Peanut Butter Marshmallow Popcorn Bars

Chewy peanut butter and marshmallow popcorn bars studded with salty, crunchy peanuts.
Prep Time 10 minutes
Cook Time 5 minutes
Total Time 15 minutes
Servings 8
Calories 311 kcal


  • 8 cups popped popcorn (about 6 tablespoons unpopped)
  • 1 cup salted roasted peanuts , coarsely chopped
  • 4 tablespoons butter
  • 4 cups miniature marshmallows
  • 3 tablespoons smooth peanut butter


  1. Line a 9x13 pan with foil, leaving an overhang on the sides, and lightly grease with cooking spray; set aside.
  2. Pop the popcorn and mix in the peanuts; set aside.
  3. Melt butter over medium-high heat.
  4. Add peanut butter and marshmallows; stir until melted and smooth.
  5. Pour over popcorn and mix until thoroughly combined.
  6. Transfer popcorn mixture to the prepared pan.
  7. Using a greased spatula, or wet hands, press mixture into the pan.
  8. Let cool completely.
  9. Lift out the popcorn and cut into bars.
  10. Serve immediately.

Recipe Notes

WW SmartPoints: 12

Nutrition Facts
Peanut Butter Marshmallow Popcorn Bars
Amount Per Serving
Calories 311 Calories from Fat 153
% Daily Value*
Fat 17g26%
Saturated Fat 5g25%
Cholesterol 15mg5%
Sodium 111mg5%
Potassium 217mg6%
Carbohydrates 34g11%
Fiber 3g12%
Sugar 15g17%
Protein 8g16%
Vitamin A 195IU4%
Calcium 23mg2%
Iron 1.2mg7%
* Percent Daily Values are based on a 2000 calorie diet.