I believe that in the area of BBQ desserts are sadly neglected. I've tried to redress this several times, usually ending up with some variation on the caramelized fruit theme. Thursday's adventures in fire eating & the chance purchase of some Wray & nephew over proof rum, led me to a BBQ Dessert spectacle.
First slice several slightly under ripe bananas,into 4-5cm slices.
Grate 30g of good dark chocolate into one bowl
Put a similar amount of brown sugar (the treaclier the better) in a second bowl
Arrange Banana, bowls & wood skewers on a serving tray.
In a Fireproof bowl put 50ml of overproof rum & 20 ml of falernum (preferably the alcoholic version).
Serve the bananas, then light the rum.
To eat, skewer a banana chunk, dip into the chocolate or the sugar, then dip into the flaming rum & stir, bring the now flaming banana to the mouth & eat.
You can if you like extinguish the banana before eating or if you are a flaming Sambucca fan, just go for it. The rum mix will probably burn out in 5 or so minutes. At this point mix the remaining liquor, chocolate, sugar & banana in a foil parcel & place amongst the hot BBQ coals for 5 minutes. Enjoy.