|Ground beef||1 1⁄2 Pound|
|Dry bread crumbs||1⁄4 Cup (4 tbs)|
|Onion||1 Small, finely chopped|
|Worcestershire sauce||1 Teaspoon|
Mix all ingredients except fillings.
Shape mixture into 12 thin patties, about 3 1/2 inches in diameter.
Top each of 6 patties with a filling, spreading to within 1/2 inch of edge.
Cover wih a remaining patty, sealing edges firmly.
Broil or grill patties 4 inches from heat, turning once, to desired doneness, about 10 minutes.