Remove the under
shell of the crawfish tail, leaving the hard shell
intact, then cut straight through to include it.
Remove the black intestine and then cut the crawfish
through in 1-inch slices.
Chop the pork.
Heat the oil and in it fry the crushed clove of
garlic till pale gold and discard it. Fry the pork
for 1 minutes add the crawfish pieces and fry them
also for 2-3 minutes.
Add the ginger
sherry, chicken stock, the three seasonings and
the tomato ketchup and cook fairly fast for 2-3
minutes.
Blend the corn-flour and the water, stir it
into the pan, bring to the boil and cook for 1 1/2
minutes. Arrange on the serving dish with the
shell-upwards.