Step #1 Heat oil in heavy large saucepan over med-heat/flame.
Step #2 Add onion & cook until soft, about 8 mins.
Step #3 Add chili powder & mustard & stir 1 min.
Step #4 Add water, beans, tomatoes with their juices & molasses.
Step #5 Simmer soup 15 mins, stirring every once in awhile & breaking up large chunks of tomatoes with back of spoon.
Step #6 Spice up this with salt & pepper.
Step #7 Makes 2 generous servings; can be doubled If you prefer a thicker soup, remove one c of the beans, mash them to a paste, then stir them back into the soup.
Step #8 Coleslaw & corn bread squares round out the menu; a simple baked apple could be the perfect finale.