Mackerel baked with mushrooms

Sprinkle the mackerel fillets with lemon juice, salt and pepper.

Cut the mushrooms and onion into cubes, fry in vegetable oil, salt and pepper to taste.

Fold the foil in 2 - 3 layers.

Grease a little with vegetable oil, lay the mackerel skin side down.

Grease with mayonnaise in a thin layer, put mushrooms and onions, smooth and sprinkle with cheese grated on a fine grater.

Bake in the oven or in the airfryer.

Enjoy your meal!