Lightly spray 9-inch springform pan with non stick cooking spray and set aside.
In a small bowl, stir ingredients for crust until moistened. Press into the bottom and slightly up the sides of prepared pan. Bake 8 minutes or until lightly browned. Set aside to cool.
For filling, place all ingredients except the milk into a high powdered blender and blitz 1-2 minutes, sprinkling in the milk as needed, until completely smooth. Pour into prepared crust, cover and refrigerate 2 hours or so until set.