1 (8 ounce) package cream cheese, softened
2 (3 ounce) packages instant cream cheese granulated sugar
1 large egg
1 cup milk
1 cup butter, softened
1 (9 inch) prepared Oreo cookie
1 1/2 teaspoons vanilla extract
Preheat oven to 350 degrees F (175 degrees C).
In a large bowl, mix the cream cheese, powdered sugar, egg, milk, butter, egg and vanilla until well blended. Fold in chocolate chips and chocolate filling. Pour mixture into pie crust.
Bake in preheated oven for 60 minutes. Cool completely before cutting into squares.