Preheat the oven to 180C.
Mix oats, cocoa powder, egg, and water or soy milk to create the base.
Bake the base for 15 minutes at 180C.
In a separate bowl, mix greek yoghurt, vanilla soy isolate, cornstarch, and crushed oreo cookies.
Spread the cheesecake mixture on top of the baked base.
Bake for an additional 30 minutes at 180C.
