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!

Close up image of cornflake bars.

Easy Marshmallow Cornflakes Bars:

These easy cinnamon cornflake squares are the best chewy, gooey marshmallow sweet treat bars. They are the perfect treat any day of the week.

The 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!

Close up image of cornflake bars stacked.

What can you add?

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:

  • 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.
  • Peanut Butter and Chocolate Chips – Make Chocolate Peanut Butter Cornflake Bars
  • Nuts – Sliced almonds or peanuts would add in some extra crunch
  • Seasonal Marshmallows – Adding in seasonal marshmallows will make these treats festive for any occasion.
  • 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.

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 marshmallows are the best treat.

Close up image of cornflake bars.

Change up the cornflakes:

The possibilities are endless! You can take this recipe and make corn flakes squares a ton of different ways. They will be great using frosted flakes instead of plain corn flakes. Chocolate Frosted Flakes taste amazing too! 

The no bake bars are always a hit all around. Do you have a chocolate lover in your house? You could make chocolate corn flakes.

If it is too much chocolate for you, try mixing in a few plain corn flakes with the chocolate frosted flakes. This will cut down on sugar and help with the sweetness.

Think outside the box and get creative making these cinnamon cornflake squares. They are always a big hit and the entire family loves them. What is your favorite combination?

Close up image of cornflakes bars on a white plate.

Let’s make some easy bars!

Close up image of ingredients for cornflakes - marshmallow, cornflakes, cinnamon, and butter.

Ingredients for Cornflake Squares:

All you need is easy ingredients to make these Cornflake Squares. Some recipes call for sugar and corn syrup but it is not necessary to make these easy bars.

  • Cornflakes
  • Butter
  • Marshmallows
  • Cinnamon
Close up image of cornflakes bars stacked.

How to make Cornflake Bars Marshmallows:

  • Line an 8-inch square baking pan with parchment paper or spray with non stick spray.
  • Melt the butter, marshmallows and peanut butter in a large microwave safe bowl. Heat it in 30 second increments and stir between each one until fully meted.
Close up image of cornflakes in process.
  • Mix in the cinnamon.
Close up image of a cornflakes in process with a bowl of marshmallow in a glass bowl with a bowl of cornflakes.
  • Then mix in the cornflakes until they are coated. Using a butter spatula helps make sure the cornflakes are mixed well.
Close up image of cornflake bars being mixed in a glass bowl with a spatula.
  • Press firmly into the into the prepared pan, but not to push to firmly as you don’t want to crush the cornflakes. The cornflake bars marshmallow mixture will be sticky. I use the butter spatula to make sure it is pressed into the pan.
  • Make sure you let cool completely. Next, lift out and cut into squares. When using parchment paper it makes it easy to lift out of pan and cut into squares.
  • This recipe makes 16 small squares or about 9 large squares. You can even use a disposable pan to make clean up a breeze. I’m all for making things easy around here.

These are perfect to make for your gift giving this holiday season. You family and friends will love them on their cookie trays. You can even take them for a cookie exchange party.

Close up image of cornflake squares in a 8x8 pan with a spatula.

Can these be made on the stove top?

Yes, these can be made on the stovetop instead of the microwave. Melt the marshmallows and butter in a large sauce pan over low heat.

Stir until melted and well combined. Remove from heat and then mix in the cinnamon and corn flakes. Then pressure the mixture into the pan.

How to store Cinnamon Cornflake Squares:

These cornflake bars are easy to make and easy to store. Store in an airtight container at room temperature. They don’t last long in my house but are perfect to keep for an easy snack. Do not store in the refrigerator or they will become dried out and loose their gooey texture.

What is your go to snack idea for your kids? I’m always looking for new ideas and recipes. Please share any that you might have in the comment section.

Print Cinnamon Cornflake Bars Recipe below:

No bake cinnamon corn flake cereal bars recipe

4.86 from 7 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 mins
Cook Time 10 mins
Total Time 15 mins
Servings 9
Cuisine American
Course Dessert
Calories 189
Author Eating on a Dime

Ingredients

  • 6 cups cornflakes
  • 2 tbsp butter
  • 10 ounce package marshmallows
  • 1/4 teaspoon ground cinnamon

Instructions

  • Line an 8-inch square baking pan with parchment paper or spray with non stick spray.
  • Melt the butter and marshmallows in a large microwave safe bowl. Heat it in 30 second increments and stir between each one until fully meted.
  • Mix in the cinnamon and then gently stir in the cornflakes until they are well coated.
  • Press the mixture evenly into the pan. Let cool completely, then lift out and cut into approximately 9 squares.

Recipe Notes

*Let these sit at room temperature to set.  I find that placing them in the refrigerator will dry them out and make them not as gooey.  
*Store any leftovers in an air tight container for up to 1 week.  

Nutrition Facts

Calories 189kcal, Carbohydrates 41g, Protein 1g, Fat 2g, Saturated Fat 1g, Cholesterol 6mg, Sodium 183mg, Potassium 31mg, Sugar 19g, Vitamin A 410IU, Vitamin C 4mg, Calcium 1mg, Iron 5.5mg

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More easy treat to try:

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! Plus they are easy to make with only 4 ingredients! #eatingonadime #nobakedesserts #cerealbars #cinnamonrecipes
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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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  1. 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!