One peanut butter chocolate confetti square on a piece of wax paper. Glass of milk and plate of squares in the background.

Chocolate Confetti Squares

Chocolate confetti squares are a super easy, retro dessert with only 4 ingredients. They're soft and chewy with a delicious hint of peanut butter and sweet, fluffy marshmallow texture.
Course Dessert
Prep Time 10 minutes
Total Time 10 minutes
Servings 16 squares
Author Fiona Dowling


  • 1/4 cup unsalted butter
  • 1/2 cup smooth peanut butter
  • 1 1/4 cup chocolate chips , milk, dark or semi-sweet
  • 4-5 cups rainbow mini marshmallows


  • Line an 8x8 or 9x9 inch pan with aluminium foil and lightly grease, or line with parchment paper. 
  • In a medium sauce pan over low heat melt together the butter, peanut butter and chocolate chips. Stir occasionally. 
  • Remove from the heat and allow to cool.
  • Once the mixture is no longer hot, stir in the mini marshmallows. (If the pan is still hot, the marshmallows will melt. 
  • Pour into the prepared pan and allow to set in the fridge for 2 hours.