CaliPhilly Cheeseburgers

Directions

1. 1
   Combine 1 tablespoon Worcestershire sauce, 3 teaspoons of mustard, and half of the onions in a large bowl.
2. 2
   Mix in the ground beef, and mold into patties (about 4, depending upon how big you make the patties).
3. 3
   Grill, covered, over medium heat, for 6 to 9 minutes on each side or you can pan fry them to desired doneness (dont turn them too oftenabout 4 minutes on each side should give you a medium burger).
4. 4
   Cook mushrooms while burgers are cooking.
5. 5
   In a small skillet, over medium heat, melt butter and add sliced mushrooms, cook until done.
6. 6
   Mix the remaining 1 tablespoon Worcestershire sauce, cream cheese, the remaining 1 teaspoon mustard, and the parsley.
7. 7
   Spread over the cooked burgers.
8. 8
   Top with sauteed mushrooms, Swiss cheese slices, sliced avocado and (if desired) top with the remaining onions.
9. 9
   Serve with mayo, lettuce and tomatoes on hamburger buns if desired.
10. 10
    Yummy!
11. 11
    Happy cooking!