Created by JostLori on October 15, 2014
Step 1: Place all ingredients in a blender and process until smooth.
Step 2: Press the mixture through a fine sieve, discarding the seeds.
Step 3: Pour into a 13 x 9 inch metal cake pan and freeze until solid, about 2 hours.
Step 4: Break up and puree the mixture. Re-freeze in an airtight container until firm, about 1 hour more.