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Peanut Butter Marshmallow Squares

Published: Apr 27, 2025 by Linda · This post may contain affiliate links ·

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Savor the Sweet Delights of Peanut Butter Marshmallow Squares

Embark on a delicious journey with these peanut butter marshmallow squares, combining the rich flavors of butterscotch and peanut butter with pillowy soft marshmallows in every bite.

Peanut Butter Marshmallow Squares

Whether it's an after-school treat or a potluck contribution, these delightful squares bring together beloved flavors that will have everyone reaching for seconds.

Perfect for both busy parents and aspiring bakers alike, these peanut butter marshmallow squares capture the essence of nostalgic candy-making. Ready to create a treat that's both simple and spectacular? Let's dive into this quick and utterly rewarding recipe.

Peanut Butter Marshmallow Squares: Your New Favorite No-Bake Treat

These peanut butter marshmallow squares not only deliver incredible flavor but also require no baking at all. Furthermore, the combination of butterscotch, peanut butter, and fluffy marshmallows creates a perfect harmony of tastes and textures.

Here's your guide to achieving that perfect balance of chewy and creamy textures, complete with professional tips to ensure your marshmallow squares turn out wonderfully every time.

Serving Suggestions:

Enhance your peanut butter marshmallow squares experience with these perfect pairings:

  • Serve alongside a cold glass of milk
  • Package in decorative boxes for gifting
  • Present on a dessert platter with fresh fruit
  • Pair with hot chocolate or coffee
  • Garnish with a drizzle of melted chocolate

Pro Tips for Perfect Peanut Butter Marshmallow Squares:

  1. Temperature Control: Allow the butterscotch mixture to cool properly before adding marshmallows to prevent melting.
  2. Pan Preparation: Line your pan with parchment paper, leaving overhang for easy removal.
  3. Cutting Technique: Use a warm knife, cleaned between cuts, for the cleanest squares.
  4. Storage Method: Keep in an airtight container with wax paper between layers.
  5. Marshmallow Selection: Choose fresh, soft marshmallows for the best texture.
Peanut Butter Marshmallow Squares

Delightful Peanut Butter Marshmallow Squares Recipe:

  • Preparation time: 15 minutes
  • Chilling time: 2 hours
  • Servings: 16 squares
  • Equipment: 8-inch square pan, microwave-safe bowl, spatula

Transform your kitchen into a candy-making workshop with these irresistible squares that combine childhood favorite flavors.

Ingredients:

  • 2 cups butterscotch chips
  • 1 cup smooth peanut butter
  • 4 tablespoons unsalted butter
  • ½ teaspoon vanilla extract
  • Pinch of salt
  • 1 (10-ounce) bag mini marshmallows
  • Cooking spray
  • Parchment paper

Directions:

  1. Prepare Your Pan: Spray an 8-inch square pan with cooking spray and line with parchment paper.
  2. Create the Base: Microwave butterscotch chips and peanut butter together, stirring until smooth.
  3. Add Flavoring: Stir in vanilla extract and salt until well combined.
  4. Cool Mixture: Allow the butterscotch mixture to reach room temperature.
  5. Incorporate Marshmallows: Gently fold in the marshmallows until evenly distributed.
  6. Set the Squares: Pour into prepared pan and spread evenly.
  7. Chill and Cut: Refrigerate for 2 hours, then cut into squares.
  8. Perfect the Presentation: Clean your knife between cuts for professional-looking squares.

Ready to Relish!

These peanut butter marshmallow squares offer the perfect balance of chewy and creamy textures, creating a treat that's both nostalgic and exciting.

Storage Solutions:

Keep your peanut butter marshmallow squares fresh and delicious with these storage tips:

  • Store in an airtight container at room temperature for up to 5 days
  • Place wax paper between layers to prevent sticking
  • Keep away from direct sunlight or heat
  • Can be refrigerated for firmer texture
  • For best results, consume within one week
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Peanut Butter Marshmallow Squares

Peanut Butter Marshmallow Squares

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Transform your kitchen into a candy-making workshop with these irresistible squares that combine childhood favorite flavors.

  • Total Time: 2 hours 15 minutes
  • Yield: 16 squares 1x

Ingredients

Scale
  • 2 cups butterscotch chips
  • 1 cup smooth peanut butter
  • 4 tablespoons unsalted butter
  • ½ teaspoon vanilla extract
  • Pinch of salt
  • 1 (10-ounce) bag mini marshmallows
  • Cooking spray
  • Parchment paper

Instructions

  • Prepare Your Pan: Spray an 8-inch square pan with cooking spray and line with parchment paper.
  • Create the Base: Microwave butterscotch chips and peanut butter together, stirring until smooth.
  • Add Flavoring: Stir in vanilla extract and salt until well combined.
  • Cool Mixture: Allow the butterscotch mixture to reach room temperature.
  • Incorporate Marshmallows: Gently fold in the marshmallows until evenly distributed.
  • Set the Squares: Pour into prepared pan and spread evenly.
  • Chill and Cut: Refrigerate for 2 hours, then cut into squares.
  • Perfect the Presentation: Clean your knife between cuts for professional-looking squares.
  • Author: Linda
  • Prep Time: 15 minutes
  • Cook Time: 2 hours

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Linda Cooking

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Hi, I’m Linda! I love cooking simple, yummy meals that make people smile. On my blog, you’ll find easy recipes made with love for family and friends.

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