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Confetti square made with rainbow marshmallows, butterscotch chips & peanut butter with a glass of milk and 2 squares in the background
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4.67 from 9 votes

Confetti Squares - AKA Peanut Butter Marshmallow Squares

Confetti squares are a super easy, 4 ingredient, no bake recipe. Also known as peanut butter marshmallow squares - these are soft, chewy, peanut butter-y and deliciously sweet! 
Prep Time15 minutes
Total Time1 hour 15 minutes
Course: Dessert
Cuisine: Canadian
Keyword: 8x8, Peanut Butter Marshmallow Squares
Servings: 16 squares
Author: Fiona Dowling

Ingredients

  • 1/4 cup unsalted butter
  • 1 cup peanut butter
  • 1 bag butterscotch chips , 300g
  • 4-5 cup rainbow marshmallows
US Customary - Metric

Instructions

  • Line an 8x8 or 9x9 inch pan with aluminium foil and lightly grease. 
  • In a medium saucepan over low heat melt together the butter, peanut butter & butterscotch chips.
  • Stir occasionally until the mixture is smooth. 
  • Remove from the heat and allow to cool to room temperature. 
  • Stir in the marshmallows.
  • Pour the batter into the prepared pan and set in the fridge to harden (about 1-2 hours).

Notes

Store bars in an airtight container in the fridge for up to 5 days. Bars can be frozen for up to 2 months, then thaw overnight in the fridge. 

Nutrition

Calories: 160kcal | Carbohydrates: 13g | Protein: 4g | Fat: 11g | Saturated Fat: 4g | Cholesterol: 8mg | Sodium: 85mg | Potassium: 105mg | Fiber: 1g | Sugar: 9g | Vitamin A: 89IU | Calcium: 8mg | Iron: 1mg