Rose and chai spiced pistachio pudding

102g of pistachio nuts

50g of caster sugar

2 tsp cornflour

3 tbsp of fine semolina

1 tsp vanilla extract

dried rose petals

1 tsp rose water

2 tsp butter

500ml of whole milk

2 tbsp of whipping cream, optional

1/4 cinnamon stick

4 cloves

2 green cardamom pods