Here's one that will be on your favorite list for awhile. Simple and easy to make, this one will be a continuous requested favorite.
1 chocolate or graham cracker crust
1 box Jell-O Chocolate pudding
1 1/2 cups milk
1 container of Cool Whip
Mini chocolate chips, optional
Place pudding and milk in a bowl. Whip until it is thick. Pour into pie crust. Add a container of Cool Whip on top and sprinkle with cinnamon. Place in refrigerator for an hour.