- 2 large stalks celery, coarsely chopped
- 1 teaspoon celery seeds
- 1/4 teaspoon coriander seeds
- 1 cup seedless green grapes
- 1 cup still water
- 4 cups sparkling water
- Puree the chopped celery, celery seeds, coriander seeds, and grapes in a blender with the still water. Strain through a fine-mesh sieve into a large pitcher.
- Add the sparkling water, stir gently, and serve.