Wrap-your-own spring rolls

INGREDIENTS

• 300g pack cooked rice noodles from the chiller cabinet (see tips)
• about 400g/14oz mixed vegetables , thinly sliced and put in separate bowls, such as red peppers, beansprouts, carrots, shredded Chinese leaf cabbage, spring onions
• 140g cooked prawns
• 100g cooked chicken or duck, shredded
• 2 garlic cloves , finely chopped
• small piece ginger , finely chopped
• splash light soy sauce
• Chinese five-spice powder , for sprinkling
• 8-10 sheets of brik or filo pastry (see tips)
• 1 egg , beaten
• sesame seeds , for sprinkling if you want
• 100g reduced salt and sugar ketchup
• 1 tbsp white wine vinegar
• small piece ginger , grated
• pinch of caster sugar