Blue Ribbon Banana Bread

Recipe from the Hawaiian cook book

3 eggs
1/2 cup vegetable oil
1/2 cup butter or margarine, melted
1 1/2 cups sugar
2 cups flour (may use one cup whole wheat and 1 cup all-purpose)
2 teaspoons baking soda
1/2 teaspoon salt
pinch cinnamon
2 cups bananas, sliced and firmly packed
1 teaspoon vanilla
2 cups walnuts, chopped

Preheat oven to 350 degrees, Grease and flour two 8 1/2x2 1/2 inch loaf pans. Beat eggs, oil, butter and sugar for 2 minutes. Add dry ingredients and mix well. Add bananas and vanilla and mix until bananas are mashed. Add nuts. Pour into prepared pans and bake for 50-55 minutes or until a toothpick comes out clean. Remove from pans immediately and cool on a wire rack.
 Note: for terrific mango bread, substitute 2 cups drained mangoes for the bananas and add 2 teaspoon cinnamon.