Ingredients
- watermelon, blueberries, and raspberries (optional)
- 1-2 tablespoons granulated sugar (optional)
- 2-3 sprigs fresh rosemary
- 3/4 cup fresh lime juice
- 1 1/2 cups tequila or jalapeño tequila
- 1 1/2 cups grapefruit juice
- 1 (750ml) bottle champagne, chilled