This tangy, refreshing spritzer is perfect for a summer lunch.
Combine first 4 ingredients in a large pitcher; cover and chill 8 hours or overnight.
Remove fruit with a slotted spoon, and discard. Stir mineral water into cranberry juice. Garnish with lemon slices, if desired.
* 2 (750-milliliter) bottles chilled champagne may be substituted for sparkling mineral water.