I also make a stew with the basic chili mixture and add corn, black beans, mushrooms and diced tomatoes. It is also good, especially topped with sharp cheddar and chopped onions. Butt... (points at butt) I don't call it chili. I call it chili stew.
Jalepeno corn bread is the best side and Guinness Stout is my favorite accompanying beverage.
Yes, we use Mexican Oregano, and it is different from that in Italian foods.