01 - Preheat oven to 340°F (170°C). Grease and line a 9-inch springform pan.
02 - Layer 6 sheets of phyllo dough in the pan, brushing each sheet thoroughly with melted butter. Evenly sprinkle half the pistachios, walnuts, sugar, and cinnamon mixture over the base. Layer the remaining 6 sheets, brushing each with melted butter, and top with the remaining nut mixture. Press gently to compact.
03 - Bake the crust in the preheated oven for 10 minutes. Remove and let cool slightly.
04 - Beat the cream cheese until smooth using an electric mixer. Blend in Greek yogurt, sugar, and lemon zest. Add eggs one at a time, mixing well after each addition. Stir in vanilla extract.
05 - Pour the cheesecake filling over the cooled baklava crust and tap gently to release any air bubbles. Bake for 45 minutes or until the center is just set with slight wobble. Turn off oven, open the door slightly, and let it cool inside for 1 hour.
06 - Transfer cheesecake to the refrigerator and chill for at least 3 hours, or overnight for best results.
07 - Combine honey, water, sugar, and lemon juice in a small saucepan. Heat gently, stirring until sugar dissolves. Simmer for 3 to 4 minutes. Cool to room temperature.
08 - Before serving, pour honey syrup over the chilled cheesecake and scatter with chopped pistachios.