01 - Preheat oven to 340°F. Grease and line a 9-inch springform pan.
02 - Layer 6 phyllo sheets in pan, brushing each with melted butter. Sprinkle half the pistachios, walnuts, sugar, and cinnamon. Layer remaining 6 phyllo sheets with butter, then top with remaining nut mixture. Press gently.
03 - Bake crust for 10 minutes until golden. Remove from oven and let cool slightly.
04 - Beat cream cheese until smooth. Add Greek yogurt, sugar, and lemon zest; mix until combined. Add eggs one at a time, beating well after each. Stir in vanilla extract.
05 - Pour filling over cooled crust. Tap pan to release air bubbles. Bake at 340°F for 45 minutes until center is just set and slightly wobbly.
06 - Turn off oven, open door slightly, and let cheesecake cool inside for 1 hour. Transfer to refrigerator and chill at least 3 hours or overnight.
07 - Combine honey, water, sugar, and lemon juice in small saucepan. Heat gently until sugar dissolves. Simmer 3-4 minutes, then cool completely.
08 - Pour cooled syrup over chilled cheesecake. Sprinkle with chopped pistachios. Serve immediately or return to refrigerator until serving.