|Brown sugar||1⁄3 Cup (5.33 tbs), firmly packed|
|Rum||125 Milliliter (warmed)|
Cut grapefruit in half, loosen the flesh from the skin and cut into segments.
Sprinkle brown sugar over the halves and dot with butter.
Place fruit on the grid over hot coals, flesh side up, and cook for 20-25 minutes, until heated through.
Sprinkle warmed rum over the grapefruit, ignite.