Step 1

Line an 18cm x 27cm slice tin with baking paper.

Step 2

In a large saucepan, combine 225g milk chocolate melts and condensed milk. Stir over gentle heat until chocolate has melted and mixture is smooth. Remove from heat, add rice bubbles and stir to combine. Press into an even layer in prepared slice tin. Refrigerate for 30 minutes to set.

Step 3

Melt dark chocolate melts in short bursts in the microwave, or in a bowl placed over a saucepan of simmering water. When smooth, pour over slice and smooth out into an even layer. Refrigerate for 15 minutes to set. Slice in to squares and serve.