In food processor bowl with metal blade, combine cream cheese, pudding mixes, milk, lemon peel and lemon juice; process until smooth.* Gently fold in whipped topping until well blended.
Arrange 1/3 of split ladyfingers in bottom of 13x9-inch (3-quart) glass baking dish. Spoon 1/3 of pudding mixture evenly over ladyfingers. Repeat, forming 2 additional layers. Cover with plastic wrap; refrigerate at least 4 hours or overnight. If desired, serve garnished with thin lemon twists and fresh mint leaves. Store in refrigerator.