Jason Hill of Chef Tips shows you how to make a moist banana bread recipe that is sure to please your entire family! This easy banana bread recipe makes a very moist banana bread.  You can turn it into a banana nut bread recipe by simply adding about a cup of gourmet black walnuts, which make the tastiest addition over traditional walnuts. This recipe came from a bed and breakfast in the California mountains, and the secret to its moistness comes from sour cream! It’s an old fashioned banana bread that you can easily picture coming from your grandma's kitchen. Your friends will beg you for this recipe for banana bread. Enjoy!