Preheat oven to 350 degrees F. and spray a 12 count muffin tin generously with cooking spray.
Cream butter and sugar until well combined. Stir in bananas, eggs and vanilla mixing to combine. Mix in cookie butter until well combined. Stir in flour, baking, 1 teaspoon cinnamon, soda, and salt. Stir until combined then fill muffin tins 3/4 full with batter. Place churro topping, sugar and cinnamon into a small bowl, stir to combine then sprinkle over top of each cup.
Bake for 25-28 minutes or until baked through. Let cool completely and serve room temperature.