Preheat oven to 350°F

In a medium-large bowl mash bananas into lumpy paste, add both eggs, mix

In a separate microwave safe bowl, add butter and Nutella, microwave on high for 30s, stir and pour into banana-egg mixture

Gradually add flour to mixture, stir, gradually add water to mixture, stir

Pour ~1/3-1/2 cups of mixture into each cup of ungreased muffin pan

Drizzle ~1 tbsp of Nesquick onto each muffin, swirl chocolate syrup into mixture using knife or toothpick

Place muffin pan in oven for ~30 mins, when toothpick or fork comes out of center of center muffin(s) clean: they're ready