Peel the ripe bananas and break them into chunks.
Place the banana chunks into a blender.
Add the milk of your choice into the blender.
Include the Greek yogurt for creaminess.
Drizzle in the honey or maple syrup for sweetness.
Add the vanilla extract to enhance the flavor.
If desired, add ice for a colder smoothie.
Blend on high until smooth and creamy.
Check the consistency; add more milk if necessary.
Pour the smoothie into glasses and top with chia seeds.