▢ 1/3 cup butter, room temperature
▢ 2/3 cup sugar
▢ 2 eggs
▢ 1 cup mashed ripe bananas (about 2 medium)
▢ 3/4 tsp baking soda
▢ 1 1/2 tsp cream of tartar
▢ 1 3/4 cup flour
▢ 1/2 tsp salt
▢ 1/4 tsp cinnamon
▢ 1 cup cinnamon chips
▢ 3 TBSP cinnamon sugar for topping