Bring 475 ml of water to the boil in a wok over medium heat, add the sugar, reduce the heat and simmer for 5 minutes. Add the strips of pandan leaf, bring back to the boil and remove the pan from the heat.
Pour the syrup through a fine sieve into a pan and discard the pandan leaf. Put the bananas in the pan, put them on medium-low heat and let them simmer for 12-15 mm on each side until they shine and have absorbed all the syrup. Sprinkle the lime juice over it and put the pan off the heat. plate and set them aside.
Mix the coconut milk, flour and salt in a small pan and let it simmer for 2-3 minutes over medium / low heat. Remove the pan from the heat, sprinkle the cream sauce over the caramelized bananas and put them on the table.