1. Remove head, Shell, devein and clean the prawns, pat dry, save
the prawn heads.
2. Clean and blanch the pork skin for 5 minutes, then soak in cold
water. Cook the pork skin with the prawn heads, celery and 2 bowl of water under low heat
to make a thickening soup.When it is done, strain the soup.
3. Cook the prawns in soup, add in the salty olive slices to warm,
then place the mixture in deep bowl. When cooled, put them into the refrigerator and serve
when they are set.
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