Savoury Steak

Yield:	4 Servings
Categories:	Australian, Meats, Herbs

2	lb	Steak
2		Onions, finely chopped
2	ts	Brown sugar
2	ts	Salt
1/2	ts	Pepper
1	pn	Cayenne
2	ts	Capers, chopped
2	ts	Mixed herbs, including thyme, sage and oregano
1/3	c	Ketchup (or tomato sauce, in the Australian sense, if you can get it)
2	ts	Worcestershire sauce
1/3	c	Vinegar