Preheat oven to 350 degrees F (175 degrees C). Watch Now
In a medium bowl, combine condensed milk, sour cream, lime juice, and lime rind. Mix well and pour into graham cracker crust. Watch Now
Bake in preheated oven for 5 to 8 minutes, until tiny pinhole bubbles burst on the surface of pie. DO NOT BROWN! Chill pie thoroughly before serving. Garnish with lime slices and whipped cream if desired. Watch Now