Puree the grapes in a food processor. Add the sugar, lemon juice and water. Run the machine again to mix well.
Leave the mixture to sit at room temperature for 30 minutes, then strain it. I used a mesh strainer and pushed as much of the pulp through as I could with the back of a spoon. I was left with 2 cups.
Add the cognac and put the mixture in the refrigerator until chilled.
Process the mixture in your ice cream machine according to directions. Eat right away or freeze for a firmer texture.
Nutritional information is provided as a courtesy and is an estimate only. This information comes from online calculators. Although The View from Great Island attempts to provide accurate nutritional information, these figures are only estimates.
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