Ingredients

• 4 x 65 g Mars Bars, chopped 
• 100g butter 
• 4 cups Rice Bubbles 
• 200 g dark chocolate
• 25 g butter extra

Method
Line a slice tray with baking paper.
Combine Mars Bars and butter in a saucepan. Stir constantly over low heat, without boiling, until the mixture is smooth.
Stir in Rice Bubbles and press mixture evenly into lined tray.
Melt the chocolate and butter in the microwave on a low setting, stirring every 20-30 seconds. 
Spread the chocolate evenly over the slice mixture and refrigerate until topping is set. Slice into squares.