Magical reindeer cake - Good Food Middle East

Ingredients

• 200g salted butter, softened, plus more for the tin
• 200g plain chocolate, chopped
• 240g light muscovado sugar
• 3 medium eggs and 3 medium egg yolks, beaten together
• 2 tsp vanilla bean paste
• 150g full-fat soured cream
• 180g self-raising flour
• 40g cocoa powder
• 1 tsp baking powder
• 200g dark chocolate
• 100g salted butter
• 50g double cream
• 200g unsalted butter, very soft
• 400g unrefined Billington's icing sugar, sifted (this is a pale biscuit colour, not white)
• 200g light muscovado sugar
• 200g butter, softened
• 1 tsp vanilla bean paste
• 1 large egg
• 375g plain flour
• 2 tsp ground ginger
• 2 tsp cinnamon
• large pinch mixed spice
• Brown, black, red, green and white ready-to-roll fondant icing