Irresistible No-Bake Peanut Butter Cornflake Cookies with Reese’s Pieces: The Ultimate Easy Recipe
Welcome to the delightful world of quick and easy desserts! If you’re searching for a treat that delivers on flavor, crunch, and simplicity, look no further than these incredible No-Bake Peanut Butter Cornflake Cookies. Crafted with just a handful of staple ingredients and ready in minutes, these cookies are a game-changer for anyone craving a sweet fix without the hassle of baking. Imagine the perfect harmony of creamy peanut butter, crunchy cornflake cereal, a touch of sweetness, and the vibrant burst of Reese’s Pieces – all coming together in a fun, tasty, and utterly irresistible no-bake cookie recipe.

For those who adore a satisfyingly crunchy texture paired with the rich, comforting taste of peanut butter, these peanut butter cornflake cookies are an absolute dream come true. They are a fantastic treat for any season or occasion, making them perfect for anything from bustling bake sales and casual Sunday afternoons to festive Christmas cookie exchanges. Honestly, there’s truly never a wrong time to indulge in these delightful cookies. Their ease of preparation means you can whip up a batch whenever a craving strikes, or when you need a last-minute dessert to impress.
Unlocking the Magic of No-Bake Peanut Butter Cornflake Cookies
No-bake cookies are a beloved classic in the world of desserts, often featuring a blend of cocoa powder, oats, and peanut butter. However, our unique recipe takes a delicious detour, opting for crispy cornflakes instead of oats and omitting the cocoa to create a distinct texture and flavor profile that shines wonderfully in every single cookie. While these treats may not involve the traditional dough-making and oven-baking techniques you’re accustomed to with conventional cookies, their simplicity and quick assembly make them an ideal choice. This recipe proves that you don’t need an oven to create something incredibly sweet and satisfying, perfect for a spontaneous dessert or a speedy snack.
The beauty of no-bake recipes lies in their accessibility. They’re fantastic for involving kids in the kitchen, perfect for hot summer days when turning on the oven is a no-go, and a lifesaver when you need a dessert in a flash. Our cornflake variation adds an irresistible crispiness that contrasts beautifully with the smooth peanut butter coating, creating a textural experience that is both familiar and exciting. It’s a delightful twist on a timeless concept, designed to bring joy with minimal effort.

Essential Ingredients for Your Crunchy Cornflake Cookies
Creating these sensational cookies requires just a few simple ingredients, each playing a crucial role in achieving the perfect balance of flavor and texture. Here’s what you’ll need:
- Corn Flakes: The foundation of our crispy cookies! You will need 6 cups of dry cornflake cereal. Ensure they are fresh and not stale for the best crunch.
- Granulated Sugar: Providing the perfect level of sweetness, 1 cup of granulated sugar helps create that classic cookie taste.
- Light Corn Syrup: This is a key binding agent, offering both sweetness and the necessary stickiness to hold your cookies together. You’ll need 1 cup of light corn syrup. It contributes to the chewy-crisp texture.
- Peanut Butter: The star flavor! Use 1 cup of creamy peanut butter for the smoothest coating and consistent texture. While crunchy peanut butter might sound appealing, it will significantly alter the final texture and may make the cookies more crumbly. Stick to creamy for optimal results.
- Reese’s Pieces: An optional but highly recommended addition! These colorful candies add an extra layer of peanut butter flavor and a delightful pop of color and texture. You can use them chopped or whole, depending on your preference, to make your cookies even more visually appealing and incredibly tasty.
These five ingredients are all it takes to create a batch of cookies that taste like they took hours to make, but only require minutes of your time. Each component is essential for that perfect blend of sweet, salty, and crunchy goodness.

