In a large pot over medium-high heat, cook the ground beef and onion until the beef is no longer pink. Drain off any excess fat.
Add the bell pepper, garlic, stewed tomatoes, kidney beans, chili beans, green chilies, chili seasoning mix, cumin, garlic powder, onion powder, and black pepper. Stir to combine.
Bring the mixture to a boil, reduce the heat to low, and simmer for 30 minutes, stirring occasionally.
Serve with shredded cheese, diced onions, and jalapenos, if desired.
Interesting Facts
Chili is a dish of Mexican origin, but it has become a staple of American cuisine.
Chili is a great way to use up leftover ground beef.
Chili is often served with crackers, tortilla chips, cornbread, or corn chips.