Sauté the chopped onion in 2 tbsps. of oil over medium-high heat until translucent. Remove the onions and set aside.
In the same pan, brown and crumble the ground beef. Drain the beef and set aside.
In a medium pot, add the onions, beef, kidney beans, tomato sauce, stewed tomatoes, and the spices.
Stir and bring to a simmer over medium heat. Reduce heat to low, cover the chili, and simmer for about 10-15 minutes.
Serve with shredded cheddar.