Preheat oven to 350 degrees.
Lightly grease a 9"X5" loaf pan.
In a large bowl combine flour, baking soda, salt, pumpkin pie spice and vanilla.
Blend together butter, brown sugar, eggs and bananas (mash bananas before adding).
Combine dry ingredients with wet ingrediants. Pour mixture into greased loaf pan.
Bake in preheated oven for 60 to 65 minutes or until toothpick inserted into the center of loaf comes out clean.
Let bread cool in pan for about 10 minutes before removing.