Steps:
1.
Clean and remove the scales from the slices of hake then season with salt and
lemon juice
2. Put a little olive oil in the bottom of
a deep casserole dish and lay the hake slices in the dish then chop the onion
and put this on top
3. Pour the cider over the contents
of the casserole dish and add a little more olive oil (about 1 tbsp) and the chopped
parsley
4. Place in a preheated oven (180 degrees) for
approx 20 mins or until the cider has reduced by about three quarters