Email to Cat Mother's Day: Tangerine Juice and Prosecco Source of Recipe From "Breakfast: Williams-Sonoma Collection" List of Ingredients 1/4 cup fresh tangerine juice, chilled 3/4 cup Italian Prosecco or other sparkling wine, chilled Instructions Pour the tangerine juice into a champagne flute, top with the sparkling wine, and serve at once. Makes 1 serving.