300g/10½oz pumpkin, peeled and cut into bite-sized pieces
2 tbsp caster sugar
3 tbsp ginger syrup (from a jar of stem ginger)
3 pieces stem ginger, finely chopped, plus extra for garnish
10 gingernut biscuits
25g/1oz butter, cubed
50g/1¾oz melted butter
200g/7oz cream cheese
200ml/7fl oz double cream, whipped
100g/3½oz thick Greek yoghurt