1. Place unopened can of fruit in freezer until solid (approx. 24 hours; can may bulge slightly).
2. Submerge frozen can in very hot tap water about 1 minute. Pour any thawed syrup into food processor bowl. Remove frozen fruit from can; carefully cut into 8 chunks.
3. Place frozen fruit chunks into food processor; add amaretto and ginger. Process until smooth, scraping blade as needed.
4. Serve immediately or spoon into freezer container and freeze until ready to serve.