Kebab Marinovat (Marinated Lamb Kebab)

Yield:	6 Servings
Categories:	Grilled, Jewish, Afghani, Lamb

2	lb	Boneless lamb steak; cut into 1-in cubes
3	md	Onions; quartered
1	ts	Salt
1	ts	Ground cuminseed
1/4	ts	Pepper
1/4	c	Cognac; arak, or dry red wine