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DessertCinnamon Toast Crunch Marshmallow Treats
Other · Dessert

Cinnamon Toast Crunch Marshmallow Treats

These Cinnamon Toast Crunch marshmallow treats are such a fun twist on a classic cereal bar. They’re buttery, gooey, and full of cinnamon sugar flavour, then finished with a white chocolate cinnamon drizzle that makes them even better.

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5m
Prep
20m
Cook
25m
Total
12
Serves
easy
Level
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Instructions

  1. Prep the pan
    Lightly grease or line a 9x13-inch baking dish with parchment paper.
  2. Melt the butter
    In a large pot over medium-low heat, melt the butter.
  3. Add the vanilla and marshmallows
    Stir in the vanilla extract, then slowly add the marshmallows. Continue stirring until the marshmallows are fully melted and smooth.
  4. Add the cereal
    Remove the pot from the heat and add the Cinnamon Toast Crunch cereal. Mix until the cereal is evenly coated in the marshmallow mixture.
  5. Press into the pan
    Transfer the mixture to the prepared 9x13 pan and gently press it into an even layer. Do not press too firmly or the bars can become dense.
  6. Cool
    Let the treats cool completely in the pan.
  7. Cut into squares
    Once cooled, cut into squares.
  8. Add the topping
    Melt the white chocolate and stir in a dash of cinnamon. Drizzle it over the squares, then let it set before serving.

About this recipe

These Cinnamon Toast Crunch marshmallow treats are one of those easy desserts that everyone loves. They take the classic marshmallow cereal bar idea and give it a fun upgrade with buttery Cinnamon Toast Crunch cereal and a simple white chocolate cinnamon drizzle on top. The result is soft, gooey, sweet, and packed with that cozy cinnamon sugar flavor that makes Cinnamon Toast Crunch so good in the first place.

What makes this recipe so special is how easy it is while still feeling a little more fun than the usual marshmallow treats. The butter and marshmallows create that perfectly chewy, sticky texture, and the cereal adds just the right crunch. Once everything cools and gets cut into squares, the white chocolate drizzle on top gives it a little extra sweetness and makes it look even prettier for serving.

This is the kind of recipe that works for parties, holiday trays, bake sales, after-school treats, or just when you want something quick and nostalgic. It comes together fast, doesn’t need the oven, and is such a good one to make when you want a low-effort dessert that still feels special. If you’re looking for an easy cereal treat recipe with a cinnamon twist, this one is such a good one to keep on repeat.

Good to know

Why you'll love it

  • The cinnamon sugar flavour makes them extra cozy and delicious
  • They come together quickly with just a few simple ingredients
  • The white chocolate drizzle gives them a pretty finished look
  • They’re great for parties, lunchbox treats, or easy desserts
  • No oven is needed, which makes them super easy

Ingredient notes

  • Salted butter: Salted butter adds richness and helps balance the sweetness of the marshmallows and cereal.
  • Marshmallows: Fresh marshmallows work best because they melt more smoothly and give the treats the best gooey texture.
  • Vanilla extract: Vanilla adds extra warmth and rounds out the sweetness.
  • Cinnamon Toast Crunch: This cereal is the star of the recipe and gives the bars their cinnamon sugar flavor and crunch.
  • White chocolate: The drizzle is optional, but it adds a little extra sweetness and makes the bars look more finished.
  • Ground cinnamon: Just a small dash mixed into the white chocolate helps tie the topping back to the cereal flavor.

Tips & tricks

  • Melt the marshmallows over medium-low heat so they stay smooth and do not scorch.
  • Stir constantly once the marshmallows are added so the mixture melts evenly.
  • Remove the pot from the heat before adding the cereal so it stays crisp.
  • Press the mixture into the pan gently, not too firmly, so the treats stay soft and chewy.
  • Grease your spatula or hands lightly if the mixture is sticking while pressing it into the pan.
  • Let the bars cool fully before cutting for cleaner squares.
  • Wait until the bars are cool before drizzling with white chocolate so the topping sets better.

Storage & make-ahead

Storage: Store the treats in an airtight container at room temperature for up to 3 days.

Make ahead: These can be made a day ahead and kept covered until ready to serve.

Freezing: They are best fresh, but you can freeze them tightly wrapped if needed. Let them thaw at room temperature before serving.

Best tip: Keep them well covered so they stay soft and do not dry out.

Frequently asked questions

Yes. They can easily be made a day in advance and stored covered at room temperature.
Yes. Either works as long as the total weight is about 20 oz.
Let them cool completely first, then use a sharp knife lightly greased if needed.
They are best within a couple of days while still soft and chewy.
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