Raspberry red velvet cake - Good Food Middle East

Ingredients

• 280g golden caster sugar
• 175g butter, softened
• 3 large eggs
• 280g self-raising flour
• 75g cocoa powder
• 150ml buttermilk
• 1 tsp white wine vinegar
• 85g full-fat cream cheese
• 75g puréed raspberries, sieved to remove seeds
• ¼ tsp red food gel
• 150g punnet raspberries, optional
• 200g icing sugar
• 50g butter, softened
• 140g cream cheese