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You will love Easy Cinnamon Cornflake Squares recipe! The ingredients are very simple and you probably already have them on hand. These bars make a quick snack or dessert with very little work. Plus, they are inexpensive to make!

Cinnamon Cornflake Squares of chocolate peanut butter bars rest on parchment paper, with a bowl of cornflakes in the background.
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These easy cinnamon cornflake squares are the best chewy sweet treat bars. They are the perfect dessert recipe any day of the week. The options are endless and even my kids can make them without much assistance.

The crunchy texture and the milk chocolate topping makes them a family favorite. If you love no bake cookies, then you I am sure you will want to try Popcorn Bars, Easy Homemade Granola Bars Recipe, Homemade Twix Bars and Scotcheroos Bars Recipe.

Table of Contents

Why We Love This Recipe

The no bake recipe is very quick and easy. They are great for dessert, after school snacks and more! You kids will love them in their lunchbox.

Pre-packaged treats can really add up. Save money by making a batch of these and putting them in ziplock bags.

They will be ready to pop into lunch boxes or grab for a quick snack. This yummy cinnamon cornflake squares recipe does not disappoint!

Ingredients

Top-down view of ingredients on a white surface for Cinnamon Cornflake Squares: a bowl of cornflakes, peanut butter in a jar, chocolate chips in a bowl, round brown sugar, butter in a small dish, and a measuring cup of clear liquid.
  • Butter – We used unsalted butter
  • Creamy Peanut Butter – We recommend sticking with regular peanut butter for best results. Natural peanut butter or almond butter may result in the same texture.
  • Light Brown Sugar – Learn How to Make Brown Sugar
  • Corn Flakes – Lightly crush cereal in a ziploc bag with a rolling pin or food processor. Feel free to change the crunchy cornflakes. It would be great using frosted flakes instead of plain corn flakes. Chocolate Frosted Flakes taste amazing too! 
  • Chocolate Chips – Dark Chocolate Chips is an easy substitute

Scroll to the bottom for the full recipe in the recipe card.

Variations Ideas

I love using what I already have in my pantry and sometimes that means trying new things. Here are some of our favorite add-ins:

  • Milk Chocolate Chips – Mini Chocolate chips are our favorite
  • Peanut Butter – Add in crunchy peanut butter or creamy peanut butter. Peanut Butter Corn flake treat sounds like a perfect combination. Or crunch bars would be great with crunchy peanut butter.
  • Nuts – Adding in a teaspoons of sliced almonds or peanuts would add in some extra crunch.
  • M&Ms – You can add in some M&M’s. You can mix in for the holiday – Red & Green for Christmas, Pastels for Easter, or Red for Valentines.
  • Cereal – If you do not have enough corn flakes you can mix in some rice krispies to make this recipe. You can even make these cereal bars gluten free with the base recipe. The corn flakes bars are the best treat.
  • Additions – Other ideas to mix into the cornflake mixture is a tablespoon of honey, marshmallows or shredded coconut. We have even added in a tsp of vanilla extract for even more flavor.

How To Make Cinnamon Cornflake Squares

A square baking pan lined with parchment paper sits on a light gray surface, ready to transform into delicious cinnamon cornflake squares. To the left, a textured knit cloth adds a cozy touch.

Step 1 – Line an 8X8 baking dish with parchment paper and set aside. 

A pot with brown sugar and a wooden spoon inside rests on a light-colored surface, evoking the cozy scent of Cinnamon Cornflake Squares. A textured beige cloth lies beside the pot, completing the warm and inviting scene.

Step 2 – Heat the brown sugar and corn syrup in a saucepan or a Dutch Oven over medium high heat until it starts to boil slightly. 

A pot on a light surface with melted butter, brown sugar, and peanut butter, perfect for creating Cinnamon Cornflake Squares. A wooden spoon rests inside, ready for mixing. A textured cloth is placed beside the pot.

Step 3 – Remove the pan from heat and then stir in to melt butter and peanut butter until smooth and combined. 

A pot filled with a creamy, brown batter and crushed cornflakes awaits transformation into Cinnamon Cornflake Squares. A wooden spoon rests beside the inviting concoction, while a patterned cloth lies nearby on a light gray surface.

Step 4 – Gently pour in the corn flakes in a large bowl.

A square baking pan filled with cinnamon-infused batter mixture, with a wooden spoon resting on top. The pan is lined with parchment paper, ready to bake delicious Cinnamon Cornflake Squares. A patterned cloth is draped beside the pan on a light surface.

Step 5 – Press the mixture into the prepared baking pan. 

