This recipe was given to me by a friend's aunt. It is great and very easy to prepare!

Cream sugar and butter. Add eggs and vanilla (optional) and beat well. Mix flour, baking powder, baking soda, and salt. Add flour mixture alternately with mashed bananas. Add sour milk. Bake in greased 9 inch loaf pan linked with 1 strip wax paper at 350!F for 60 to 70 minutes.

From the 'REcipeinternet: Recipes from Around the World' recipe list.