Sour cream gives enough tangy bite to take the edge off this banana bread ‘s sweetness. Dusting the baking pans with cinnamon sugar gives these small four loaves a gentle spice undertone. November 20, 2021 Emily Morgan Sour cream gives enough tangy bite to take the edge off this banana bread ‘s sweetness. Dusting the baking pans with cinnamon sugar gives these small four loaves a gentle spice undertone.