Peel and cut the pear into eighths.
Shallow-fry them in 2 tablespoons of oil for about 1 minute.
Make sure all the surfaces have been coated in oil.
Slice the ham into thin slices and arrange them round the sides of a bowl.
Put the sugar in the centre and cover with the pear chunks.
Steam for 1 hour.
Drain the liquor and mix with the cornflour paste.
Return to the bowl and steam for another 5 minutes.
Serve by reversing the bowl on a plate so that the ham lies on a bed of pears.