Amish Friendship without vanilla cinnamon

1 (.25 ounce) package active dry yeast 1/4 cup warm water (110 degrees F/45 degrees C) 3 cups all-purpose flour, divided 3 cups white sugar, divided 3 cups[...]

1/2 cup shortening 4 large ripe bananas 2 cups Amish Friendship Bread Starter (see footnote for recipe link) 3 eggs 1/2 cup milk 1 cup white sugar 1 cup[...]