Line a 12-muffin pan with liners or lightly grease them and preheat the oven to 190°C.
In a large bowl, whisk together all the flours, salt, soda bicarb, baking powder and ground cinnamon.
In another bowl whisk the olive oil with the yoghurt and brown sugar. Beat in the eggs one at a time, followed by the mashed bananas.
Now fold the dry mixture into the wet mixture with a light hand until there are no lumps. Take care not to overmix.
Fold in the chocolate chips, fill the prepared muffin tin with the batter till ¾ full and bake for 20-25.the muffins should be tall and domed with no wet batter sticking to the tester toothpick.