Saute first five ingredients in oil until limp. Add tofu and saute until browned. Mix the spices together in a bowl and sprinkle into the pot. Mix thoroughly. Add water, tomatoes and tomato paste. Stir. Bring to a boil. Reduce heat and simmer for 2 hours, stirring occasionally. If desired, at this point, add the kidney beans. Taste and correct seasoning. The addition of 1 tsp to 1 tblsp of cayenne pepper can make this gradually more spicy. As the recipe reads, itUs fairly tame. Note: The ground chilis are Not chili powder. Most chili powder is made up of a combination of chilis, oregano, cumin, salt and garlic. If chili powder is all you can find, then you will have to readjust the cumin and oregano amounts.