Step 1

Grease an 18 x 28cm slice pan. Line base and sides with baking paper, allowing the paper to overhang two long sides.

Step 2

Place dark chocolate in a microwave-safe bowl. Microwave on High, stirring every 30 seconds, for 1-2 minutes or until melted and smooth. Pour into the prepared pan. Use a spatula to spread evenly over the base. Sprinkle with the chopped biscuit, spearmint leaves and mini white marshmallows. Place in the fridge for 10 minutes or until the chocolate has set.

Step 3

To make the white chocolate layer, place white chocolate in a microwave-safe bowl. Microwave on High, stirring every 30 seconds, for 1-2 minutes or until melted and smooth. Set aside for 5 minutes to cool slightly. Pour white chocolate over the dark chocolate layer, tilting pan to evenly cover the surface. Scatter over the Aero chocolate, coconut and green marshmallows. Place in the fridge for 10 minutes or until chocolate has set.

Step 4

To make the milk chocolate layer, place milk chocolate in a microwave-safe bowl. Microwave on High, stirring every 30 seconds, for 1-2 minutes or until melted and smooth. Set aside for 5 minutes to cool slightly. Pour milk chocolate over white chocolate layer, tilting pan to evenly cover the surface. Sprinkle with the chocolate balls, coconut and white marshmallows. Place in the fridge for 30 minutes or until set.

Step 5

Set the slice aside, at room temperature, for 10-15 minutes to or until softened slightly. Cut into squares to serve.Watch our step-by-step video below to see how to make this Triple-decker choc-mint rocky road recipe.