In a Dutch oven or large deep sided pot add oil and sauté onion for 2 minutes, add garlic and sauté 2 more minutes.
Add ground beef and simmer over medium heat, break up any large pieces of meat (if there is a lot of grease from the meat drain it before going further).
Add tomato sauce, chili seasoning, salt and red pepper flakes, continue simmering 20 minutes.
Add chili beans, stir and simmer 10 more minutes.
Serve warm with all your favorite toppings.
Notes
Storage: Store leftovers in an airtight container, in the refrigerator, for up to 5 days. This recipe can be frozen for up to 3 months.