Leftover veg & orange cake - Good Food Middle East

Ingredients

• 200g butter, melted, plus extra for greasing
• 140g sultanas or raisins
• zest and juice 2 oranges, or 4 clementines
• 300g self-raising flour
• 300g light soft brown sugar
• 2 tsp mixed spice
• 1 tsp ground ginger
• 1 tsp bicarbonate of soda
• 4 large eggs, beaten with a fork
• 300g carrots, parsnips, pumpkin, butternut squash or swede, or a mixture, grated
• 200g icing sugar or fondant icing sugar
• few crushed white sugar cubes