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S'mores Bars

These S'mores Bars can be prepared in 15 minutes or less and don't require any baking! They consist of graham cracker-flavored cereal, soft miniature marshmallows, and are studded with milk chocolate chips. 
Course Dessert, Snack
Cuisine American
Keyword smores bars
Prep Time 15 minutes
Setting up Time 1 hour
Total Time 1 hour 15 minutes
Servings 24 large bars
Calories 560kcal
Cost $5.79


  • 8 cups (338g) graham cracker cereal such as Golden Grahams See note 1
  • 6 cups (273g) miniature marshmallows, divided
  • 1 bag (2 cups total) milk chocolate chips, divided(258g for 1 and 1/2 cups chocolate chips) See note 2.
  • 5 tablespoons (71g) unsalted butter, cut into cubes
  • 1/4 cup light corn syrup
  • 1 teaspoon vanilla extract


  • PREP: Generously grease a 9x13-inch pan and set aside. Place the cereal in a very large bowl and set aside.
  • MARSHMALLOW MIXTURE: In another very large microwave-safe bowl, add 5 cups miniature marshmallows, 1 and 1/2 cups chocolate chips, cubed butter, and corn syrup. Stir and then place in the microwave for 2-4 minutes, removing to stir every 20 seconds. When you remove the mixture every 20 seconds, stir for about 15-20 seconds, making sure to really scrape the bottom, and then return to the microwave. Microwave until the mixture is just melted and smooth; don't heat more than needed. 
  • POUR OVER CEREAL: Once the mixture is smooth, stir in the vanilla. Pour the mixture over the cereal and gently but quickly toss to combine. Add in the remaining 1 cup marshmallows and 1/2 cup chocolate chips and stir until just incorporated.
  • PRESS INTO PAN: Pour into the prepared pan. Spray your hands with cooking spray and then gently press down the bars (Don't press them too hard or it will make the bars hard). 
  • LET STAND: Uncovered, for an hour (refrigerate for firmer bars). 
  • STORAGE: Store in an airtight container at room temperature. Bars are best eaten the day they are made.



Note 1: Graham cracker cereal: Find a cereal you love. While Golden Grahams® cereal works great and is tasty, I'm partial to the off-brand (Malt O Meal®) Honey Graham Toasters.
Note 2: Chocolate: Use high-quality milk chocolate for best results. You’ll get both a better melt and better flavor. My favorite for these bars is either Ghirardelli® or Guittard®. Cheaper brands can have a waxier content that is far less flavorful and doesn't melt down as well.


Serving: 24servings | Calories: 560kcal | Carbohydrates: 127g | Protein: 4g | Fat: 7g | Saturated Fat: 4g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 1g | Trans Fat: 0.1g | Cholesterol: 9mg | Sodium: 422mg | Potassium: 64mg | Fiber: 2g | Sugar: 70g | Vitamin A: 1351IU | Vitamin C: 19mg | Calcium: 5mg | Iron: 21mg