01 -
Combine cookie crumbs, melted unsalted butter, fine sea salt, and powdered sugar in a food processor. Pulse until the mixture is evenly moistened. Press firmly into the base of an 8-inch cake pan lined with parchment paper.
02 -
Preheat the oven to 175°C. Bake the pressed crust for 10 minutes. Remove from oven and cool, then chill to set while preparing the filling.
03 -
Blend softened cream cheese, granulated sugar, and sea salt in a mixer until completely smooth and creamy. Add vanilla extract and blend again until incorporated.
04 -
Mix in pistachio butter and sour cream, ensuring the mixture becomes velvety and homogenous.
05 -
Add eggs one at a time, mixing gently until just combined. If using, add lemon zest and pulse briefly.
06 -
Reduce the oven temperature to 160°C. Pour the filling over the prepared crust. Place the pan in a larger roasting pan and add hot water to create a water bath. Bake for approximately 50 minutes, until the edges are set but the centre remains slightly jiggly.
07 -
Switch off the oven and leave the cheesecake inside with the door slightly open for 30 minutes to cool gradually. Transfer to the refrigerator and chill for a minimum of 8 hours before serving for perfect texture.