If you need cocktail ideas for holiday parties, birthday parties, or other fun gatherings, here's a delicious drink that is good for large groups: sparkling rosé punch! Besides a sparkling wine, you'll need St. Germain elderflower liqueur, club soda, lemon juice, sugar, and egg whites. Watch our video to see how to make a punch that is a total crowd-pleaser. Plus, find out the secret ingredient YumSugar likes to add as a garnish to this party drink recipe. Hint: it's "berry" yummy!