Directions:

Mix all ingredients except cheese and bread. Shape mixture into 4 patties, refrigerate until grilling.

Grill patties for 12-15 minutes, turning once until done. Top patties with cheese.

Grill rye bread during last few minutes of grilling time to lightly toast. Place patties on bread, garnish if desired and cover with remaining slices of toasted rye bread.

Top with grilled onions if desired.