In a large bowl, combine flour, sugar, baking powder, nutmeg, baking soda, and salt.

Add mashed bananas, butter, milk or buttermilk, and eggs. Using a mixer, beat well. Stir in nuts, if using.

Pour into greased loaf pan.

Bake at 350-degrees for about 50 minutes, or until toothpick inserted in center comes out clean. (Cover the top for the last 15 minutes of baking.)