First soak the cashews in filtered water in the refrigerator overnight. Or for a fast soak bring to a boil then let them soak for 1 hour, drain the liquid & reserve the cashews
Prepare the crust by cookies with the cinnamon in a food processor until fine crumbs. Add the melted vegan butter & process until it resembles the consistency of wet sand
Press the crust mixture into the bottom of a 7" springform pan with a parchment paper liner & an acetate cake strip to line the rim of then pan for easy removal. Freeze crust
For the cheesecake filling prepare the custard by combining the plant milk with the sugar, cornstarch, agar & nutmeg in a medium sauce pot whisking constantly over medium to high heat until it comes to a boil
Remove from the heat & this custard to a high speed blender along with the soaked & drained cashews, the vegan cream cheese, lactic acid & vanilla extract
Blend smooth then pour onto the crust in the springform pan
Refrigerate (or freeze) until firm and set. At least 4 hours or overnight
Unmold & top with vegan whipped cream & a sprinkling of nutmeg or cinnamon