Postre de Limon (Mexican Lime Dessert)

Combine condensed milk evaporated milk and lime juice in a bowl; beat with an electric mixer until well blended.

Arrange a layer of Maria cookies in the bottom of a small baking dish. Cover with a layer of milk mixture. Repeat layers of cookies and milk mixture ending with milk mixture. Cover baking dish with plastic wrap. Refrigerate until firm 5 hours to overnight.

Cut into squares. Garnish with lime zest.