For the Syrup:

1. In a pot, combine the sugar and water. Stir well and bring to a boil.
2. Once boiling, add the lemon juice and let it simmer for a few more minutes.
3. Remove from heat and set aside to cool.

Assemble the Baklava:

1. Lay out a sheet of filo dough.
2. Brush it lightly with melted ghee.
3. Sprinkle a generous amount of crushed walnuts over the sheet.
4. Fold the dough and shape it into a flower-like form.

Bake:

1. Place the shaped baklava pieces on a baking tray.
2. Bake in a preheated oven at 180°C (350°F) until golden brown.

Finish:

1. Once baked, pour the cooled syrup over the hot baklava.
2. Allow it to soak for a few hours before serving.

Enjoy your homemade baklava!