8ouncecontainer whipped toppingthawed plus more for garnish
Spray 10” cast iron skillet or 9” deep dish pie plate with non-stick cooking spray.
Combine crushed graham crackers, sugar, and melted butter with a fork until crumbs are moistened. Evenly press crumbs into the sides and bottom of the pan creating a thick crust. Freeze while preparing the filling.
Beat cream cheese until smooth. Add condensed milk, lime juice, and lime zest beating until combine. Fold in thawed whipped topping. Spread filling into prepared crust. Cover with plastic wrap and freeze for at least 4 hours.
Right before serving dollop a layer of whipped topping and garnish with sliced key lime rounds.