What you need:
- Cranberries or your choice of hard fruit (i.e.: grapes)
- water
- a 4 cup ring mold
Fill 4 cup ring mold with ¾ of an inch of water, freeze.
Arrange fresh cranberries on ice.
Fill with water and freeze until solid, approximately 6 hours.
Briefly dip bottom of mold in warm water to remove ice ring.