Fish and Shrimp Casserole with Mashed Potatoes and Peas
Cut potatoes into medium pieces, boil. Drain water, add butter and lemon zest, mash. Pour the peas in a small amount of water, make a puree.
Boil fish in milk.
Cut carrots and onions into cubes, fry in oil. Add flour, mustard, fish milk. Mix and pour into a large baking dish.
Arrange shrimp and spinach in a bowl.
Put the fish, sprinkle with lemon juice, sprinkle with grated cheese.
Put mashed potatoes and mashed peas on top, make a "bouffant" with a spoon. Drizzle with olive oil. Bake at 180 degrees for 30-40 minutes. Enjoy your meal!