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Peanut Butter Marshmallow Squares

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No-bake, ultra-simple squares combining creamy peanut butter, soft marshmallows, and crunchy graham cracker crumbs for a nostalgic, sweet-salty treat.
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Prep Time 15 minutes
Total Time 1 hour 15 minutes
Servings: 16 squares
Course: Dessert, Snack
Cuisine: American
Calories: 180
Ingredients Method Nutrition Notes

Ingredients
  

Base Ingredients
  • 1 cup peanut butter (smooth or crunchy) See notes for variations.
  • 1 cup marshmallows (mini work best) Use tiny marshmallows for even distribution.
  • 1 cup graham cracker crumbs About 8 full crackers crushed.
  • 1/2 cup butter 1 stick.
  • 1/2 cup powdered sugar Reduce to 1/3 cup for less sweetness.
  • 1 teaspoon vanilla extract

Method
 

Preparation
  1. Place the butter and peanut butter in a large microwave-safe bowl. Heat in 20–30 second bursts, stirring between each, until completely melted and smooth. Alternatively, melt gently in a small saucepan over low heat.
  2. Immediately stir in the powdered sugar and vanilla until the mixture is uniform.
  3. Fold in the marshmallows and graham cracker crumbs until evenly distributed while the mixture is still warm.
  4. Press the mixture firmly into a greased 9×9-inch pan using the back of a spoon or a piece of parchment.
  5. Refrigerate for at least 1 hour, or until set. For faster setting, place in the freezer for 20–30 minutes.
  6. Cut into squares and serve chilled or at cool room temperature.

Nutrition

Serving: 1gCalories: 180kcalCarbohydrates: 20gProtein: 4gFat: 9gSaturated Fat: 4gSodium: 90mgFiber: 1gSugar: 10g

Notes

Store in an airtight container in the refrigerator for up to 4-5 days. Can freeze up to 2 months. Use room-temperature butter for even melting.
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