Cod Au Gratin - cooking recipe

Ingredients

4 tablespoons butter
2 tablespoons flour
1 teaspoon salt
1 cup cheese, grated
1 teaspoon pepper, to taste
2 cups milk
2 1/2 cups fresh cod

Preparation

Melt butter, add flour, salt and pepper.
Stir to make a paste.
Add milk and cook until it thickens, stirring constantly.
Grease a 2-quart casserole.
pour a little of the sauce over the bottom.
Add a layer of cod, sprinkle with cheese.
Repeat these layers until all ingredients are used, ending with a layer of cheese.
Bake at 350 until nicely browned (about 1/2 hour).