Around the ground beef in a pan on the stove. Once the meat is fully browned, drain the meat and add it to a stockpot or a crock pot. Reserve two Tablespoons of fat in the pan on the stove.

Brown the onion in the fat on the stove for five minutes. Add the garlic and cook for 1 more minute. Add the onion and garlic to the meat.

Into the meat/onion mixture, stir in the diced tomatoes, tomato sauce, black beans, chili powder, and bay leaf. If using a crock pot, set the slow cooker on low heat and cook for 8 hours. If using a stockpot, bring the chili to a low simmer. Cover and cook on very low heat for 2 hours.