Ruby Champagne Cocktail

Directions

1. 1
   Using vegetable peeler, remove peel from 1 grapefruit; place in bowl.
2. 2
   Cut both grapefruits in half; squeeze enough juice to measure 3/4 cup.
3. 3
   Mix juice and sugar in bowl with peel.
4. 4
   Let stand 5 minutes.
5. 5
   Strain into small bowl, pressing on solids.
6. 6
   Pour 2 tablespoons syrup into each of four 6-ounce flutes.
7. 7
   Fill each with 2/3 cup Champagne.