1 10-ounce package frozen sweetened raspberries in syrup, thawed
1 10-ounce package frozen sweetened strawberries in syrup, thawed
1/4 cup fresh lemon juice
3 cups black cherry juice
2 cups currant-flavored vodka or plain vodka
2 cups sparkling water
3 cups ice cubes
Optional garnish: Fresh mint sprigs
Directions
Combine thawed raspberries with syrup, strawberries with syrup, and lemon juice in processor. Purée until smooth. Strain liquid into pitcher; discard solids in strainer. Add cherry juice and vodka. Stir well. (Can be made 6 hours ahead. Chill.)
Stir sparkling water and ice cubes into pitcher. Pour cooler into cocktail glasses. Garnish with mint, if desired.