Pink marble sandwich cake - Good Food Middle East

Ingredients

• 225g butter, at room temperature, plus extra for the tin
• 225g golden caster sugar
• 225g self-raising flour
• 4 large eggs, lightly beaten
• 4 tbsp seedless raspberry jam
• a few drops of pink food colouring (optional)
• 1 tsp vanilla extract
• 1-2 tbsp icing sugar, for dusting
• 200g white chocolate, chopped
• 100ml double cream