Puff Pastry Showstoppers

Name: Puff Pastry Showstoppers
Ingredients: 30g/1 oz white wine vinegar; 500g/1 lb 2 oz plain flour; 1 tbsp salt; 400g/14 oz unsalted butter; 50g/1¾ oz icing sugar, for dusting; 1 free-range egg, beaten; 8 free-range egg yolks; 130g/4½ oz caster sugar; 20g/¾ oz cornflour; 700ml/1¼ pint milk; 50g/1¾ oz white chocolate, finely chopped; 1 tbsp chopped fresh thyme; 1 unwaxed orange, zest only; 1-2 tsp orange extract; 200ml/7 fl oz double cream, whipped to soft peaks; 4 sheets gelatine, soaked in water for 10 minutes; 200ml/7 fl oz orange juice; 2½ sheets gelatine, soaked in water for 10 minutes; 2-3 tbsp malt extract, to taste; 100g/3½ oz icing sugar; 2 tsp dried powdered malt; 2 pears (such as Williams or Rocha), ripe but still firm, peeled and sliced 1cm/½ in thick; 80g/3 oz unsalted butter, softened; 40g/1½ oz brown sugar; 100g/3½ oz plain flour; 1 tsp finely chopped fresh lemon thyme; 50g/1¾ oz unsalted butter; 50g/1¾ oz soft brown sugar; 25g/1 oz barley malt syrup; 25g/1 oz golden syrup