|In 1st bowl mix: Shortening, sugar, eggs, and vanilla.|
In 2nd bowl mix: baking powder, baking soda, sifted flour, and salt.
In 3rd bowl mix: milk or vinegar, and bananas.
Set oven at 350 degree. Grease and flour bread loaf pan. Mix 1/2 2nd bowl with 1st bowl, then half of 3rd bowl. Repeat. Once all mixed put into bread loaf pan. Bake for 60 minutes.