Oysters Rockefeller

Yield:	1 Servings
Categories:

2		Dozen large oysters; shucked, with all their liquor and the deeper halves of their shells reserved and scrubbed
1		Bottle of clam broth
2		Sticks butter; cubed
1	c	Flour
1	c	Minced onions
3	tb	Anchovy paste
1	tb	Chopped garlic
1 1/2	lb	Fresh watercress; washed, patted dry, trimmed, and finely chopped
1 1/2	lb	Fresh spinach; washed, patted dry, trimmed and finely chopped
1/2	c	Herbsaint
		Rock salt
1/2	c	Grated Parmesan cheese