1HEAT oven to 350ºF.
BEAT butter and sugar in large bowl with mixer until well blended. Add eggs and sour cream; mix well. Add bananas and combined dry ingredients; mix just until moistened. Stir in nuts.
2POUR into greased and floured 9x5-inch loaf pan.
BAKE 1 hour or until toothpick inserted in center comes out clean. Cool 5 min.; remove from pan to wire rack. Cool completely before slicing. Refrigerate leftovers.
3These can be frozen for up to 6 months.Just wrap in parchent( freezer paper) and then foil and place into a ziplock freezer bag!