Preheat your oven to 180°C
In a bowl, whisk together the eggs, yoghurt, and oil until it's smooth and creamy
Add the self-raising flour, sugar, cocoa powder, baking soda, and chocolate chips. Stir it all together until just combined
Pour the batter into a lined and oiled cake tin. Smooth out the top
Bake in the oven for 1 hour, or until a toothpick comes out clean
In a microwave-safe bowl, heat the cream and dark chocolate chips for 1 minute. Stir until it's silky smooth, then let it cool
Once the cake and icing are cool, spread the icing generously on top
