Preheat oven at 200 C.
Crush the biscuits coarsely in food processor along with melted butter or ghee. Line this on the bottom and sides of a pie dish, pressing firmly with your fingers or the bottom of a cup / glass.
Place this in preheated oven for 10 minutes. Remove and let cool till the filling is ready.
Next, puree the sliced apples and when its almost done, add the paneer, cinnamon and sugar to get a smooth puree of apple and paneer. Add sugar depending on sweetness of apples.
Turn this puree into the baked crust, smoothen out and bake for 45 minutes or so at 180 C - until top is golden and the cake is nearly firm.
Cool in the refrigerator for a few hours and serve as it is or with some vanilla ice cream.