A good introduction to fennel.
Instead of the dried rosemary, you can use 2 or 3 chopped fresh sprigs. 4 oz of Brie cheese is approximate. If your piece of Brie cheese weighs 4 1/2 oz, or 5 oz, or 120g, or 150g, don't be afraid to just use it all. No one is going to complain about too much cheese!