To a clean food processor, add tofu, coconut cream, sugar, soaked cashews, lemon zest and juice, vanilla, salt, and cornstarch. Blend on high until creamy and smooth.
Pour the filling over the crust and gently slam the cheesecake on the counter to get rid of any air bubbles. Use a spatula to smooth out the top of the cheesecake.
Transfer pan to a slightly larger deep pan. Fill the larger pan with water, about halfway up on the springform pan. Bake the cheesecake for 50-60 minutes at 350*F/ 175*C.
To make the salted caramel layer, add the coconut cream, sugar, vanilla, and salt to a small saucepan over medium heat. Cook the mixture until it starts to boil. Stir constantly.
Once boiling, add in cornstarch and whisk in, making sure to break up all of the clumps. Cook until the sauce starts to thicken, then remove from heat.