Welcome to the world of effortless indulgence with these truly irresistible No Bake Nutella Cornflake Cookies. Imagine the perfect blend of rich, creamy Nutella, sweet, chewy marshmallows, and satisfyingly crunchy cornflakes, all without ever turning on your oven. This recipe isn’t just a treat for your taste buds; it’s a gift for your schedule, coming together in approximately 10 minutes of active prep time. Ideal for busy families, spontaneous cravings, or simply a fun kitchen project with kids, these buttery, sweet, and wonderfully chewy cookies are guaranteed to become a top contender on your list of favorite no-bake desserts.
If your household boasts even a single Nutella enthusiast, prepare for this recipe to be requested again and again. The magic lies in the delightful interplay of textures and flavors: the delicate crunch of cornflakes giving way to the gooey softness of melted marshmallows, all enveloped in the unmistakable, nutty embrace of hazelnut chocolate spread. It’s a symphony of sweet, salty, and utterly satisfying goodness that promises to disappear as quickly as they’re made.

The Allure of No-Bake Desserts
No-bake cookies are a dessert superpower, offering all the joy of homemade treats without the fuss and heat of an oven. They are especially wonderful for:
- Speed and Convenience: Perfect for last-minute gatherings or when you need a quick sweet fix.
- Kid-Friendly Fun: Little hands can easily help with stirring and scooping, making it a delightful activity for aspiring young bakers.
- Summer-Ready Treats: Keep your kitchen cool by avoiding the oven, making them perfect for warmer months.
- Beginner-Friendly: With no complex baking techniques or precise oven temperatures to worry about, these recipes are incredibly forgiving.
These Nutella cornflake cookies embody all these benefits, delivering maximum flavor with minimal effort.
Why These Nutella Cornflake Cookies Are a Must-Try
What truly sets these cookies apart is their unique combination of beloved ingredients and their delightful textural complexity. Unlike many traditional no-bake recipes, the addition of marshmallows here creates an extra layer of gooey sweetness that perfectly complements the rich Nutella and crispy cornflakes. This recipe is a fantastic spin-off from classic no-bake cookies, drawing inspiration from both peanut butter cornflake cookies and traditional Nutella no-bake cookies, but elevated with that irresistible marshmallow chew.
The delicate, golden flakes provide a satisfying crunch that contrasts beautifully with the smooth, melted hazelnut chocolate spread and the stretchy, soft marshmallows. Each bite is an experience – a little bit crispy, a little bit chewy, and bursting with the sweet, nutty flavor of Nutella. They are incredibly satisfying, yet surprisingly light, making them a perfect pick-me-up any time of day. Prepare for these to vanish from your cookie jar in record time!

Essential Ingredients for Perfection
Gathering your ingredients is the first step to success. One of the beauties of this recipe is its simplicity, requiring only a handful of common pantry staples:
Key Ingredients Breakdown
- Butter: Whether you opt for salted or unsalted butter is entirely up to your preference. Salted butter will add a subtle depth that balances the sweetness, while unsalted allows you to control the salt content precisely.
- Granulated Sugar: Standard white granulated sugar is essential for both sweetness and structure in this no-bake mixture.
- Light Corn Syrup (Karo Syrup): This ingredient is crucial for achieving the perfect chewy texture and preventing the sugar mixture from crystallizing, ensuring your cookies remain smooth and delicious.
- Nutella (Hazelnut Spread): The star of the show! While classic Nutella offers that iconic chocolate-hazelnut flavor, feel free to use your favorite brand of hazelnut spread. The quality of your spread will directly impact the final taste.
- Mini Marshmallows: Mini marshmallows are highly recommended as they melt quickly and evenly, incorporating seamlessly into the mixture. If you only have larger marshmallows, simply chop them into smaller pieces for faster melting. If you prefer pockets of soft, gooey marshmallow in your cookies, you can slightly under-melt them.
- Cornflakes Cereal: Plain cornflakes are best for this recipe, providing that ideal crisp texture without introducing competing flavors. They are the backbone of the cookie’s crunch.
How to Make No Bake Nutella Cornflake Cookies: Step-by-Step
Making these delightful cookies is incredibly straightforward. Just follow these simple steps for a perfect batch every time:
Simple Preparation Process
- Prepare Your Baking Surface: Lightly grease a large baking sheet with nonstick cooking spray or line it with parchment paper. This will prevent your cookies from sticking and make removal a breeze.
