In large bowl, beat together oil, brown sugar, eggs, pumpkin, cinnamon, nutmeg and sherry. In separate bowl, combine flours, baking powder, salt and nuts. Add to wet ingredients and mix well.
Pour into 2 greased 9-inch loaf pans and bake in preheated 350°F oven for 30 minutes, or until top springs back when pressed with fingers. Cool 10 minutes, then remove from pans. Yield: Two 9-inch loaves.