black pepper, coarsely ground
Preheat oven to 350 degrees.
Melt butter in a medium saucepan over medium heat.
Mix in lemon juice, salt, pepper, parsley flakes and garlic. Bring to boil.
Cook and stir about 10 minutes, until thickened.
Arrange cod filets in a single layer on a medium baking sheet.
Cover with 1/2 the butter mixture and sprinkle with lemon pepper. Cover with foil.
Bake 15 to 20 minutes in preheated oven, until fish is easily flaked with a fork.
Pour the remaining butter mixture over the fish to serve.