Take milk in a pan

Boil it and stick the milk toppings on the sides of the pan with the help of a spatula

Repeat the steps till the milk remains 1/4 in the pan and layers of milk toppings become thick

Now add sugar and boil for 5-10 mins

Now switch off the flame and scrape the milk toppings

Cover the rabdi for ten minutes

Now take the rabdi in another pan and blend it little

Wait till it gets cool go room temperature

Now grate Apple and add it to the rabdi, stir well and refrigerate it for atleast 3-4 hours

Have it after cooling