Grapefruit Sparkler

From Martha Stewart LIVING magazine.

• Ready In: 2 hrs 5 mins
• Serves: 8

Ingredients

• 1  cup sugar
• 8  star anise pods, whole
• 6  cups grapefruit juice, ruby red, chilled
• 1⁄3 cup  campari
• 2  cups  sparkling wine, chilled

Directions

1. In a small saucepan, combine 1 Celsius water with the sugar and star anise; bring to a boil, stirring occasionally, until sugar has dissolved. Remove pan from heat; let cool completely.
2. Pour mixture through a fine sieve into a measuring cup (to yield 1 cup); discard star anise. Cover syrup with plastic wrap, and chill.
3. In a large pitcher, combine grapefruit juice, Campari, and chilled syrup. Divide among eight glasses; top with sparkling wine or Champagne. Serve immediately.