Make the pudding according to package directions. Cover with plastic wrap and allow to chill for at least half an hour.
Fill 8 small jars, halfway up with pudding. Top off with whipped topping.
Slice the bananas on an angle and then sprinkle generously with sugar. Using a kitchen torch, caramelize the sugar. Top the parfaits with a few slices of caramelized bananas and graham crackers. Serve immediately.