Sparkling Gin Punch - cooking recipe

Ingredients

1/2 cup granulated sugar
3/4 cup seltzer water
1 1/2 cups gin
1 1/2 cups fresh grapefruit juice
3/4 cup fresh lemon juice
3/4 cup sweet vermouth
2 1/4 cups chilled sparkling wine
5 thinly sliced grapefruits, wheels

Preparation

In a pitcher, dissolve the sugar in seltzer. Stir in gin, grapefruit and lemon juices and sweet vermouth and refrigerate until cold, or at least one hour.
Transfer mixture to a large punch bowl. Stir in the sparkling wine and garnish with grapefruit wheels. Serve in glasses over ice.