Preheat oven to 325 °F. Make crust. Make filling. Pour into crust. Bake for 1 hour to 1 hour, 15 minutes, or until center is almost set, but still slightly jiggly. (Do not overbake, as it will firm as it cools). Let cool completely. Make lemon curd. Run a thin blade around the edge of the springform pan and remove sides. Transfer to a serving plate. Spread lemon curd over top. Let stand at room temperature for 30 minutes. Garnish with raspberries and zest, if desired. Cool cheesecake in refrigerator several hours or overnight before serving.
