, roti with lime, roti with an egg inside, banana roti, and plain ones.eporter: they taste best with ice-chilled coffee or tea. the most popular roti are fried until they're crispy before being doused in condensed milk, a bit of extra sugar doesn't hurt. they're not exactly healthy, but >> it's crispy, it's tasty, it's really good because it's so crispy. reporter: what better way to round off a day? a pleasure for big and small. host: when walt disney bases a movie on a true story, it's guaranteed to be a rather extraordinary tale. like that of the first jamaican bobsled team, which qualified for the winter olympics in calgary. or the moving portrayal of a girl from a ugandan slum, where daily life is all about survival. reporter: dreams don't often come true in a place like this. here in the heart of katwe -- a sprawling slum in the ugandan capital kampala -- the som chess academy teaches children how to play the game. some are so poor, they don't go to school because their parents can't afford exercise books or pencils. phiona was one of them. [film cli