Cool slightly. Reduce heat to 325 degrees. In a mixing bowl, whisk by hand the condensed milk, egg yolks, lemon juice and lemon zest until smooth. Evenly distribute into graham cracker pie crust.

Or you can use your favorite crumb pie crust recipe for this no-bake lemon icebox pie. Can I use different juice? Want to make another variation besides lemon ice box pie? You can swap the lemon ...