Celery Tonic

Directions

1. 1
   In a small saucepan, combine sugar and 1/2 cup water over low heat, stirring often, just until sugar is dissolved.
2. 2
   Let cool and refrigerate until ready to serve.
3. 3
   In another small saucepan, heat vodka and celery seeds over low heat.
4. 4
   Ignite vodka with a long match or lighter.
5. 5
   Simmer until flames subside, about 5 minutes.
6. 6
   Strain into a container.
7. 7
   For each serving, add about 1 tablespoon celery infusion and 2 tablespoons sugar syrup to a tall glass with ice.
8. 8
   Fill with seltzer, stir and garnish with a lemon slice.