A square baking pan lined with parchment paper is filled with thick, creamy chocolate batter, promising the decadent crunch of Cinnamon Cornflake Squares. The pan rests on a light surface, partially covered by a textured cloth.

Step 6 – Melt the chocolate chips in a small bowl, heating it in 30 second intervals, until melted. Spread or drizzle the melted chocolate on top of the peanut butter mixture and top with the flakey salt if using. 

  • Step 7 – Let cornflake cookies sit at room temperature until the chocolate is fully set on a wire rack and then the bars are ready to serve and enjoy!  

Expert Tips

  • Melting Chocolate – Make sure not to overheat the chocolate or it could easily burn. Microwave it in only 30 second intervals to prevent it from burning.  
  • Prepare Baking Pan – We like to line the baking dish with parchment paper to easily remove the cornflake squares. This makes it also easy to clean then pan and to cut into squares with a sharp knife on a cutting board.
  • Allow to Set – We like to make these bars ahead of time so that we give it plenty of time to rest.
A square chocolate-covered dessert, known as a Cinnamon Cornflake Square, rests on parchment paper atop a wooden board. Nearby lie a bowl of cornflakes, chocolate chips, a knife, and a patterned cloth.

FAQ

How to Store Leftover Cinnamon Cornflake Squares

These cornflake bars are easy to make and easy to store. Store in an airtight container at room temperature for up to 1 week. They don’t last long in my house but are perfect to keep for an easy snack.

What Type of Baking Dish Do I Use?

We used an 8×8 baking dish to make this recipe. But if you are doubling the recipe, then I would use a 9×13 baking dish.

Can I Freeze Cornflake Cinnamon Squares?

Yes, you can freeze these cornflake cinnamon squares. You can freeze the mixture in the pan or cut into squares and freeze the individual servings. Make sure to wrap in plastic wrap and then foil to prevent freezer burns. They will stay fresh for up to 3 months.

Two chocolate-covered peanut butter bars, one with a bite taken out, are stacked on parchment paper alongside cinnamon cornflake squares. Behind them is a glass of milk with an embossed pattern, and a small bowl of chocolate chips peeks into view.

More Easy Dessert Bar Recipes

We love to hear from you. If you make Cinnamon Cornflake Squares Recipe, please leave us a comment or a star review.

Review Pin Print
A batch of chocolate-covered peanut butter bars is laid out on parchment paper, some cut into squares resembling Cinnamon Cornflake Squares. The rest remains uncut, with a small bowl of chocolate chips visible in the background.

Cinnamon Cornflake Squares

4.97 from 27 votes
Try this No bake cinnamon corn flake cereal bars recipe. They are absolutely delicious! Once you know how to make cornflake bars, they are so simple. Kid’s go crazy over Cinnamon corn flake bars recipe!
Prep Time 5 minutes
Cook Time 10 minutes
Total Time 15 minutes
Servings 12
Cuisine American
Course Dessert
Calories 412
Author Carrie Barnard

Ingredients

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Instructions

  • Line an 8X8 baking dish with parchment paper and set aside.
  • Heat the brown sugar, cinnamon and corn syrup in a saucepan over medium high heat until it starts to boil slightly.
  • Remove the pan from heat and stir in the butter and peanut butter until smooth and combined.
  • Gently fold in the corn flakes.
  • Press the mixture into the prepared baking pan.
  • Melt the chocolate chips in a microwave safe bowl, heating it in 30 second intervals, until melted.
  • Spread the melted chocolate on top of the peanut butter mixture and top with the flakey salt if using.
  • Let sit at room temperature until the chocolate is fully set and then the bars are ready to serve and enjoy!

Recipe Notes

Store any leftover bars in an airtight container for up to 1 week. 
Make sure not to overheat the chocolate or it could easily burn.
Microwave it in only 30 second intervals to prevent it from burning.  

Nutrition Facts

Calories 412kcal, Carbohydrates 50g, Protein 5g, Fat 23g, Saturated Fat 10g, Polyunsaturated Fat 3g, Monounsaturated Fat 6g, Trans Fat 0.2g, Cholesterol 10mg, Sodium 155mg, Potassium 232mg, Fiber 1g, Sugar 40g, Vitamin A 242IU, Vitamin C 1mg, Calcium 43mg, Iron 2mg

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About the Author

Hi, I’m Carrie. Welcome to Eating on a Dime!

I’m on a mission to help you cook delicious meals without busting your budget. Together we are going to cook real food… for real families!

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4.97 from 27 votes (27 ratings without comment)

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Comments

  1. Carrie says:

    I don’t recommend freezing these. I find that the marshmallows great crisp and crunchy after this has been frozen and I prefer them to be gooey!

  2. Amber says:

    Can you freeze these?