Step 1

Add lime juice and condensed milk to a large mixing bowl. Stir until evenly combined and lime juice is fully incorporated into the condensed milk. Stir in lime zest.

Step 2

Pour into pie crust. Level surface with a spatula. Place pie into fridge for several hours or overnight to set. Keep pie in the fridge until ready to serve. If you want to decorate the pie, wait for the filling to set and then decorate. Then put pie back into fridge until ready to serve. You can make the pie 2-3 days in advance.