caramel cornflake bars;

November 14, 2025Katie
Caramel cornflake bars stacked on a plate
caramel cornflake bars;
Chewy caramel marshmallow cornflake bars are similar to rice krispies treats, but with extra crunch and caramel flavor. Topped with a thin layer of chocolate and sprinkled with flaky sea salt.
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Caramel cornflake bars stacked on a pile of cornflakes

These caramel cornflake bars are gooey, crunchy, and chocolatey. All you could ever want in a dessert bar! Think Rice Krispies treats, but with big flaky cornflakes and extra caramel goodness! When you bite into a bar, the cornflakes are crispy and the marshmallow holding it together is gooey. And of course, a thin layer of chocolate on top makes the whole thing come together.

Caramel cornflake bars stacked on a pile of cornflakes

The first time I made these caramel cornflake bars, it was really just to use up some random odds and in my pantry. Slightly stale cornflakes and homemade caramel crunch marshmallows. I just kinda made it up as I went along, but guys, they were so good. So good I contemplated whipping up another batch the next week.

But whipping up a batch of homemade marshmallows takes a little elbow grease and dedication. Homemade caramel crunch marshmallows are honestly my favorite flavor I’ve made, but it does require a couple of special ingredients on top of the standard marshmallow recipe. And then you have to wait for them to set.

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I can’t leave you out to dry if you or I just aren’t up for whipping up from-scratch marshmallows, can I?? So I did a little recon, and put together the recipe with standard store-bought marshmallows so we don’t gatekeep these delicious caramel cornflake bars.

Caramel cornflake bars covered in chocolate

In a perfect world on a perfect day, I would always make my own caramel crunch marshmallows. They have two kinds of caramel (toffee bits and caramel throughout). But honestly, time is a fickle resource these days.

To get the caramel flavor without homemade marshmallows, add marzetti caramel dip to the melted marshmallows. We can’t add too much, though, or it will affect the texture of the bars when they set. That’s why the caramel crunch marshmallows shine a tiny bit more—since the caramel is cooked into them, you get a more concentrated caramel flavor.

Homemade caramel crunch marshmallows make the caramel flavor shine, but there’s a quick dump and go recipe that doesn’t require mallows made from scratch!

Secret to success;

When it comes to the cornflakes, there’s really not much science here. As I mentioned, this recipe was born of slightly stale cornflakes, and they held up just fine. In fact, caramel cornflake bars were about the most delicious thing to use them for.

Caramel cornflake bars arranged on a plate

I will mention that all the times I’ve made these, I used gluten-free cornflakes. I don’t know if all cornflakes are naturally gluten-free or not, but I’ve used both name-brand and store-brand cornflakes and again, can’t tell the difference. Somehow coating everything in chewy sugar and a smear of chocolate doesn’t leave much error to the cornflakes.

Gluten-free cornflakes can help the bars stay crisp for multiple days.

Secret to success;
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I do think gluten-free may help a little bit with the crunch. Typically, gluten-free starches are drier and resist getting soggy a bit better than their traditional flour counterparts. So it works great in caramel cornflake bars because the crunch really stays crisp even for multiple days.

Of course, I had to add chocolate to tie it all together. It helps cut easy squares and holds everything together nicely. Uhm, and did I mention—it’s delicious! Since chocolate is so expensive these days, I didn’t use any fancy chocolate. Just plain old chocolate chips. When I melt chocolate chips to make them spreadable, I usually add a tiny bit of fat to help the melting. Butter works well, or coconut oil. I typically reach for coconut oil, but a few folks have coconut sensitivities so in those cases I use butter.

Caramel cornflake bars with a bite taken out

I melt my chocolate chips in the microwave. Add the chips and the fat and microwave on 15-20 second increments stirring between each. When the majority of the chocolate is melted but a few lumps remain, remove it from the microwave. Stir until the residual heat melts those last few lumps. I always prefer this method to make sure my chocolate melts smoothly. It’s sometimes easy to overheat your chocolate in the microwave and have the chocolate seize.

Flaky salt is optional, but highly recommended!

secret to success

And of course, I had to sprinkle flaky salt on top. I find the salt makes the caramel cornflake bars pop. Of course, you could leave it off if you prefer, or add an extra swirl or two of caramel.

secrets to success;

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Caramel cornflake bars stacked on a pile of cornflakes

caramel cornflake bars;

Chewy caramel marshmallow cornflake bars are similar to rice krispies treats, but with extra crunch and caramel flavor. Topped with a thin layer of chocolate and sprinkled with flaky sea salt.
Prep Time: 20 minutes
Cook Time: 8 minutes
Total Time: 28 minutes
Servings: 16
5 from 1 vote
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Ingredients

  • 3 Tbsp butter
  • 1 12 oz bag of marshmallows
  • 1 cup Marzetti caramel dip (4 individual caramel packs or ~8oz)
  • 4 cups corn flakes
  • 2 cups chocolate chips
  • 2 tsp coconut oil
  • flaky maldon salt (optional)
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Instructions

  • Prepare a 9"x13" pan with spray, and place a sheet of parchment paper on the bottom. Spray or brush parchment paper with oil for easy removal.
  • In a large pot, add 3 Tbsp butter and 12oz marshmallows. Cook over medium heat until melted, stirring continuously to keep from burning or uneven heating.
  • Once melted, add in 7oz caramel dip and mix to combine.
  • Add in 4 cups of gluten free cornflakes and stir everything together until evenly coated.
  • Transfer to the prepared baking dish, and press gently into the corners and across the pan until a flat surface is achieved.
  • In a large microwave-safe bowl, add 2 cups chocolate chips and 2 tsp coconut oil. Heat in 15 second increments, stirring vigorously in between until chocolate is melted. Spread across the cooling bars evenly.
  • Allow to cool 3-5 minutes, then sprinkle on flaky salt, if using. Allow to cool fully before cutting into squares and serving.
Did you make this recipe?Mention @bestwithchocolate or tag #bestwithchocolate!
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1 Comments

  • Laura

    November 14, 2025 at 9:17 pm

    5 stars
    Great combination of flavors. The caramel and cornflakes go surprisingly well together, and of course chocolate makes everything better.

5 from 1 vote

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