Millionaire's chocolate tart - Good Food Middle East

Ingredients

• 375g pack dessert shortcrust pastry
• 1 tsp vanilla paste or extract
• flour, for dusting
• 250g/9oz caramel (we used Carnation caramel from a can)
• 100g 70% plain chocolate, broken into pieces
• 100g white chocolate, broken into pieces
• 6 tbsp melted butter
• 2 eggs, plus 3 egg yolks
• 4 tbsp golden caster sugar
• icing sugar and single cream, to serve (optional)