Preheat the oven to 375 F
Line a loaf pan with parchment paper and grease it with coconut oil
Add the plantains and bananas to a high speed blender or food processor to thoroughly combine and mash
Scoop out the plantain banana mixture into a mixing bowl and add the remainder of the ingredients
Stir to combine
Pour the dough into a loaf pan and smooth out to where the top if flat
Add optional toppings like sliced banana and cinnamon, etc.
Bake for 40 minutes
Remove from the oven and allow to cool before serving
Serve warm with a spread or simply by itself