Philly Burger

Directions

1. In a large bowl, combine 1 tablespoon Worcestershire sauce, 3 teaspoons mustard and half of the onions. Crumble beef over mixture; mix well. Form into four patties.
2. Grill, covered, over medium heat or broil 4 in. from the heat 6-9 minutes on each side or until a thermometer reads 160° and juices run clear.
3. Meanwhile, in a small bowl, combine cream cheese, mushrooms, parsley and remaining Worcestershire sauce and mustard. Spread cheese mixture onto cooked patties; top with remaining onions. Grill or broil 30 seconds longer or until onions are crisp-tender. Serve on Kaiser rolls.