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Close up view of peanut butter marshmallow squares with coloured marshmallows on parchment paper.
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4.87 from 180 votes

Peanut Butter Marshmallow Squares Recipe

These classic Peanut Butter Butterscotch Marshmallow Squares are one of my favourite nostalgic childhood treats. Creamy peanut butter and butterscotch chips mixed in with rainbow coloured marshmallows are truly a match made in heaven!
Prep Time15 minutes
Chill Time1 hour
Total Time1 hour 15 minutes
Course: Christmas
Cuisine: American
Servings: 20 pieces
Calories: 238kcal

Ingredients

  • 1 package butterscotch chips 300g package (I used Chipits)
  • 1 cup crunchy or creamy peanut butter
  • ½ cup butter
  • 1 package rainbow miniature marshmallows 250g package
  • 1 tsp vanilla extract

Instructions

  • Put bag of marshmallows in the freezer and line an 8×8 pan with parchment paper.
  • Melt butterscotch chips, peanut butter, and butter in a medium saucepan over low heat, stirring until smooth. Remove from heat, and let cool to ensure the marshmallows don't melt in next step.
  • Quickly fold in vanilla and marshmallows.
  • Spread mixture into 8×8 or 9x9 inch pan and gently spread with a spatula or spoon.
  • Refrigerate until firm. Approximately 1 hour.
  • Remove from pan and slice into squares. Store squares in refrigerator or freezer.

Notes

Nutrition

Serving: 1grams | Calories: 238kcal | Carbohydrates: 23g | Protein: 3g | Fat: 15g | Saturated Fat: 8g | Polyunsaturated Fat: 6g | Cholesterol: 12mg | Sodium: 121mg | Fiber: 1g | Sugar: 18g