Step-by-Step Guide: How to Make No-Bake Peanut Butter Cornflake Cookies
The process for making these delightful cookies is remarkably straightforward, requiring minimal equipment and no baking expertise. Follow these steps for perfect results every time:
- Prepare the Cornflakes: Begin by adding the 6 cups of cornflakes into a large, heat-safe mixing bowl. Set this bowl aside for now. Having it ready allows you to work quickly once the peanut butter mixture is hot.
- Combine Wet Ingredients: In a non-stick pot, ideally a medium-sized one, combine the 1 cup of granulated sugar and 1 cup of light corn syrup. Place the pot over medium-low heat.
- Dissolve the Sugar: Cook the sugar and corn syrup mixture, stirring occasionally, until the granulated sugar completely dissolves. This is crucial for a smooth texture. Ensure the mixture comes to a gentle simmer, but avoid bringing it to a rolling boil, as this can affect the final consistency of your cookies.
- Incorporate Peanut Butter: Once the sugar is fully dissolved, remove the pot from the heat. Immediately add the 1 cup of creamy peanut butter to the hot sugar-corn syrup mixture. Stir vigorously until the peanut butter is fully melted and smoothly combined with the syrup. The residual heat from the syrup will melt the peanut butter perfectly.
- Combine with Cornflakes: Pour the warm peanut butter mixture evenly over the cornflakes that you set aside earlier. This step requires quick but gentle action.
- Gently Toss: Using a rubber spatula or a large spoon, gently toss and fold the cornflakes into the peanut butter mixture. The goal is to coat the cereal thoroughly without crushing the delicate flakes. Work quickly to ensure all cornflakes are coated before the mixture cools too much.
- Portion the Cookies: While the mixture is still warm and pliable, drop heaping tablespoon-sized scoops onto sheets of wax paper or parchment paper. Speed is key here, as the mixture will begin to set as it cools, making it harder to shape.
- Add Toppings (Optional): Immediately after dropping each cookie onto the wax paper, generously sprinkle them with Reese’s Pieces, if desired. The warmth of the cookies will help the candies adhere. This is also a great opportunity to add other toppings like chocolate chips or sprinkles.
- Allow to Set: Let your cookies cool and set at room temperature for at least 30 minutes. For a faster set or if your kitchen is warm, you can place them in the refrigerator for about 15-20 minutes. Once firm, they are ready to enjoy!
And there you have it – a batch of perfectly crunchy, wonderfully sweet, and utterly delicious no-bake peanut butter cornflake cookies, ready to be devoured! Store them in an airtight container to maintain their freshness and crunch.


No Bake Peanut Butter Cornflake Cookies
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Ingredients
- 6 cups corn flakes cereal
- 1 cup sugar
- 1 cup light corn syrup
- 1 cup creamy peanut butter
- Reeses Pieces
Instructions
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Place corn flakes in a large bowl.
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Combine sugar and corn syrup in a non-stick pot over medium/low heat. Cook, stirring occasionally, until the sugar dissolves.
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Add peanut butter, stirring to combine. Remove from heat.
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Pour peanut butter mixture over corn flakes, and toss gently to combine, being careful not to crush the corn flakes.
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Working quickly, drop heaping tablespoonfuls onto wax paper. Immediately top with Reeses Pieces.
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Allow cookies to cool at room temperature at least 30 minutes or until set. Store in an airtight container.
Nutrition
Storage Solutions: How Long Do No-Bake Cookies Last?
One of the many conveniences of no-bake cookies is their excellent shelf life when stored correctly. These delicious treats can be kept in an airtight container at room temperature, where they will retain their freshness and crunch for up to two weeks. For the absolute best flavor and texture, we highly recommend enjoying them within the first few days of making them. The crispness of the cornflakes is truly at its peak when fresh.
If you prefer a slightly firmer cookie or live in a warmer climate, you can also store them in the refrigerator in the same manner. Chilling them will give them a more solid consistency, and they should last for approximately the same amount of time, around two weeks. Just be sure to separate layers with wax paper if stacking to prevent any sticking.

