2) To make filling place the lemon juice and zest, honey, cinnamon, apples, and chopped nuts and gently heat for 3 mins, set aside to cool. Spread 1/3 of mixture onto buttered filo stack. Top apple mixture with another stack of buttered filo. Repeat process until mixture and filo is gone (there should be 3 layers). Bake in a preheated 180C/Gas 4 oven for 1 hr.
3) Mix sugar, honey, water and lemon and bring to simmer. Remove lemon rind and pour over baklava. Let soak overnight, cut into squares and serve.