Whisk together flour, sugar, baking powder, salt and cinnamon in a medium sized mixing bowl.
In a medium bowl, combine eggs, milk, vanilla and slightly cooled butter. Stir in mashed bananas.
Pour wet mixture into center of dry mixture. Stir just until combined.
Heat lightly greased griddle or pan over medium-high heat, pour ¼ c. batter per pancake and cook until bubbles form and edges start to get dry. Flip and cook on other side until pancake is lightly browned. Repeat with remaining batter.