Add one banana to a bowl and roughly smash.
Add egg and vanilla to bowl and whisk together.
Add milk and buttermilk, whisk until incorporated.
In a separate bowl, mix together dry ingredients (flour, baking powder, salt, sugar, cinnamon).
Add dry ingredients to the wet. Whisk until smooth.
Mix in chocolate chips.
Heat a skillet over low-medium heat amd grease with butter.
Pour ⅛th of batter at a time onto skillet into pancake size rounds.
Place banana slices onto the uncooked pancake batter side.
Cook each side until slightly browned and pancake is cooked through (approximately 3-4 minutes per side).
Plate and enjoy
Makes about 8 pancakes depending on size.