- Boil the Butter, Sugar, and Syrup: In a large, nonstick pot over medium heat, melt the butter. Once melted, add the granulated sugar and light corn syrup. Bring this mixture to a rapid, rolling boil. It’s crucial to let it boil vigorously for precisely 1 minute. This step is key to ensuring the cookies set properly and aren’t too gooey.
- Incorporate Nutella and Marshmallows: Immediately after the 1-minute boil, remove the pot from the heat. Stir in the mini marshmallows and the Nutella. Continue stirring until the marshmallows are completely melted and the mixture is smooth, glossy, and well combined. The residual heat from the sugar mixture will melt these ingredients quickly.
- Fold in the Cornflakes: Gently add the cornflakes cereal to the Nutella-marshmallow mixture. Carefully stir until the cornflakes are thoroughly coated. Be gentle to avoid crushing the flakes too much, as their intact shape contributes to the cookie’s texture.
- Cool and Set: Using a spoon or a small cookie scoop, drop approximately 2-tablespoon portions of the mixture onto your prepared baking sheet. Allow the cookies to cool undisturbed for at least 10 minutes, or until they are firm to the touch and fully set. Once cooled, they are ready to be enjoyed!

Recipe Tips for Success
To ensure your Nutella cornflake cookies turn out perfectly every time, keep these handy tips in mind:
- Prep Ahead: Have all your ingredients pre-measured and ready next to the stove. No-bake recipes move quickly once the wet ingredients are heated, so being organized will prevent any last-minute scrambling.
- Boiling Time is Key: Strictly adhere to the 1-minute rapid boil for the butter, sugar, and syrup mixture. This ensures the sugar reaches the correct temperature to set the cookies. For a slightly stickier cookie, you can reduce the boiling time to 30 seconds, but for firm, well-set cookies, 1 minute is ideal.
- Hazelnut Spread Options: While Nutella is classic, any quality chocolate-hazelnut spread will work beautifully in this recipe.
- Marshmallow Preference: Mini marshmallows are easiest, but larger ones can be chopped. If you adore pockets of melty marshmallow in your cookies, don’t stir quite as long; allow a few small chunks to remain.
- Greased Surface vs. Parchment Paper: A lightly greased baking sheet is excellent for easy cookie removal. Parchment paper also works wonderfully and makes cleanup even simpler. For an even quicker method, you can press the entire mixture into a greased 9×13 inch pan and cut into bars once cooled.
Troubleshooting Common No-Bake Cookie Issues
Even with simple no-bake recipes, sometimes things don’t go exactly as planned. Here are solutions to common problems:
- Gooey Cookies: This is almost always due to the sugar mixture not boiling long enough (or not reaching a rapid boil). Ensure you bring the butter, sugar, and syrup to a full, rapid boil and let it go for a full 60 seconds. This allows the sugar to reach the correct temperature and concentration to set.
- Crumbly Cookies: If your cookies are too crumbly, it might mean the mixture was over-boiled or cooked too long, making it too dry. It could also happen if the Nutella and marshmallows weren’t fully incorporated, leading to an uneven consistency.
- Too Hard Cookies: Over-boiling the sugar mixture can also lead to overly hard cookies once cooled. Make sure to stick to the 1-minute boil precisely.
- Uneven Mixing: Always remove the pot from the heat before adding Nutella, marshmallows, and especially cornflakes. The high heat can make the mixture seize or scorch. Stir gently but thoroughly to ensure everything is evenly coated.
Creative Variations and Customizations
While delicious as is, these Nutella cornflake cookies are also a fantastic canvas for your creativity. Here are a few ideas to switch them up:
- Chocolate Drizzle: Once cooled, drizzle with melted milk, dark, or white chocolate for an extra layer of decadence.
- Sprinkles: Add festive sprinkles to the warm mixture before scooping, or sprinkle on top of the cooling cookies for a pop of color, perfect for holidays or celebrations.
- Added Nuts: Fold in a handful of chopped hazelnuts, almonds, or pecans with the cornflakes for an extra nutty crunch.
- Sea Salt Flakes: A tiny sprinkle of flaky sea salt on top of each cookie just as it’s setting can truly enhance the chocolate and hazelnut flavors.
- Extracts: A splash of vanilla extract, almond extract, or even a hint of coffee extract (like espresso powder) can deepen the flavor profile. Add these with the Nutella and marshmallows.
- Different Cereals: While cornflakes are classic, you could experiment with other crisp cereals like crispy rice cereal or even crushed graham crackers for a different texture.
