In a large bowl, mix the oat flakes with all the other ingredients up to and including the salt.
Puree the bananas with the oil and honey, add to the oat flakes, mix well. Spread the mixture on a baking tray lined with baking paper.
Approx. 40 mins. in an oven preheated to 160 °C (convection). Separate the granola with a fork from time to time so that it toasts evenly. Remove the granola from the oven and leave to cool. Transfer the granola to an airtight container