Marshmallow Popcorn Bars


With only 3 ingredients (popcorn, marshmallows, and butter), these bars take just 10 minutes of prep time.

Marshmallow Popcorn Bars
These easy 3-ingredient bars take just 10 minutes of prep time. Get the recipe. Photo: John Kernick
Hands On Time:
10 mins
Total Time:
20 mins
24 bars


  • 2 tablespoons unsalted butter, plus more for the dish

  • ½ cup popcorn kernels or one 3.5-ounce package plain microwave popcorn

  • 1 10-ounce bag marshmallows


  1. Butter a 9-by-13-inch baking dish. Pop the popcorn according to the package directions.

  2. Melt the butter and marshmallows in a large saucepan over medium-low heat, stirring until smooth, 5 to 7 minutes.

  3. Fold in the popcorn until coated. Press into the prepared dish and let sit for 10 minutes before cutting into 24 bars.

Nutrition Facts (per serving)

69 Calories
1g Fat
13g Carbs
Nutrition Facts
Calories 69
% Daily Value *
Total Fat 1g 1%
Saturated Fat 1g 5%
Cholesterol 3mg 1%
Sodium 41mg 2%
Total Carbohydrate 13g 5%

*The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

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