2 (1.5 oz.) env. Dream Whip
1 1/2 c. milk
2 (4 1/8 oz.) pkgs. chocolate instant pudding
1/4 c. Amaretto
1 (9-inch) pastry shell, baked
1 (8 oz.) container Cool Whip, thawed
Chocolate shavings

Prepare topping mix according to package directions. Add milk, pudding mix, and Amaretto; beat 2 minutes at high speed of electric mixer. Spoon mixture into pastry shell. Top with whipped topping and chocolate shavings, if desired. Chill at least 4 hours.