t speed it up.

The trick is to take it slow with heat and be gentle when you mix so your bars stay chewy and awesome.
Best Ways to Enjoy
Tastes amazing a little warm with a cold glass of milk. Toss one in a lunch bag for fun. Or serve with a mix of other cereal bars for dessert trays.
Fun Twists
Pour some white chocolate on top if you want to make them rich. Add a shake of extra cinnamon for serious spice fans. Try colored sprinkles to make them festive for holidays.
Storage Made Easy
Keep them sealed up and they'll last a few days at room temp. Cool them in the fridge and they’ll last about a week. Freeze each one by itself and you've got treats for up to two months.

Everyone at my place loves these Cinnamon Toast Crunch bars. They’re the quick sweet you bake when you want a snack that makes both kids and grownups happy—and nothing beats that unbeatable combo of crispy and gooey.
Recipe Questions & Answers
- → How should I melt marshmallows?
- Go low and slow with heat so they don't burn.
- → How do I make cinnamon sugar?
- Just mix the same amount of cinnamon and sugar together.
- → Why keep some marshmallows aside?
- Some get melted, some stay whole. It makes each bite extra fun.
- → Should I push down hard?
- Nope, press lightly so your bars stay soft.
- → How do I store these?
- Cover them and leave on the counter.