Fish Fumet

Yield:	1 servings
Categories:

4	lb	Heads and bones from bass;
		Red snapper; or halibut
4	tb	Corn oil
2	md	Onions; thinly sliced
1/2	sm	Fennel bulb; thinly sliced
12		Leeks; thinly sliced
30		Whole white peppercorns
1	ts	Fine sea salt
2		Sprigs fresh flat-leaf parsley
2		Bay leaves
2	c	Dry white wine