Add the olive oil to a large pot over medium high heat and cook the ground beef until it is browned and cooked through out. Set aside.
Next, add the onions, peppers and garlic to the pot and cook until browned over medium heat, about 10 minutes.
Add the cooked ground beef back into the pot with the browned vegetables along with the tomatoes, beans, chickpeas, chili powder, cumin and oregano and simmer over low heat for 1 hour. Adjust the thickness of the chili with tomato paste.
Finish by seasoning with salt and serve with optional garnishes: shredded cheddar cheese, sour cream, sliced green onions, sliced jalapeños, diced tomatoes.
