This blueberry Kir Royale cocktail is a sparkling, fruit-forward drink that transforms simple ingredients into a celebratory cocktail. My new favorite drink to clink to New Year's resolutions.

Reduce the champagne in a saucepan set over medium heat to 1 cup. Pour 1 cup cream in a bowl and sprinkle with the powdered gelatin and leave for 5 minutes. Add the remaining cream to a medium ...