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.