Step 1

In a medium bowl whisk together the milk, sweetened condensed milk, and lemon zest. Cover and chill in the refrigerator for at least 1 hour.

Step 2

Stir the lemon juice into the milk mixture. If the mixture curdles, then whisk it vigorously to make it smooth again.

Step 3

Pour the mixture into your ice cream machine and freeze according to the manufacturer’s instructions.

Step 4

Serve immediately or transfer the sherbet to an airtight container and freeze until ready to serve.