Preheat the oven to350 °F. Line a muffin pan with papers.
In a bowl, mix together lentil flour, almond flour, baking soda, baking powder, cinnamon, and salt.
In a second bowl, mix oil, egg, maple syrup, and bananas.
Add dry ingredients to wet ingredients and fold together, mixing till incorporated.
Transfer batter to muffin pan. Bake 20 to 25 minutes until toothpick comes out clean.
Cool before serving.