Black Bean Chili

INGREDIENTS:

2 c Black turtle beans
1 Bay leaf
4 ts Cumin seeds
4 ts Dried oregano leaves
4 ts Paprika
1/2 ts Cayenne pepper
1 Chile negro or ancho chile,
-(for chili powder), -=OR=-
2 tb -Chili powder, or more
3 tb Corn or peanut oil
3 md Yellow onions
- diced into 1/4-in squares
4 Garlic cloves
- coarsely chopped
1/2 ts Salt
1 1/2 lb Ripe or canned tomatoes
-peeled, seeded and chopped;
- juice reserved
1 tb Rice wine vinegar (or more)
4 tb Cilantro, chopped