below shows the life cycle of a salmon, from egg to adult fish‎

This

diagram shows that there are a number of processes involved in the ‎commercial production of frozen

fish

pies.overall, The main ingredients consist of fresh ‎salmon, peas and sauce, with sliced potatoes, and they are prepared separately. ‎ The potatoes, which may have been delivered up to a month in advance, are ‎cleaned, peeled and cut into slices. The slices are boiled and

then

chilled before ‎being stored until needed. The preparation of the

fish

is more labour intensive ‎than the preparation of the potatoes. Within twelve hours of being delivered to ‎the factory, the fresh

fish

is cooked by being steamed with lemon juice and salt. ‎

Then

the skin and bones are removed by hand and disposed of

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before a visual ‎inspection takes place.‎ After

this

, the pies are assembled in microwaveable containers Peas and sauce, ‎which have

also

been prepared, are added to the

fish

and

then

the pie is covered ‎with a layer of cooked potato slices. The pies are

then

wrapped and frozen. At ‎

this

point

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they are ready for dispatch, or they may be stored at the factory before ‎being dispatched.‎