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stack of chocolate peanut butter cereal bars

Chocolate Peanut Butter Cereal Bars

Tara Kringlen
Crunchy, gooey and loaded with peanut butter, chocolate and marshmallows, these cereal bars are ready in under 30 minutes, no-bake and super easy!
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Prep Time 5 mins
Cook Time 5 mins
Cooling Time 15 mins
Total Time 25 mins
Course Dessert
Cuisine American
Servings 12 bars
Calories 328 kcal


Cereal Bars

  • 4 tablespoon unsalted butter melted
  • cup peanut butter
  • 1 teaspoon vanilla extract
  • 4 cups peanut butter captain crunch cereal
  • 5 cups marshmallows about 8 oz or half of a 16 oz bag
  • 1 cup chocolate chips
  • ½ cup mini marshmallows

Peanut Butter Glaze

  • 1 tablespoon butter
  • ¼ cup peanut butter


Cereal Bars

  • Prepare an 8 x 8 or 9 x 9 pan with parchment paper and a light coating of baking spray.
  • Cook butter and peanut butter over medium heat in a medium to large saucepan until melted and combined.
  • Mix in 5 cups of marshmallows, stirring until melted completely. Remove from the heat and add the vanilla extract.
  • Add the cereal to the pan, stirring until combined. Stir in the chocolate chips and marshmallows only stirring until incorporated but not all marshmallow fully melted.
  • Pour the mixture into the pan and press lightly to smooth the top.


  • Melt together the butter and peanut butter in a small microwave safe bowl for about 20-30 seconds. Stir together until completely smooth.
  • Drizzle on top of the bars and let cool at least 15 minutes until cutting into squares.


  • These can be stored on the counter in an air tight container for about 3 days. 


Calories: 328kcal
Keyword cereal bars, chocolate and peanut butter, marshmallows, peanut butter
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