Place 1 cup sugar, water,& lemon juice in a pan & bring to boil.
Simmer for 5 minutes, stirring occasionally.
Cool.
Layout phyllo dough, cut in half& trim to fit a 9 by 13" pan.
Place 1/2 of dough in pan.
Combine filling ingredients, and spread over phyllo dough.
Cover with 2nd half of dough.
With a serrated knife, cut into triangles.
Drizzle evenly with melted butter.
Bake at 350 degrees for approximately 30 minutes, till golden brown.
Remove from oven& pour cooled syrup over hot baklava.