Add the biscuits to a food process or and blitz them at high speed until they turn into powder. Prepare 1 cup of the crushed biscuits.
Transfer the blitzed biscuits to a large mixing bowl.
Take a sieve and sift the powdered sugar/jaggery and cocoa powder.
Mix the dry ingredients well.
Next, add the melted butter and mix well.
Add milk and start kneading the mixture into a soft dough.
Make a cylindrical shape and roll it with cling film.
Refrigerate the dough for 3 hours.
After 3hours take it out of the refrigerator and let it come to room temperature.
Cut small blocks of the chocolate dessert. Cut as many as you can.
Next, dip them in chocolate sauce and garnish with sprinkles.
Refrigerate for another 30 minutes and serve.