Mackerel in foil

Recipe second for 4 people based on Mackerel.

Preparation:

Preparation: Clean and wash the spinach leaves well - in plenty of water and dry them. Clean the fish, removing the fins and entrails, wash it, dry it and season it, inside and out, with 1 pinch of salt and plenty of pepper. Take 4 squares of aluminum foil of such a size that they can each contain a fish and divide the spinach leaves over them. On these put the fish and close the parcels. Then arrange them in a baking dish with a little water and bake at 210 degrees for about 20 minutes