Put half of the package of Oreos in the food processor and pulse to make fine crumbs. Add the other half of the Oreos and pulse again. OR place cookies in gallon sized zipper plastic bag and crush with rolling pin.
In large bowl, mix Oreo crumbs and softened cream cheese together thoroughly. Chill for about an hour.
Scoop out about a tablespoon of the Oreo / cream cheese mixture and quickly form it into a ball approximately one inch or slightly smaller.
Place each ball on a baking sheet lined with wax paper. Place in the freezer for about an hour. Leave half in the refrigerator when you are ready to dip in chocolate.
Melt the chocolate according to directions on the package. Dip each frozen ball into the chocolate, Let excess chocolate drain slightly and place dipped truffle again on the wax paper lined baking sheet. Allow to harden at room temperature.