Spicy Duck Casserole

Yield:	4 Servings
Categories:	Game, Wild

14 1/2	lb	Ducking (fresh or frozen)
2	md	Red onions; cut in half
2	md	Yellow onions; cut in half
1/4	c	Soy sauce
2	tb	Dry sherry
1	tb	Ginger root; grated
1	ts	Sugar
2		Whole star anise (or tsp aniseed)
20	oz	Brussel sprouts