Ground Beef Philly Cheesesteak Grilled Cheese

taken from dinner then dessert

1 lb ground beef
1/2 tsp salt
1/2 tsp pepper
1 T worcestershire sauce
2 T butter
1 onion chopped
1/2 bell pepper chopped
American Cheese slices

Brown beef.  Add worcestershire sauce and salt and pepper.  Put aside and saute onions and bell peppers until caramelized.  Add to the meat mixture and stir well.  Salt and pepper to taste.
Butter bread and put meat mixture inside with cheese slices.  Grill and press together lightly so sandwiches stay closed.