finely chopped onion
1Mix all the ingredients together except the beer.
2Shape mixture into 6 patties, each about 1-inch thick.
3Place the patties in an ungreased baking dish, 10 X 6 X 1 3/4-inches.
4Pour the beer over the patties, then cover and refrigerate at least 3 hours. (Meat may turn gray, but is ok)
5Remove patties from the marinade.
6Broil or grill the patties 4 inches from the heat, turning once, to the desired doneness, about 15 to 20 minutes.