1 cup cognac
4 tablespoons white sugar
4 cups Sauterne wine
1 pound seedless grapes
1 (16 ounce) package frozen strawberries, thawed
1 liter carbonated water
1 (750 milliliter) bottle champagne
Combine cognac, sugar and wine. Place in refrigerator overnight.
In a plastic container or ring mold, combine grapes, strawberries and carbonated water. Place in freezer overnight.
To serve, place frozen fruit mixture in a large punch bowl, pour in wine mixture, and then stir in the champagne.