Grilled-Lime Caipirinhas

Directions

1. 1
   Light a grill or preheat a grill pan.
2. 2
   Trim the ends off the lime and slice the lime crosswise 1/4 inch thick.
3. 3
   Dust both sides of the lime wheels with sugar and grill over high heat, turning once, until lightly caramelized, about 20 seconds per side.
4. 4
   In a rocks glass, muddle the lime wheels with the 2 tablespoons of sugar.
5. 5
   Fill the glass with ice, add the cachaca and soda, if using, and stir well.