Sprinkle about 1/2 cup of the chopped nut mixture over the 10th layer of phyllo dough, then top with 3 moresheets of pastry and brush with butter between each sheet, then sprinkle with more nuts.
Phyllo dough, also spelled «fillo» comes into tissue thin sheets, stacked and wrapped together into rolls or flat squares and can be find fresh (more rarely) or frozen in the frozen food section.