Indian Broiled Fish with Many Spices

Yield:	4 Servings
Categories:	Asian, Shellfish

2	tb	Lemon juice
2	tb	Dry mustard
2	ts	Ground cumin
1	ts	Ground coriander
1	ts	Salt
1/4	ts	Garam masala (optional, See NOTE)
4		Swordfish or halibut steaks, 1-inch thick (about 2 lb)
2	tb	Melted margarine or butter