Combine together the non dairy milk and apple cider vinegar; set aside.

Preaheat the oven at 350F. 

Grease a loaf pan with non stick cooking spray.

In a large combine together the flour, baking soda, salt and spice.

In another bowl, cream together the margarine and sugars. Then add the bananas, vanilla and milk-vinegar mixture.

Add the wet ingredients to the flour mixture until just combined. 

Pour the batter in the prepared loaf pan and bake for about 60-70 minutes or until a toothpick inserted in the center of the bread comes out clean. 

Remove the pan from the oven and place it on a cooling rack for about 15 minutes. Then transfer the bread from the pan to the rack and let it cool completely before slicing.

Serve and enjoy!