This is mine, from Better Homes and Gardens, circa 1990.
1 3/4 cups all-purpose flour (I have used 1 cup all-purpose, 3/4 cup whole wheat)
2/3 cup sugar
2 tsp baking powder
1/2 tsp baking soda
1/4 tsp salt
1 cup mashed ripe banana (2-3 med. bananas)
1/3 cup shortening, margarine or butter (I use oil quite often)
2 tbsp milk
1/4 cup chopped nuts (I often leave these out but if I do put them in, I put in more. I've also used chocolate chips)
In a large mixing bowl, combine 1 cup of the flour, sugar, baking powder, baking soda and salt. Add mashed banana, shortening and milk. Beat with an electric mixer on low speed until blended, then on high speed for 2 minutes. Add eggs and remaining flour, beat until blended. Stir in any additions.
Pour batter into a greased 8X4X2 inch loaf pan. Bake in a 350 degree oven for 55 to 60 minutes or until a toothpick inserted neat the centre comes out clean. Cool for 10 minutes on a wire rack. Remove from the pan and cool thoroughly on a wire rack. Wrap and store overnight before slicing (yeah, like that's going to happen). Makes 1 loaf.