1 1/2 c. mashed banana
1/3 c. vegetable oil
2 1/2 c. Bisquick
1/2 c. chopped walnuts
1/2 tsp. vanilla
3 eggs
1 c. sugar
1/2 tsp. cinnamon

Heat oven to 350 degrees. Grease a loaf pan. Combine all of the ingredients in a large bowl or blender. Mix well. Pour into the loaf pan and sprinkle with a small amount of chopped walnuts. Bake 1 hour. Cool for 5 minutes and remove from the pan.