A delicious and moist banana cake with a light texture.
- Preheat oven to 375°.
- Combine flours, baking powder, and baking soda.
- In a large bowl, beat butter and sugar until fluffy. Beat in eggs one at a time.
- Blend in bananas. Add flour mixture and buttermilk.
- Fold in walnuts and pour into an oiled and floured 11 x 13 baking pan.
- Bake 30 minutes or until golden.