preheat oven to 350°F. Lightly grease the bottom only of an 8" x 4" loaf pan. Combine pancake mix, flour, walnuts, baking powder, baking soda and sugar into a large bowl. In small bowl whisk together oil, eggs and milk. Stir in bananas, add to dry ingredients. Stir gently just until dry ingredients are moistened. Pour into prepared pan. Bake 45 to 50 minutes, or until toothpick inserted into center, comes out clean. Cool in pan 10 minutes. Remove from pan and cool completely.