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    Home ยป Recipes ยป Bars & Brownies

    S’mores Cereal Bars

    July 22, 2019 By Sam 9 Comments

    This post may contain affiliate links. As an Amazon Associate I earn from qualifying purchases. Please read my disclosure policy.
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    No campfire required! These simple S’mores Cereal Bars are made with milk chocolate, mini marshmallows, and graham cracker cereal and can feed a crowd in a hurry: a whole batch can be whipped up in just 15 minutes!

    S'mores cereal bars in white baking dish

    We are SO close to having our new kitchen finished I can hardly stand it.

    Soooo close! There are just a few small things to tidy up and we expect everything should be wrapped up by the end of this week. I am so excited to share it with you, and to finally start baking in the new house. Even though Zach and I have moved in to the new place, I’ve been driving back to the old house every day to do all of my baking (and videoing) there, and I’m pretty much over it.

    Since it’s currently not possible to do any baking in the new place, I’ve been sticking to no-bake recipes when I have a craving for something sweet and don’t feel like driving back to the old house. Cereal-based no-bake desserts like my favorite Rice Krispie Treats, easy Puppy Chow, and today’s S’mores Cereal Bars.

    These S’mores Cereal Bars have been a favorite of mine ever since I was a kid. Back then, I used to follow the recipe on the back of the Golden Grahams cereal box, but since then I’ve made a few improvements to make this recipe even more gooey, chocolate-y, marshmallow-y, and just all around the perfect summertime S’mores snack, no campfire required.

    Ingredients for S\'mores cereal bars

    How to Make S’mores Cereal Bars

    • Melt together (salted) butter, milk chocolate chips, and corn syrup in a large pot on the stovetop (I like to use a Dutch Oven). Make sure to keep the heat on low, or you run the risk of seizing your chocolate.
    • Add one 10-oz bag of mini marshmallows and a teaspoon of vanilla extract and stir until the marshmallows are just melted. Keep your heat on low here, still! It might take a bit longer for the marshmallows to melt this way, but it will keep your S’mores bars from ending up rock hard.
    • Stir in your graham cracker cereal and another half bag of mini marshmallows. Stir until the cereal is coated with chocolate (this second round of marshmallows does not need to melt, it’s nice to have discernible marshmallow pieces in the bars).
    • Spread mixture evenly into a buttered casserole dish and, if desired, top with a few additional mini marshmallows. Allow to cool before slicing and serving.

    These S’mores cereal bars will cool pretty quickly at room temperature. However, my sisters and I have always really loved the way they taste cold, so if you cover them and pop them in the fridge they’ll firm up even faster!

    S'mores bars topped with mini marshmallows

    Tips for Making S’mores Cereal Bars

    These cereal bars are easy, but I do have a few tips that might be helpful for you:

    • Keep your stovetop heat on low the entire time you are cooking. If you turn up the heat too high you run the risk of burning your mixture, seizing your chocolate, or otherwise compromising the ultimate outcome of the recipe.
    • This recipe can be made in the microwave (if you follow me on Instagram you might’ve caught my story over 4th of July weekend where I did just that). I personally think making everything in a large pot on the stovetop is easiest, though.
    • Adding mini marshmallows on top is a great way to pretty-up these otherwise very brown, humble looking cereal bars. Just reserve a few until the end, and make sure to scatter them over the s’mores cereal bars while the bars are still warm so they stick.
    • S’mores Cereal Bars are best enjoyed within 48 hours of being made. Otherwise they tend to get a little stale.

    Sliced square of s'mores cereal bars

    Enjoy!

    More Recipes You Might Like:

    • No Bake Cookies
    • S’mores Cookies
    • Candied Pretzels
    • Cookie Dough Stuffed Pretzel Bites

    Let’s bake together! Be sure to check out my video at the bottom of the recipe where I’ll show you exactly how I make these S’mores Cereal Bars in my own kitchen! If you enjoy watching, make sure to subscribe to my YouTube channel where I’ve already uploaded over 150 recipe videos that you can watch for free!

