1 Tbls. butter OR vegetable oil
2 cups chopped onion
1 lb. ground beef
1 egg white – beaten
1 Tbls. Worcestershire sauce
1 tsp. beef soup base OR 1 beef bouillon cube – crushed
1/2 tsp. seasoned salt
1/4 tsp. black pepper
Sauté onions in butter or oil until tender; remove from heat; drain any remaining butter or oil from pan; allow to cool.
Fold together cooled onions and remaining ingredients; divide into 4 equal portions; shape into 3/4″ thick patties.
Grill burgers over a medium flame OR cook in a greased skillet, turning once, until cooked through.