Mix sweet potatoes, sugar, cinnamon, salt, ginger and nutmeg in large bowl until well blended.
Add eggs, milk and butter; mix well. Stir in 1/2 cup of the coconut.
Pour into pastry shell.
Bake 35 minutes or until knife inserted in center comes out clean. Cool. Top with the whipped topping and remaining 1/2 cup coconut just before serving.