Brown the beef and onion in a large pot over medium heat. Drain excess fat.

Stir in the beans, tomatoes, broth, chili powder, garlic powder, salt, and pepper.

Add the macaroni. Bring the mixture to a boil.

Reduce heat, cover, and cook for 10–12 minutes. Stir twice.

Remove the lid and mix in the cheddar until melted.