For the baked fish with broccoli, grease a baking dish, put the fish in it. Salt, pepper, sprinkle with lemon juice. Layer broccoli on top.
Preheat oven to 200 °C. Grate Emmental and mix with sour cream, salt, pepper, nutmeg and parsley.
Pour over the fish and bake for 15 minutes. Arrange the baked fish with broccoli and serve.