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