Freezing No-Bake Peanut Butter Cornflake Cookies for Future Enjoyment
Absolutely, you can freeze these delectable no-bake cookies! This is a fantastic option for meal prepping desserts, making a big batch for future events, or simply ensuring you always have a sweet treat on hand. To freeze them effectively, follow these simple steps:
- Initial Freeze: Arrange the fully set cookies in a single layer on a baking sheet lined with parchment paper. Place the baking sheet in the freezer and allow the cookies to freeze until solid. This usually takes about 1 hour. This step prevents them from sticking together in a clump later on.
- Transfer to Storage: Once the cookies are thoroughly frozen, transfer them to a freezer-safe Ziploc bag or an airtight container. If you plan to stack multiple layers, place a sheet of wax paper or parchment paper between each layer of cookies to prevent them from adhering to each other.
- Storage Duration: Stored properly, these frozen no-bake cookies can last for up to 2-3 months.
- Thawing: When you’re ready to enjoy them, simply take out the desired number of cookies and let them thaw at room temperature for about 15-30 minutes, or until they reach your preferred eating temperature. They are just as delicious after being frozen!
Explore More Fantastic No-Bake Cookie Recipes
If you’ve fallen in love with the convenience and deliciousness of these peanut butter cornflake cookies, you’ll be thrilled to discover a world of other no-bake delights. These recipes are perfect for expanding your repertoire of easy desserts:
- CHERRY CHOCOLATE CHIP NO BAKE COOKIES: A delightful blend of fruity and chocolatey goodness, all without turning on the oven.
- NO BAKE PUMPKIN COOKIES: Perfect for fall, these capture the warm flavors of pumpkin pie in a convenient cookie form.
- MARSHMALLOW PEANUT BUTTER NO BAKE COOKIES: A classic combination, offering chewy marshmallows and rich peanut butter.
- PEANUT BUTTER NO BAKE COOKIES: The foundational recipe, pure peanut butter bliss without the crunch of cornflakes.
- NO BAKE COOKIE BARS: A great option for serving a crowd, these bars are easy to slice and share.
- BEST NO BAKE COOKIES: Discover our top-rated no-bake recipes, guaranteed to satisfy your sweet tooth.

Craving More Peanut Butter Cookie Options?
If peanut butter is your ultimate weakness, we have even more delectable cookie recipes that highlight this beloved ingredient. From classic baked options to innovative twists, these are sure to become new favorites:
- CAKE MIX PEANUT BUTTER BLOSSOMS: Easy, soft, and topped with a Hershey’s Kiss.
- REESE’S CHOCOLATE PEANUT BUTTER COOKIES: A perfect marriage of chocolate and peanut butter in a baked cookie.
- PEANUT BUTTER SANDWICH COOKIES: Two soft peanut butter cookies filled with a creamy peanut butter frosting.
- CHOCOLATE PEANUT BUTTER CAKE MIX COOKIES: Another shortcut recipe for quick and flavorful cookies.
- PEANUT BUTTER COOKIE BITES: Small, irresistible morsels of peanut butter heaven.
- MARSHMALLOW PEANUT BUTTER NO BAKE COOKIES: A reminder of another fantastic no-bake option for the peanut butter lover!


As much as we love sharing delicious cookie recipes, we also cherish the moments that bring families together. It had been quite some time since our extended family gathered (thanks to the challenges of COVID!), so we made sure to seize the opportunity when everyone was finally in town. And you know what that means, right? FAMILY PICTURES! Ha! I understand, that phrase can sometimes evoke a bit of dread. But thankfully, the process has become considerably easier as the kids have grown older, making it a much more enjoyable experience for everyone.

During the photoshoot, I brought my camera along and captured some candid moments throughout the process. One particularly sweet shot I got was of four of the cousins together. We’re lucky to live close to each other, so these four spend a lot of time building wonderful memories. I truly cherish that! It’s incredibly heartwarming to see cousins develop such strong, loving relationships with one another. (P.S.: My two are the ones in the middle! Isn’t it fun how my sister-in-law and I both had girls close together, and then boys close together?!)

We’re confident you’re going to absolutely adore these no-bake Reese’s peanut butter cornflake cookies! They offer such a delightful and wonderfully simple twist on traditional cornflake cookies, delivering an exceptional blend of rich flavor and satisfying crunch in every single bite. Whether you’re making them for a special occasion, a family gathering, or just as a quick indulgence, their ease and deliciousness make them an instant favorite. Give them a try and experience the joy of a truly effortless and scrumptious dessert!