Pound of pecans

• vanilla extract • sour cream • butter or margarine • chopped nuts • unsifted all-purpose flour • sq • firmly packed light brown sugar • medium bananas, sliced • 1 stick butter or margarine, softened • can Eagle Brand sweetened condensed milk not evaporated milk • plus 2 Tbsp • can sliced pineapple, drained and cut in half • maraschino cherries and additional nuts