1 (3 oz.) pkg. cream cheese, softened
1/2 c. sugar
1 tsp. vanilla
1/3 c. milk
1/3 c. cocoa
8 oz. container Cool Whip
Graham cracker pie crust

Combine first 3 ingredients and mix until blended. Add cocoa alternately with milk, beating until smooth. Gradually fold in Cool Whip. Spoon into pie crust and chill. May freeze, if desired.