    Smores cereal bars in baking dish with portion removed

    S'mores Cereal Bars

    A simple recipe for S'mores Cereal Bars! These are quick and easy to make and perfect for summertime.
    Be sure to check out the brief how-to VIDEO just below the recipe! 
    5 from 2 votes
    Print Pin Rate
    Prevent your screen from going dark
    Course: Candy, Dessert
    Cuisine: American
    Prep Time: 5 minutes minutes
    Cook Time: 10 minutes minutes
    Total Time: 15 minutes minutes
    Servings: 20 bars
    Calories: 281kcal
    Author: Sam Merritt

    Ingredients

    • 5 Tablespoons salted butter plus additional for greasing pan
    • 2 cups (340 g) milk chocolate chips
    • ⅓ cup (80 ml) light corn syrup
    • 1 teaspoon vanilla extract
    • 7 cups (300 g) graham cracker cereal
    • 15 oz (425 g) mini marshmallows This is 1 ½ 10 oz bags, you’ll need one full bag, then about 2 cups from the second bag

    Instructions

    • Lightly grease the sides and bottoms of a 9x13 baking dish with butter. Set aside.
    • In a large pot, combine butter, chocolate chips, and corn syrup over low heat. Stir frequently until chocolate and butter are melted and mixture is smooth.
      5 Tablespoons salted butter, 2 cups (340 g) milk chocolate chips, ⅓ cup (80 ml) light corn syrup
    • Add 10 oz (280g) mini marshmallows and vanilla extract and stir frequently until marshmallows are melted (keep your stovetop heat low).
      15 oz (425 g) mini marshmallows, 1 teaspoon vanilla extract
    • Add graham cracker cereal and remaining 5 oz (140g) mini marshmallows¹ and stir until completely coated with chocolate mixture.
      7 cups (300 g) graham cracker cereal
    • Spread into prepared baking dish and smooth surface with a spatula. If you reserved any mini marshmallows, sprinkle them over the surface of the cereal bars now.
    • Allow to cool then slice and serve.

    Notes

    ¹If desired, reserve a few mini marshmallows to sprinkle on top of the s'mores bars.
    S'mores Cereal Bars are best if enjoyed within 48 hours of being made.

    Nutrition

    Serving: 1bar | Calories: 281kcal | Carbohydrates: 49g | Protein: 3g | Fat: 11g | Saturated Fat: 7g | Monounsaturated Fat: 1g | Cholesterol: 8mg | Sodium: 173mg | Potassium: 117mg | Fiber: 1g | Sugar: 33g | Vitamin A: 300IU | Vitamin C: 4.1mg | Calcium: 80mg | Iron: 3.2mg

    Nutritional information is based on third-party calculations and should be considered an estimate only. Actual nutritional content will vary based upon brands used, measuring methods, cooking method, portion sizes, and more.

    Tried this recipe? Show me on Instagram!Mention @SugarSpun_Sam or tag #sugarspunrun!

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    Reader Interactions

    Comments

    1. Laura

      June 13, 2024 at 7:50 pm

      Can I use Hershey chocolate bars chopped instead of chocolate chips and would the measurements be the same?

      Reply
      • Emily @ Sugar Spun Run

        June 14, 2024 at 8:59 am

        Hi Laura! We don’t see why not. Yes, the measurement would be the same. Let us know how it goes!

        Reply
    2. Tyler Harris

      December 21, 2021 at 12:59 am

      Can these be frozen and enjoyed past 48 hours after being made? I know marshmallows freeze pretty well, but I was wondering if you had any more insight on this question.

      Reply
      • Sam

        December 26, 2021 at 6:47 pm

        They should freeze just fine. ๐Ÿ™‚

        Reply
    3. Amber

      January 13, 2021 at 10:40 am

      Oh my gosh! Those look like the best desert every! Looking at this makes me soooo hungry! Keep up the good work :)!

      Reply
      • Sam

        January 13, 2021 at 9:34 pm

        Thank you Amber! I hope you love them! ๐Ÿ™‚

        Reply
    4. Pam

      March 22, 2020 at 7:10 pm

      5 stars
      So good and easy to make, too! Will definitely make again!

      Reply
    5. Cathleen

      July 22, 2019 at 11:16 am

      Hi Sam, so happy for you! What will be your first recipe you make in your new culinary domain?

      Reply
      • Sam

        July 22, 2019 at 11:54 am

        Thank you so much, Cathleen! That is a tough question. I think it’s going to have to be my worst chocolate chip cookies.

        Reply
    5 from 2 votes (1 rating without comment)

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    The author (Sam) in blue shirt holding donut Hi, I'm Sam! I'm dedicated to bringing you sweet, simple, and from-scratch dessert recipes. My life may or may not be controlled by my sweet tooth. Send help (or chocolate). Read more about me.

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