Preheat oven to 350 degrees Fahrenheit (180 degrees Celsius).
Combine all filling ingredients.
Carefully remove two sheets of phyllo dough and spray them with cooking spray. Fill generously with nut mixture. Roll up into a long roll and place on a baking sheet lined with Gefen Parchment Paper.
Repeat with the rest of the dough, placing the rolls tightly one next to the other until the pan is full. Spray the top with more cooking spray and sprinkle more brown sugar on top.
Slice through all the rolls diagonally with a sharp knife so that you have diamond-shaped pieces.
Bake about 20 minutes, until golden.
Prepare syrup by bringing sugar and water to a boil until all the sugar is dissolved. Add lemon juice and cool.
Pour cool syrup over pastry as soon as it comes out of the oven.
For the filling, you can use any combination of nuts that you like.
Photography by Tamara Friedman