In a small cast-iron frying pan, toast chiles and whole cumin seeds for approximately 30 seconds. Once you begin to smell the chiles and cumin seeds they are done toasting.
Blend toasted chiles and cumin seeds with beef broth and tomatoes until pureed. Set aside.
Ground Beef
In a medium frying pan brown ground beef and add salt, pepper, Mexican oregano, chili powder, and garlic powder while browning.
Assembly
Place browned ground beef in slow cooker.
Stir chile sauce into ground beef.
Stir drained bean into the ground beef and chile mixture.
Cover with lid and cook on low for 5-6 hours. Taste and add salt, pepper, or additional chili powder as needed. Add ½ teaspoon at a time to avoid over spicing.
Serve warm with favorite toppings.
Notes
If you using a slow cooker that browns then brown the ground beef in the slow cooker and then add chile sauce and beans. Switch setting to low and cook for 5-6 hours.Chili will keep in the refrigerator for up to 3 days. Chili can also be frozen in a freezer-safe container.