Mix all ingredients, minus Oreos, in bowl or measuring cup, pour into pint container. Fill to SCOOPABLE MAX FILL line.
Freeze for a minimum of 24 hours.
Remove lid from pint container, place into outer container and attach lid. Insert outer container into Ninja Creami Deluxe, turn to lock into place.
Select FULL for a full pint. Process using ICE CREAM setting. Press center button to start.
Create a 1 ½ inch tunnel to the bottom of the container using a spoon. Drop in broken Oreos.
Reattach lid, lock into place. Process using +MIX-IN.
Use RE-SPIN if needed for a creamier texture.