Frequently Asked Questions
Absolutely! These Nutella Cornflake Cookies are excellent for making ahead. They will stay fresh and delicious for up to 5 days, provided they are stored properly in a cool, dry place at room temperature.
For optimal texture, I generally recommend storing cornflake-based no-bake cookies at room temperature. The fridge can introduce moisture, which might make them a bit chewier than desired. Just ensure they are kept in an airtight container in a cool, dry spot.
The most common reason for gooey cookies that don’t set is insufficient boiling of the sugar mixture. If the butter, sugar, and syrup don’t reach a full, rapid boil for at least 1 minute, the sugar won’t achieve the necessary temperature to create a firm setting structure. Make sure to set a timer and let it boil vigorously for the full minute!
While the core ingredients (butter, sugar, corn syrup, Nutella, marshmallows, cornflakes) are crucial for the recipe’s success, you can experiment with hazelnut spread brands. For corn syrup, light corn syrup is best. Substituting other sweeteners or syrups may alter the texture significantly.
No-bake cookies with marshmallows generally do not freeze very well. The marshmallows can become tough or watery upon thawing, affecting the texture. It’s best to enjoy them fresh or within a few days of making.
Storing Your No Bake Cornflake Cookies
Proper storage ensures your cookies remain fresh and enjoyable for as long as possible:
- Make Ahead: These cookies are perfect for preparing a day or two in advance of when you need them. Their flavor and texture hold up wonderfully.
- Room Temperature: For the best texture and freshness, store your no-bake cookies in an airtight container at room temperature. They tend to pick up less moisture this way compared to refrigeration. They will keep well for 3-5 days.
- Avoid Freezing: As mentioned, these particular no-bake cookies, due to the marshmallow content, typically do not freeze well and are best consumed fresh.

No Bake Nutella Cornflake Cookies Recipe
This simple recipe for cornflake cookies with Nutella is irresistible and only takes about 10 minutes. Add this to the top of your list of favorite no-bake cookie recipes.
Ingredients
- 1/2 cup butter
- 1/2 cup sugar
- 1/2 cup Karo syrup (light corn syrup)
- 1/2 cup Nutella
- 5 ounces mini marshmallows
- 5 cups Cornflakes cereal
Instructions
- Grease a large baking sheet with nonstick spray or line with parchment paper and set aside.
- Melt the butter in a large, nonstick pot. Add the sugar and Karo syrup, then bring to a rapid boil and boil for 1 minute.
- After 1 minute, remove from the heat and stir in the marshmallows and Nutella until combined and completely melted.
- Add the Cornflakes and gently stir until thoroughly mixed and coated.
- Scoop about 2 tablespoons of the mixture for each cookie onto the prepared baking sheet and allow to cool for at least 10 minutes, or until set. Enjoy!
Video
Notes
Storing instructions: Store in an airtight container at room temperature for up to 3 days, or in the fridge for up to 5 days. For best texture, room temperature is recommended.
Nutrition
Approximate Nutritional Values Per Serving (1 cookie):
- Calories: 215 kcal
- Carbohydrates: 35g
- Protein: 1g
- Fat: 9g
- Saturated Fat: 6g
- Cholesterol: 15mg
- Sodium: 132mg
- Potassium: 53mg
- Fiber: 1g
- Sugar: 25g
- Vitamin A: 334IU
- Vitamin C: 2mg
- Calcium: 13mg
- Iron: 3mg
Disclaimer: Nutritional values were calculated using a third-party tool and are provided as an estimation only.
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More of the Best No Bake Cookies and Desserts
- No-Bake Peanut Butter Cookies
- No-Bake Peanut Butter S’mores Bars
- Reese’s Peanut Butter Cereal Bars
- Classic Peanut Butter Balls
- Triple Chocolate Power Balls
- Coconut Peanut Butter Power Balls
- No Bake Rice Crispy Bird Nests
- Coconut Peanut Butter No-Bake Cookies
- More Irresistible No Bake Cookie Recipes
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More Delightful Nutella Recipes
- Nutella Twist Bread
- Creamy Nutella Hot Cocoa
- No Bake Nutella Cheesecake
- Nutella Energy Balls
Indulge in the irresistible delight of these Nutella Cornflake No Bake Cookies. This quick and easy recipe proves that some of the best treats require no baking at all. Enjoy the perfect blend of crunchy, chewy, and rich chocolate-hazelnut flavor!
