Cream the Sugar and Shortening together. Add in and the eggs and beat well. Stir in dry ingredients alternately with the Sour Milk (1/2 Cup of milk with either a tsp of lemon juice or white vinegar works well for the sour milk), beginning and ending with the dry ingredients. In a separate bowl, smash the bananas well. Then stir them in to the batter.
Grease and flour Two 8x3 loaf pans. Pour batter evenly into the 2 pans. Bake at 350 degrees for 45 to 55 minutes, checking for done-ness. Toothpick or sharp knife should come out clean. Cool in pan for 5 minutes then turn out of pan to complete cooling.
This is delicious served warm, spread with a little butter or plain.