For The Oreo Cheesecake Filling: 

1. Smooth out the cream cheese and add icing sugar to this. Give it a good mix.
2. Now add Oreo crumbs to the cream cheese.
3. Transfer the mixture into a piping bag.
4. Now, place the butter paper on a baking tray and make blobs of cream cheese weighing approximately 10 g each.
5. Freeze the blobs for 15 – 20 minutes in the freezer.

For The Cookie Dough:

1. Cream butter and the sugars together until pale and fluffy.
2. Then sieve all the dry ingredients, flour, salt, and baking soda in a new bowl.
3. Now, add the dry ingredients to the butter mixture and add the egg. Mix well.
4. Lastly, add crushed Oreos and form a dough.
5.  Next, take 80g ball of dough and put cream cheese blob inside the cookie, then roll it to seal the cream cheese filling inside.
6. Place the ball on a lined baking tray and put one oreo biscuit on top of the cookie dough.
7. Repeat the same process with the leftover dough.
8. Now, keep the tray in the freezer for 15 – 20 minutes.
9. Now, bake it in a preheated oven at 180°C for about 12-15 minutes (otg mode: lower rod + upper rod + fan).