1. Melt milk chocolate in microwave on 50% power for 3 minutes.
2. Melt white chocolate in microwave on 50% power for 3 minutes.
3. Line a baking sheet with baking paper.
4. Pour melted chocolate onto the baking sheet.
5. To mix both chocolates, swirl together with a skewer or butter knife.
6. Get creative and add your toppings.
7. Transfer to fridge to set.
8. Break into large chunks to serve.