Broiled catfish (or trout, if you don't like catfish) filets are outstanding.
Take your broiler pan and remove the vented thingy that goes on top (where steaks would go). Line the pan with foil and coat it with butter or Pam.
Brush or coat the fish with regular old Italian dressing. Broil for... I can't remember, but less than 10 minutes.
Moist, succulent, delicious.
I learned a ton from this cookbook for beginners:
Now You're Cooking