Bring 1 can of coconut milk, 1 cinnamon stick, 1/2 tsp salt and 1 cup of water to a boil on medium heat.
Wash and dry your green bananas before peeling. Cut off the top and bottom ends of each finger of banana. Make a slit lengthwise in the banana and used your fingers to remove the skin. Ensure to remove any remaining green bits on the banana, otherwise, it will leave a stain taste in your porridge.
Cut your banana into pieces and add to a blender with 1/4 tsp cinnamon, 1/2 tsp nutmeg and 1 can evaporated milk. Blend until smooth.
Add your banana mixture to your pot and whisk briskly to avoid any lumps from forming.
Cover and reduce the heat to medium low and cook for about 15-20 minutes. Stir every 5 minutes to prevent any lumps from forming.
Turn off the heat and add in your vanilla and condensed milk.