Rhubarb & custard cake - Good Food Middle East

Ingredients

• 1 quantity Barney's roasted rhubarb (see recipe, below method)
• 250g pack butter, softened, plus extra for greasing
• 150g pot ready-made custard (not the chilled kind; I used Ambrosia)
• 250g self-raising flour
• ½ tsp baking powder
• 4 large eggs
• 1 tsp vanilla extract
• 250g golden caster sugar
• icing sugar, for dusting