Mars Bar slice

1. Lightly grease an 18 x 28cm slice pan. Line base and 2 long sides with baking paper, extending paper 2cm above pan edge.


2. In a medium saucepan, stir Mars Bars and butter together over a low heat for 4-5 minutes until melted (see tip).


3. Place Rice Bubbles in large bowl. Blend in chocolate mixture until combined. Press firmly into prepared pan. Chill until firm.


4. Melt chocolate with oil in a heatproof bowl over a saucepan of simmering water. Spread evenly over slice. Chill until set. Using a hot knife, cut into small squares. Store in an airtight container in the fridge.