PREHEAT oven to 350°F. Beat cream cheese, butter and sugar and butter in large bowl with electric mixer on medium speed until well blended. Add bananas and eggs; mix well. Add combined dry ingredients; mix just until moistened. Stir in walnuts.
POUR into greased and floured 9x5-inch loaf pan.
BAKE 1 hour 10 min. or until wooden toothpick inserted in center comes out clean. Cool 5 min.; remove from pan to wire rack. Cool completely before slicing to serve. Store any leftover bread in refrigerator.