Stir hot water into date filling portion of the mix.
Add crumbly portion of mix, eggs, flour, baking powder, and banana.
Beat vigorously 2 minutes.
Stir in walnuts.
Pour into greased 9 1/2 x 5 x 3 inch loaf pan.
Bake in moderate oven (350°) for 50 to 55 minutes or till done.
Remove from pan; cool.