paneer (indian cheese) - skewer chunks with veg and marinate, or make paneer burgers.
mogo (cassava chips) - parboil, bbq then serve with salt and chiili powder
sweet potatoes - chop them, parboil for ten mins, then cover in olive oil, salt and tabasco, then bbq the chips.
stuff mushooms with a mixture of chilli, soft cheese, garlic, etc.
appples - another dessert idea, whizz some walnuts, glace cherries, brown sugar, ginger, almonds, butter and amaretto in a blender, then spoon the mixture into the core of cookign apples, wrap in foil then bbq til soft.
garlic bread, jsut make it, then wrap in foil and bbq.
crispy pot skins - bake potatoes, cut in half, scoop out the middle. Fill the skind with spring onions, cheese, or wahatever you fancy and bbq.
aubergine is nice bbqed too, slice it and then melt cheese over it.