Chop onions
Chop bell pepper
Heat oil in skillet on medium heat
Add onions, bell pepper, and minced garlic to preheated skillet
Sauté until lightly onion is soft
Add ground beef to skillet
Cook until beef is browned
Add chili beans, tomatoes, tomato paste, chili powder, and garlic powder to skillet
Bring to a boil
Reduce heat to low
Simmer, uncovered, for 40 minutes
Serve