Blend until smooth. Add the syrup, plum wine, and lemon juice and continue processing. Pour the mixture into a 13x9x2-inch nonaluminum or glass baking pan. Freeze for about 1 1/2 hours.

Grapes from the first two vintages were sold, but in 2003 the decision was taken to make wine under the Plum Hill Vineyard label. The ’06 wines will be on release for some time; the ’07 ...